4,591 results on '"Molina, A."'
Search Results
2. Infection of 'Leishmania donovani' in 'Phlebotomus orientalis' sand flies at different microhabitats of a kala-azar endemic village in Eastern Sudan
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Khogali, Altayeb, Elnaiem, Dia-Eldin A, Diaz-Reganon, Ramon, Jibreel, Tayseer, Nour, Bakri Y M, Abdelrahman, Samira Hamid, Jimenez, Maribel, and Molina, Ricardo
- Published
- 2024
3. Genomic and phylogenetic characterisation of SARS-CoV-2 genomes isolated in patients from Lambayeque Region, Peru
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Aguilar-Martinez, Sergio Luis, Sandoval-Pena, Gustavo Adolfo, Molina-Mora, Jose Arturo, Tsukayama-Cisneros, Pablo, Diaz-Velez, Cristian, Aguilar-Gamboa, Franklin Romulo, Bonilla-Aldana, D Katterine, and RodrIguez-Morales, Alfonso J
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- 2024
4. Chagas disease in Europe
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Gonzalez-Sanz, Marta, Crespillo-Andujar, Clara, Chamorro-Tojeiro, Sandra, Monge-Maillo, Begona, Perez-Molina, Jose A, and Norman, Francesca F
- Published
- 2023
5. Relationship between Duffy genotype/phenotype and prevalence of 'Plasmodium vivax' infection: A systematic review
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Picon-Jaimes, Yelson Alejandro, Lozada-Martinez, Ivan David, Orozco-Chinome, Javier Esteban, Molina-Franky, Jessica, Acevedo-Lopez, Domenica, Acevedo-Lopez, Nicole, Bolano-Romero, Maria Paz, Visconti-Lopez, Fabriccio J, Bonilla-Aldana, D Katterine, and RodrIguez-Morales, Alfonso J
- Published
- 2023
6. Adherence and toxicity during the treatment of latent tuberculous infection in a referral center in Spain
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Ortiz, Juan David Puyana, Rodriguez, Andrea Carolina Garces, Aznar, Maria Luisa, Pereiro, Juan Espinosa, Sanchez-Montalva, Adrian, Martinez-Camprecios, Joan, Saborit, Nuria, Rodrigo-Pendas, Jose Angel, Salgado, Guadalupe Garcia, Cortes, Claudia Broto, Delcor, Nuria Serre, Oliveira, Ines, Maruri, Begona Trevino, Ciruelo, Diana Pou, Salvador, Fernando, Bosch-Nicolau, Pau, Torrecilla-Martinez, Irene, Zules-Ona, Ricardo, Fernandez, Maria Teresa Tortola, and Molina, Israel
- Published
- 2023
7. Evaluation of omnigene-sputum for preservation of sputum samples for diagnosis of 'Mycobacterium tuberculosis'
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Mambuque, Edson, Saavedra, Belen, Molina-Moya, Barbara, Nguenha, Dinis, Garcia-Garcia, Esther, Blanco, Silvia, Gomes, Neide, Ehrlich, Joanna, Bulo, Helder, Munguambe, Shilzia, Chiconela, Helio, Acacio, Sozinho, Dominguez, Jose, and Garcia-Basteiro, Alberto L
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- 2023
8. Civil Engineering and Malaria Risk: A descriptive study in a rural area of Cubal, Angola
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Olivas, Eva Gil, Bruguera, Andreu, Eugenio, Arlete Nindia E, Nunda, Joao Jose, Tchiyanga, Armindo, Ekavo, Fernando Graca, Cambali, Adriano, Moreno, Milagros, Bocanegra, Garcia Cristina, Aznar, Maria Luisa, Salvador, Fernando, Sanchez-Montalva, Adrian, and Molina, Israel
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- 2023
9. Evaluation of two different strategies for schistosomiasis screening in high-risk groups in a non-endemic setting
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Roade, Luisa, Sulleiro, Elena, Bocanegra, Cristina, Salvador, Fernando, Trevino, Begona, Zarzuela, Francesc, Goterris, Lidia, Serre-Delcor, Nuria, Oliveira-Souto, Ines, Aznar, Maria Luisa, Pou, Diana, Sanchez-Montalva, Adrian, Bosch-Nicolau, Pau, Espinosa-Pereiro, Juan, and Molina, Israel
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- 2023
10. Monkeypox and HIV in the canary islands: A different pattern in a mobile population
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Betancort-Plata, Christian, Lopez-Delgado, Laura, Jaen-Sanchez, Nieves, Tosco-Nunez, Tomas, Suarez-Hormiga, Laura, Lavilla-Salgado, Carmen, Pisos-Alamo, Elena, Hernandez-Betancor, Araceli, Hernandez-Cabrera, Michele, Carranza-Rodriguez, Cristina, Briega-Molina, Marta, and Perez-Arellano, Jose-Luis
- Published
- 2022
11. Efficacy of Fosfomycin against planktonic and biofilm-associated MDR Uropathogenic 'Escherichia Coli' clinical isolates
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Dzib-Baak, Haziel Eleazar, Uc-Cachon, Andres Humberto, Dzul-Beh, Angel de Jesus, Rosado-Manzano, Rey Fernando, Gracida-Osorno, Carlos, and Molina-Salinas, Gloria Maria
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- 2022
12. Fatal case of rabies in a captive white-tailed deer: A case report from Chiapas, Mexico
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Franco-Molina, Moises Armides, Santana-Krimskaya, Silvia Elena, Cortes-Garcia, Baltazar, Sanchez-Aldana-Perez, Jorge Alejandro, Garcia-Jimenez, Oscar, and Kawas, Jorge
- Published
- 2021
13. The Frequency of Risk Factors for Cleft Lip and Palate in Mexico: A Systematic Review.
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López-Verdín, Sandra, Solorzano-López, Judith A., Bologna-Molina, Ronell, Molina-Frechero, Nelly, Tremillo-Maldonado, Omar, Toral-Rizo, Victor H., and González-González, Rogelio
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CLEFT lip ,CLEFT palate ,HUMAN abnormalities ,MEXICANS ,POISONS ,TOXIC substance exposure - Abstract
Background: Cleft lip and palate is an anomaly that affects both women and men. It is considered to be among the most frequent congenital abnormalities and is related to modifications in chromosomal DNA and multiple genetic alterations. This anomaly can also be associated with various environmental factors, such as tobacco and alcohol consumption, medication use, and exposure to different environmental and industrial toxic substances. The objective of this study was to document the frequency of risk factors related to cleft lip and palate through a systematic review of Mexican studies. Methods: In this systematic review, a bibliographic search was conducted following PRISMA guidelines in the databases Scielo, ScienceDirect, PubMed, and EBSCO. Keywords related to cleft lip and palate, epidemiology, and risk factors were used. In all, 3 independent reviewers (J.A.S.L., S.L.V., and N.M.F.) selected and evaluated a total of 17 articles included in this analysis, achieving a coefficient of κ = 0.84. Results: The analysis revealed that the highest frequency of conducted studies was in the State of Mexico. The most common risk factors identified were environmental, pharmacological, consumption habits, and gynecological factors. Conclusions: Identifying the main risk factors for cleft lip and palate in the Mexican population will enable the implementation of preventive measures aimed at reducing exposure to these factors. Additionally, early intervention can improve the quality of life for individuals affected by this condition. [ABSTRACT FROM AUTHOR]
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- 2024
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14. Genomic Characterization of Bacillus pumilus Sonora, a Strain with Inhibitory Activity against Vibrio parahaemolyticus -AHPND and Probiotic Candidate for Shrimp Aquaculture.
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Soto-Marfileño, Karla A., Molina Garza, Zinnia Judith, Flores, Ricardo Gomez, Molina-Garza, Vida Mariel, Ibarra-Gámez, José C., Gil, Bruno Gómez, and Galaviz-Silva, Lucio
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WHITELEG shrimp ,WHOLE genome sequencing ,BACILLUS pumilus ,ANTIMICROBIAL peptides ,PHOSPHORUS metabolism ,VIBRIO parahaemolyticus - Abstract
Acute hepatopancreatic necrosis disease, caused by Vibrio parahaemolyticus strains carrying the pirA and pirB toxin genes (VpAHPND), has been causing great economic losses in Asia and America in the shrimp farming industry. Numerous strains are resistant to antibiotics. However, supplementation with probiotic antagonists has become a more desirable treatment alternative. Fourteen strains of microorganisms were assessed for their potential to inhibit VpAHPND in vitro activity. The bacteria with the highest activity were challenged with VpAHPND-infected Pacific white shrimp Litopenaeus vannamei. Furthermore, the genomic characteristics of probiotic bacteria were explored by whole-genome sequencing. We identified the Sonora strain as Bacillus pumilus, which possesses positive proteolytic and cellulolytic activities that may improve shrimp nutrient uptake and digestion. Challenge trials showed a low cumulative mortality (11.1%). B. pumilus Son has a genome of 3,512,470 bp and 3734 coding sequences contained in 327 subsystems. Some of these genes are related to the biosynthesis of antimicrobial peptides (surfactins, fengycin, schizokinen, bacilibactin, and bacilysin), nitrogen and phosphorus metabolism, and stress response. Our in vitro and in vivo findings suggest that B. pumilus Sonora has potential as a functional probiotic. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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15. Urban Mobility Pattern Detection: Development of a Classification Algorithm Based on Machine Learning and GPS.
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Molina-Campoverde, Juan José, Rivera-Campoverde, Néstor, Molina Campoverde, Paúl Andrés, and Bermeo Naula, Andrea Karina
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CLASSIFICATION algorithms , *URBAN planning , *CHOICE of transportation , *CYCLING , *ACCELERATION (Mechanics) , *TRAFFIC monitoring - Abstract
This study introduces an innovative algorithm for classifying transportation modes. It categorizes modes such as walking, biking, tram, bus, taxi, and private vehicles based on data collected through sensors embedded in smartphones. The data include date, time, latitude, longitude, altitude, and speed, gathered using a mobile application specifically designed for this project. These data were collected through the smartphone's GPS to enhance the accuracy of the analysis. The stopping times of each transport mode, as well as the distance traveled and average speed, are analyzed to identify patterns and distinctive features. Conducted in Cuenca, Ecuador, the study aims to develop and validate an algorithm to enhance urban planning. It extracts significant features from mobility patterns, including speed, acceleration, and over-acceleration, and applies longitudinal dynamics to train the classification model. The classification algorithm relies on a decision tree model, achieving a high accuracy of 94.6% in validation and 94.9% in testing, demonstrating the effectiveness of the proposed approach. Additionally, the precision metric of 0.8938 signifies the model's ability to make correct positive predictions, with nearly 90% of positive instances correctly identified. Furthermore, the recall metric at 0.83084 highlights the model's capability to identify real positive instances within the dataset, capturing over 80% of positive instances. The calculated F1-score of 0.86117 indicates a harmonious balance between precision and recall, showcasing the models robust and well-rounded performance in classifying transport modes effectively. The study discusses the potential applications of this method in urban planning, transport management, public transport route optimization, and urban traffic monitoring. This research represents a preliminary stage in generating an origin–destination (OD) matrix to better understand how people move within the city. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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16. Exploring Phenolic Compounds in Crop By-Products for Cosmetic Efficacy.
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Gomez-Molina, Maria, Albaladejo-Marico, Lorena, Yepes-Molina, Lucia, Nicolas-Espinosa, Juan, Navarro-León, Eloy, Garcia-Ibañez, Paula, and Carvajal, Micaela
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PHENOLS , *SKIN aging , *PLANT polyphenols , *METABOLITES , *SKIN diseases , *POLYPHENOLS - Abstract
Phenolic compounds represent a group of secondary metabolites that serve essential functions in plants. Beyond their positive impact on plants, these phenolic metabolites, often referred to as polyphenols, possess a range of biological properties that can promote skin health. Scientific research indicates that topically using phenolics derived from plants can be advantageous, but their activity and stability highly depend on storage of the source material and the extraction method. These compounds have the ability to relieve symptoms and hinder the progression of different skin diseases. Because they come from natural sources and have minimal toxicity, phenolic compounds show potential in addressing the causes and effects of skin aging, skin diseases, and various types of skin damage, such as wounds and burns. Hence, this review provides extensive information on the particular crops from which by-product phenolic compounds can be sourced, also emphasizing the need to conduct research according to proper plant material storage practices and the choice of the best extracting method, along with an examination of their specific functions and the mechanisms by which they act to protect skin. [ABSTRACT FROM AUTHOR]
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- 2024
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17. Analysis of Protection and Immune Response against Teladorsagia circumcincta in Goats Immunised with Thiol-Binding Proteins from Adult Worms.
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Ortega, Leire, Quesada, Jessica, Ruiz, Antonio, Conde-Felipe, Magnolia María, Ferrer, Otilia, Muñoz, María del Carmen, Molina, José Adrián, Rodríguez, Francisco, and Molina, José Manuel
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FECAL egg count ,IMMUNE response ,PARASITE antigens ,WORMS ,GOATS - Abstract
In view of the increasing occurrence of anthelmintic-resistant strains of gastrointestinal nematodes in ruminants, various alternative control strategies have been investigated, such as those based on the induction of protective immune responses by immunisation with parasite antigens. In this study, the protective activity of somatic antigens from adult worms of Teladorsagia circumcincta purified by affinity chromatography on thiol-sepharose was analysed in goats. After challenge, the enriched products induced a slight reduction in the cumulative faecal egg counts (21%) and in the number of worms (23.3%), with a greater effect on female worms, which also showed a reduction in parameters related to their fertility. These parasitological findings were associated with a Th2 immune response, with a prominent local humoral response and an eosinophilic infiltrate in the gastric mucosa (negatively associated with the fertility of female worms and the number of worms, respectively), as well as an infiltration of MCHII+, CD4+, IgG+ and IgA+ cells. However, several analyses showed an increase in CD8+ cells in the mucosa, as well as IL-2 expression in the gastric lymph nodes, which may have been associated with inhibition of protective responses or with the development of mixed Th1/Th2 responses, a finding that should be analysed in future studies. [ABSTRACT FROM AUTHOR]
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- 2024
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18. Fold-Fold Singularity in a Piecewise Smooth Mathematical Model Describing the Dynamics of a Stockless Market.
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Molina-Díaz, Oscar Emilio, Olivar-Tost, Gerard, and Sotelo-Castelblanco, Deissy Milena
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MATHEMATICAL singularities , *ORDINARY differential equations , *STRUCTURAL stability , *DYNAMICAL systems , *SMOOTHNESS of functions - Abstract
Fold-fold singularities are critical points or singularities in piecewise smooth dynamical systems (PWS) where both the stability and the structure of the system change. These singularities are of great importance in the study of specific dynamics, such as those in markets, as they indicate significant transformations in their evolution, including sudden variability in prices or changes in the behavior of offers and demand. Despite the substantial increase in the use of mathematical and computational tools applied to market dynamics, the current literature does not thoroughly address the study of the existence of fold-fold singularities in piecewise smooth systems within this context. Therefore, due to the importance of markets as economic activities, this paper proves the existence of such a singularity in a mathematical model that describes the dynamics of a stockless market, which is represented by a system of ordinary differential equations defined with piecewise smooth functions. [ABSTRACT FROM AUTHOR]
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- 2024
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19. Exploring the Genetic Landscape of Vitiligo in the Pura Raza Español Horse: A Genomic Perspective.
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Laseca, Nora, Molina, Antonio, Perdomo-González, Davinia, Ziadi, Chiraz, Azor, Pedro J., and Valera, Mercedes
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GENOME-wide association studies , *SINGLE nucleotide polymorphisms , *INSPECTION & review , *VITILIGO , *SKIN diseases - Abstract
Simple Summary: Recent advances in equine genomics have opened up new avenues for understanding complex traits such as vitiligo, a chronic, long-lasting autoimmune disorder, which, in horses, causes some areas of the skin to lose their natural colour. To identify genomic regions associated with vitiligo depigmentation and susceptibility in equine populations, we performed a genome-wide association study for this disorder in Pura Raza Español horses. Using the weighted single step genomic best linear unbiased prediction (wssGBLUP) analysis methodology for the first time in an equine species, a total of 10 significant genomic regions were associated with vitiligo in different areas. Some of the significant genomic regions were shared among different vitiligo traits and explained most of the additive variance. The importance of these studies lies in their potential to unravel the underlying genetic architecture of vitiligo in horses, shedding light on the molecular mechanisms involved in the development of this disease in this species. Furthermore, it allows us to initiate selective breeding strategies aimed at reducing the prevalence of vitiligo in horses. Vitiligo is a depigmentation autoimmune disorder characterized by the progressive loss of melanocytes leading to the appearance of patchy depigmentation of the skin. The presence of vitiligo in horses is greater in those with grey coats. The aim of this study was therefore to perform a genome-wide association study (GWAS) to identify genomic regions and putative candidate loci associated with vitiligo depigmentation and susceptibility in the Pura Raza Español population. For this purpose, we performed a wssGBLUP (weighted single step genomic best linear unbiased prediction) using data from a total of 2359 animals genotyped with Affymetrix Axiom™ Equine 670 K and 1346 with Equine GeneSeek Genomic Profiler™ (GGP) Array V5. A total of 60,136 SNPs (single nucleotide polymorphisms) present on the 32 chromosomes from the consensus dataset after quality control were employed for the analysis. Vitiligo-like depigmentation was phenotyped by visual inspection of the different affected areas (eyes, mouth, nostrils) and was classified into nine categories with three degrees of severity (absent, slight, and severe). We identified one significant genomic region for vitiligo around the eyes, eight significant genomic regions for vitiligo around the mouth, and seven significant genomic regions for vitiligo around the nostrils, which explained the highest percentage of variance. These significant genomic regions contained candidate genes related to melanocytes, skin, immune system, tumour suppression, metastasis, and cutaneous carcinoma. These findings enable us to implement selective breeding strategies to decrease the incidence of vitiligo and to elucidate the genetic architecture underlying vitiligo in horses as well as the molecular mechanisms involved in the disease's development. However, further studies are needed to better understand this skin disorder in horses. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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20. Density and Home Range of Cats in a Small Inhabited Mediterranean Island.
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Molina-Bernabeu, Sara and López-Iborra, Germán M.
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CATS , *GPS receivers , *DEMOGRAPHIC change , *POPULATION policy , *BIODIVERSITY - Abstract
Simple Summary: Domestic cats have spread worldwide, and their populations on islands have a significant impact on biodiversity. Particularly on small inhabited islands of tourist importance, cats can reach high densities. To evaluate cat impacts and plan cat population management, it is essential to know their population size and spatial distribution. This study examines the cat population on the small island of Tabarca (40 ha), near the Spanish Mediterranean coast, which includes a small village. Tabarca is included in the Natura 2000 Network due to its environmental value and bird populations. The overall cat density is among the highest reported (308 cats/km2), varying between the urban area (1084 cats/km2) and the uninhabited scrubland area (27 cats/km2). The home ranges of urban cats are much smaller (average 0.38 ha or 1.25 ha, depending on the estimation method) than those of cats in the scrubland (average 9.53 ha). These findings indicate that the urban area is a source of cats that colonize the scrubland. Despite the majority of cats being sterilized by the study's end (89.5% of males and 91.7% of females), the population decline will be slow, taking many years to reach acceptable levels. Therefore, additional management measures are recommended to mitigate the cat population's impact on biodiversity. There is growing concern about effectively controlling cat populations due to their impact on biodiversity, especially on islands. To plan this management, it is essential to know the cat population size, sterilization rates, and space they use. Small inhabited islands can have very high cat densities; thus, this study aimed to evaluate cat density and home range on a small tourist island in the Spanish Mediterranean. Surveys in the urban area identified individual cats using a photographic catalog, and camera trapping was conducted in the scrubland area. GPS devices were fitted on three urban cats. The overall cat density was estimated to be 308 cats/km2, varying between the urban area (1084 cats/km2) and the uninhabited scrubland (27 cats/km2). Urban cats had smaller average home ranges (0.38 ha or 1.25 ha, depending on the estimation method) compared to scrubland cats (9.53 ha). Penetration of scrubland cats into the urban area was not detected. These results indicate that the urban area acts as a source of cats for the scrubland. Although the total sterilization rate was high (90.3%), the large cat population implies that the density would take over a decade to decrease to acceptable levels. Therefore, complementary measures for managing this cat population are recommended. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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21. In Vitro Antiprotozoal Activity of Schinus molle Extract, Partitions, and Fractions against Trypanosoma cruzi.
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Rodríguez-Garza, Nancy E., Quintanilla-Licea, Ramiro, Gomez-Flores, Ricardo, Galaviz-Silva, Lucio, and Molina-Garza, Zinnia J.
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CHAGAS' disease ,TRYPANOSOMA cruzi ,ANTIPARASITIC agents ,PUBLIC health ,PLANT health - Abstract
Chagas disease, caused by the protozoan Trypanosoma cruzi, represents an important and worldwide public health issue, particularly in Latin America. Limitations of conventional treatment with benznidazole and nifurtimox underscore the urgent need for new therapeutic strategies for this disease. Schinus molle, a tree used in traditional medicine for various ailments, has demonstrated promising antiparasitic activity. The in vitro anti-T. cruzi activity of Schinus molle crude methanol extract, partitions, and fractions, as well as their cytotoxicity in Vero cells and Artemia salina, and hemolytic activity in human erythrocytes were assessed. Most of the extracts possessed anti-T. cruzi effects, with Sm-CF3 being the fraction with the highest activity (IC
50 = 19 µg/mL; SI = 6.8). Gas chromatography–mass spectrometry analysis identified 20 compounds, with fatty acyls comprising the predominant chemical class (55%). We also identified the antiparasitic compounds cis-5,8,11,14,17-eicosapentaenoic acid and trans-Z-α-bisabolene epoxide, suggesting their potential contribution to the observed anti-T. cruzi activity. In conclusion, our findings support the therapeutic potential of S. molle as a source of novel antiparasitic agents against T. cruzi. [ABSTRACT FROM AUTHOR]- Published
- 2024
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22. Developing a Generalizable Spectral Classifier for Rhodamine Detection in Aquatic Environments.
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Pérez-García, Ámbar, Martín Lorenzo, Alba, Hernández, Emma, Rodríguez-Molina, Adrián, van Emmerik, Tim H. M., and López, José F.
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ENVIRONMENTAL sciences ,WATER pollution ,SPECTRAL sensitivity ,WATER depth ,POLLUTION monitoring - Abstract
In environmental studies, rhodamine dyes are commonly used to trace water movements and pollutant dispersion. Remote sensing techniques offer a promising approach to detecting rhodamine and estimating its concentration, enhancing our understanding of water dynamics. However, research is needed to address more complex environments, particularly optically shallow waters, where bottom reflectance can significantly influence the spectral response of the rhodamine. Therefore, this study proposes a novel approach: transferring pre-trained classifiers to develop a generalizable method across different environmental conditions without the need for in situ calibration. Various samples incorporating distilled and seawater on light and dark backgrounds were analyzed. Spectral analysis identified critical detection regions (400–500 nm and 550–650 nm) for estimating rhodamine concentration. Significant spectral variations were observed between light and dark backgrounds, highlighting the necessity for precise background characterization in shallow waters. Enhanced by the Sequential Feature Selector, classification models achieved robust accuracy (>90%) in distinguishing rhodamine concentrations, particularly effective under controlled laboratory conditions. While band transfer was successful (>80%), the transfer of pre-trained models posed a challenge. Strategies such as combining diverse sample sets and applying the first derivative prevent overfitting and improved model generalizability, surpassing 85% accuracy across three of the four scenarios. Therefore, the methodology provides us with a generalizable classifier that can be used across various scenarios without requiring recalibration. Future research aims to expand dataset variability and enhance model applicability across diverse environmental conditions, thereby advancing remote sensing capabilities in water dynamics, environmental monitoring and pollution control. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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23. The Beneficial Effects of Prenatal Biotin Supplementation in a Rat Model of Intrauterine Caloric Restriction to Prevent Cardiometabolic Risk in Adult Female Offspring.
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Aguilera-Méndez, Asdrubal, Figueroa-Fierros, Ian, Ruiz-Pérez, Xóchilt, Godínez-Hernández, Daniel, Saavedra-Molina, Alfredo, Rios-Chavez, Patricia, Villafaña, Santiago, Boone-Villa, Daniel, Ortega-Cuellar, Daniel, Gauthereau-Torres, Marcia Yvette, Nieto-Aguilar, Renato, and Palomera-Sanchez, Zoraya
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FETAL growth retardation ,LABORATORY rats ,LOW-calorie diet ,INSULIN resistance ,TREATMENT effectiveness ,FRUCTOSE - Abstract
Numerous studies indicate that intrauterine growth restriction (IUGR) can predispose individuals to metabolic syndrome (MetS) in adulthood. Several reports have demonstrated that pharmacological concentrations of biotin have therapeutic effects on MetS. The present study investigated the beneficial effects of prenatal biotin supplementation in a rat model of intrauterine caloric restriction to prevent cardiometabolic risk in adult female offspring fed fructose after weaning. Female rats were exposed to a control (C) diet or global caloric restriction (20%) (GCR), with biotin (GCRB) supplementation (2 mg/kg) during pregnancy. Female offspring were exposed to 20% fructose (F) in drinking water for 16 weeks after weaning (C, C/F, GCR/F, and GCRB/F). The study assessed various metabolic parameters including Lee's index, body weight, feed conversion ratio, caloric intake, glucose tolerance, insulin resistance, lipid profile, hepatic triglycerides, blood pressure, and arterial vasoconstriction. Results showed that GCR and GCRB dams had reduced weights compared to C dams. Offspring of GCRB/F and GCR/F dams had lower body weight and Lee's index than C/F offspring. Maternal biotin supplementation in the GCRB/F group significantly mitigated the adverse effects of fructose intake, including hypertriglyceridemia, hypercholesterolemia, hepatic steatosis, glucose and insulin resistance, hypertension, and arterial hyperresponsiveness. This study concludes that prenatal biotin supplementation can protect against cardiometabolic risk in adult female offspring exposed to postnatal fructose, highlighting its potential therapeutic benefits. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
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24. Differential Ophthalmological Profile in Patients with Coronary Artery Disease Coexisting with Type 2 Diabetes Mellitus: Elevated Tear Cytokine Concentrations.
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Jiménez-López, Rafael, Romero-Trevejo, José Lorenzo, Fernández-Romero, Lourdes, Martín-Chaves, Laura, Romero-Cuevas, Miguel, Molina-Ramos, Ana Isabel, Sánchez-Quintero, María José, Murri, Mora, Costa, Francesco, Bodí, Vicente, Gutiérrez-Bedmar, Mario, Rodríguez-Capitán, Jorge, Pavón-Morón, Francisco Javier, and Jiménez-Navarro, Manuel
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GRANULOCYTE-colony stimulating factor ,TYPE 2 diabetes ,CORONARY artery disease ,CARDIOVASCULAR diseases risk factors ,COMORBIDITY - Abstract
Background/Objectives: Coronary artery disease (CAD) and type-2 diabetes mellitus (T2DM) are characterized by chronic low-grade inflammation. However, measuring cytokines typically involves invasive blood sampling, which can be problematic for CAD patients. This study aimed to assess ophthalmological parameters and tear cytokines in patients with CAD, comparing those with comorbid T2DM to those without to understand their inflammatory profiles. Methods: One hundred subjects with suspected chronic or acute CAD were initially included in this single-center cross-sectional study after clinical stabilization. Seventy-two patients with confirmed CAD were divided into two groups: 32 patients with T2DM and 40 patients without T2DM. A total of 144 eyes were examined, and tear fluid samples were collected to determine cytokine concentrations. Ophthalmological parameters and tear concentrations of cytokines were analyzed, controlling for age, sex, and other cardiovascular risk factors. Results: Patients with CAD and T2DM exhibited decreased ophthalmological parameters and increased cytokine concentrations in comparison to those without T2DM. Significant inverse correlations between ophthalmological parameters and cytokine concentrations were observed. Following adjustment, a full logistic regression model for distinguishing patients with CAD and comorbid T2DM included macular cube volume, mean macular thickness, interleukin (IL)-4, IL-5, IL-6, IL-8, IL-9, IL-13, granulocyte colony-stimulating factor (G-CSF), CCL3, CCL4, and CCL11/eotaxin-1, demonstrating excellent discriminatory power (Area Under the Curve = 0.95, 95% Confidence Interval = 0.91–0.99; p < 0.001). Subsequently, IL-5 (Odds Ratio = 1.68, 95% CI = 1.26–2.24; p < 0.001), G-CSF (OR = 1.06, 95% CI = 1.02–1.11; p < 0.01), and CCL11/eotaxin-1 (OR = 1.56, 95% CI = 1.19–2.05; p = 0.001) emerged as the most distinguishing variables in a reduced model (AUC = 0.89, 95% CI = 0.84–0.95; p < 0.001). Conclusions: Differences in ophthalmological variables, mainly in cytokine concentrations, suggest distinct pathophysiological mechanisms in patients with CAD based on the presence of T2DM. These findings demonstrate that the inflammatory profile can be readily detected through tear sample cytokines, proving valuable for establishing more accurate prognoses and monitoring in cardiometabolic disorders. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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25. Utility of Stool-Based Tests for Colorectal Cancer Detection: A Comprehensive Review.
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Gómez-Molina, Raquel, Suárez, Miguel, Martínez, Raquel, Chilet, Marifina, Bauça, Josep Miquel, and Mateo, Jorge
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MORTALITY prevention ,FECAL analysis ,IMMUNOCHEMISTRY ,EARLY detection of cancer ,COLORECTAL cancer ,DIAGNOSTIC errors ,CLINICAL pathology ,FECAL occult blood tests ,BIOMARKERS - Abstract
Colorectal cancer (CRC) is a significant global health issue where early detection is crucial for improving treatment outcomes and survival rates. This comprehensive review assesses the utility of stool-based tests in CRC screening, including traditional fecal occult blood tests (FOBT), both chemical (gFOBT) and immunochemical techniques (FIT), as well as multitarget stool DNA (mt-sDNA) as a novel and promising biomarker. The advancements, limitations and the impact of false positives and negatives of these methods are examined. The review analyzed various studies on current screening methods, focusing on laboratory tests and biomarkers. Findings indicate that while FIT and mt-sDNA tests offer enhanced sensitivity and specificity over traditional guaiac-based FOBT, they also come with higher costs and potential for increased false positives. FIT shows better patient adherence due to its ease to use, but incorrect usage and interpretation of FOBT can lead to significant diagnostic errors. In conclusion, despite the improvements in FOBT methods like FIT in CRC detection, careful consideration of each method's benefits and drawbacks is essential. Effective CRC screening programs should combine various methods tailored to specific population needs, aiming for early detection and reduced mortality rates. [ABSTRACT FROM AUTHOR]
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- 2024
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26. Interaction Processes between Health Professionals and Moroccan Immigrant Women in Reproductive Healthcare: The Disagreement in the Encounter—A Qualitative Study.
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Ugarte-Gurrutxaga, María Idoia, Ulla Diez, Sara María, Molina-Gallego, Brígida, Humanes-García, María, Melgar de Corral, Gonzalo, and Plaza del Pino, Fernando Jesús
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IMMIGRANTS ,REPRODUCTIVE health ,QUALITATIVE research ,FOCUS groups ,CONFLICT (Psychology) ,CULTURAL competence ,INTERVIEWING ,THEMATIC analysis ,SOUND recordings ,PATIENT-professional relations ,RESEARCH methodology ,WOMEN'S health ,GROUNDED theory ,INTERPERSONAL relations ,COMMUNICATION barriers - Abstract
Introduction: Spain is a multicultural society and has been defined by several authors as an immigrant-receiving country. Moroccan women of childbearing age constitute 28.20% of Moroccan immigrants. Objectives: describe the interaction processes that occur between health professionals and Moroccan immigrant women in reproductive healthcare. Methods: Qualitative descriptive study based on Grounded Theory. Thirty immigrant women from Morocco and thirty-five health professionals participated in the study. Specific dimensions of analysis were defined and used to design the interview guide and focus groups. Results: In the healthcare encounter, the construction of an effective communicative space between the people involved in it is essential; however, the language barrier and the interpersonal relationships characterized by silence in the encounter make a meaningful healthcare relationship difficult for those who participate in it. Conclusions: There are communication and relationship problems that alter healthcare and the professional–patient relationship which require the use of translation programs, the incorporation of intercultural meters, and the development of cultural competence in health professionals. [ABSTRACT FROM AUTHOR]
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- 2024
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27. Analysis of Surface Temperature Modified by Atypical Mobility in Mexican Coastal Cities with Warm Climates.
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Grajeda-Rosado, Ruth M., Alonso-Guzmán, Elia M., Ponce de la Cruz-Herrera, Roberto I., Ortigoza-Capetillo, Gerardo M., Martínez-Molina, Wilfrido, Mondragón-Olán, Max, and Hermida-Saba, Guillermo
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LAND surface temperature ,COVID-19 ,SURFACE temperature ,GLOBAL warming ,CITIES & towns - Abstract
This study takes a unique approach, using satellite remote sensing to analyze the land surface temperature (LST) in seven coastal cities located at latitudes between 18° and 22° and longitudes between 106° and 91°. The methodology consists of obtaining the LST on two selected days, one in July 2019 and one in July 2020, to determine how the temperature was modified by the atypical mobility caused by Coronavirus Disease 2019 (COVID-19) and social distancing. Using these data, we determine the representative surface temperature that tended to rise (RHST) and the representative surface temperature that tended to decrease (RLST), depending on the affected area. This approach allows us to comprehensively compare how mobility modified the four variables studied: territorial extension, population, types of soil (paving), and vegetation. We concluded that, among the factors analyzed, the types of paving and vegetation were those that generated a more significant decrease in temperature; the variables of territorial extension and the number of inhabitants had a smaller impact. This study paves the way for a discussion of the significant influence of mobility on the behavior of the LST. [ABSTRACT FROM AUTHOR]
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- 2024
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28. Cross-Cultural Adaptation and Validation of the Spanish Version of the Amputee Body Image Scale (ABIS-E).
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Gómez-Calcerrada-García-Navas, Eva A., Arranz-Escudero, Adrián, Izquierdo-García, Juan, Briones-Cantero, María, Molina-Rueda, Francisco, and Martín-Casas, Patricia
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LEG amputation ,BODY image ,QUALITY of life ,PSYCHOLOGICAL well-being ,CRONBACH'S alpha - Abstract
Background. Assessing the patient's perceived body image is essential to measure the impact of lower limb amputation on quality of life and psychological well-being. Objective. The aim of this study was to develop a Spanish version of the Amputee Body Image Scale (ABIS-E) for Spanish-speaking lower limb amputees. Methods. A cross-sectional study was conducted including amputee patients in Madrid, Spain. Clinical outcomes of body image (Amputee Body Image Scale, ABIS), health-related quality of life (EuroQol-5D-5L), depression and anxiety (Hospital Anxiety and Depression Scale, HADS), pain (Brief Pain Inventory-Short Form, BPI-SF), and functional capacity (Prosthesis Evaluation Questionnaire, PEQ) were collected. Results. Seventy-three participants were assessed. Excellent test–retest reliability (ICC = 0.847) and good internal consistency (Cronbach's alpha = 0.753) were obtained. Factor analyses extracted three factors. Convergent validity with Pearson's and Spearman's correlation coefficients were calculated for depression and anxiety questionnaires (HADS) (values between 0.57 and 0.67), functional capacity (PEQ) (values between −0.35 and 0.71), and quality of life (EQ-5D-5L) (values between −0.37 and 0.61). Conclusions. The ABIS-E is a reliable and valid instrument to measure body image in the Spanish population with lower limb amputation, potentially useful in primary care to identify psychosocial problems. [ABSTRACT FROM AUTHOR]
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- 2024
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29. Diagnosis of Nutrient Discharges and Management Alternatives in Developing Countries and the Use of Microalgae as a Potential Solution: A Case Study from Different Provinces in Antioquia, Colombia.
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Pérez Mesa, Alejandro, Saldarriaga Molina, Julio Cesar, Ríos, Luis Alberto, Ocampo Echeverri, Esteban, and Ocampo Echeverri, David
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BIOMASS energy ,BIOLOGICAL products ,SEWAGE disposal plants ,EMERGING contaminants ,SEWAGE ,MICROPOLLUTANTS - Abstract
This research aims to propose management strategies to mitigate eutrophication caused by inefficient wastewater treatment plants in Colombia. The information analyzed was provided by environmental authorities such as IDEAM, CORANTIOQUIA, and CORNARE in Antioquia, where the average concentrations of phosphorus in wastewater from municipal, livestock, and industrial activities are 5.1, 30.6, and 29.1 mg P/L. The total nitrogen concentrations are 77, 143, and 121 mg N/L, respectively, surpassing the limit concentrations stated by the European Union, the United States, and Mexico, among others, while Colombia has not established its own limits. Including limitations for nutrient concentrations will align Colombia with the 2050 Sustainable Development Goals (SDGs), where microalgae species like Chlorella or Scenedesmus could be used in wastewater treatment systems for municipalities and industries. These microalgae can capture organic matter, nutrients, and greenhouse emissions and reduce the concentrations observed in natural water. They could also be an alternative for capturing heavy metals and some pollutants of emerging concern. In addition to the ecological and social benefits, the algal biomass could be valorized by transforming it into biological products such as fuels, fertilizers, and pigments when micropollutants are not present, reducing operational costs for treatment systems. [ABSTRACT FROM AUTHOR]
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- 2024
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30. Factors Associated with the Practice of Low-Carb and Low-Fat Diets among Participants of the Longitudinal Study of Adult Health (ELSA-Brasil).
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Azevedo, Leticia Batista de, Martins, Haysla Xavier, Luft, Vivian Cristine, da Fonseca, Maria de Jesus Mendes, Enriquez-Martinez, Oscar Geovanny, and Molina, Maria del Carmen Bisi
- Abstract
In the field of nutrition, both low-carbohydrate (LCD) and low-fat (LFD) diets were initially intended for specific subgroups but are now being embraced by the broader population for various purposes, including aesthetics and overall health. This study aims to assess sociodemographic, health, and lifestyle factors influencing diet choices among public servants in the ELSA-Brasil cohort. Diets were classified as LCD or LFD based on the Brazilian Diabetes Society (<45%) and WHO guidelines (<30%) respectively. A total of 11,294 participants were evaluated (45.3% men; 54.7% women) with a mean age of 52 ± 0.08 years. Having overweight, altered waist circumference, and a history of smoking confers higher chances of adopting an LCD compared to the usual diet, while being over 52 years, non-White race/skin color, in a lower income stratum, and having diagnosis of hypertension and/or diagnosis of diabetes mellitus decrease these chances. Regarding LFDs, belonging to the non-White race/skin color, being over 52 years old, being divorced, and practicing low physical activity decrease the chances of following such a diet compared to the usual diet. In conclusion, factors like age, socioeconomic status, health, and physical activity levels can be the key to understanding why individuals choose restrictive diets beyond clinical advice. [ABSTRACT FROM AUTHOR]
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- 2024
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31. Chrono-Nutrition, Chrono-Type, and the Prevalence of Type 2 Diabetes Mellitus in a Cross-Sectional Study from the EuroPean Prospective Investigation into Cancer and Nutrition (EPIC) Study.
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Luján-Barroso, Leila, Margara-Escudero, Hernando J., Crous-Bou, Marta, Huerta, José María, Chirlaque, María-Dolores, Molina-Montes, Esther, Sánchez, María José, Guevara, Marcela, Moreno-Iribas, Conchi, Amiano, Pilar, Mokoroa, Olatz, González, Sonia, Agudo, Antonio, Quirós, José Ramón, and Jakszyn, Paula
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Background: Previous studies have shown that meal timing, poor sleep quality, and chronotype may play a relevant role in the development of type 2 diabetes mellitus (T2DM). However, its relationship with macronutrients by eating occasions has not been explored deeply. Objective: Our aim was to estimate the association between chrono-nutrition, sleep quality, chronotype, and the prevalence of T2DM. Methods: This cross-sectional study included a subset of 3465 middle-aged Caucasian adults (2068 women) from the European Prospective Investigation into Cancer and Nutrition (EPIC) Spain cohort study. In the 2017–18 follow-up, we assessed chronotype, sleep quality, diet, and sociodemographic data using validated questionnaires. Further, we used blood samples to determine serum levels of glucose. We defined a case of T2DM when serum glucose concentration was ≥126 mg/dL or when participants self-reported diabetes. Results: A higher prevalence of T2DM was associated with poor sleep quality (OR
poorvsgood = 2.90, 95% CI = 1.30, 6.28). Carbohydrate intake at breakfast was inversely associated with the prevalence of T2DM (OR = 0.75, 95% CI = 0.66, 0.85). Finally, lipid intake at breakfast was associated with a 13% higher prevalence of T2DM (OR = 1.13, 95% CI = 1.01, 1.26) for each 1 standard deviation (1-SD) increase. Conclusions: This study concludes that a higher content of carbohydrates at breakfast is correlated with a reduced prevalence of T2DM, while higher lipids intake at breakfast is associated with a higher prevalence of T2DM. Furthermore, poor sleep quality is a potential factor associated with an elevated prevalence of T2DM. Our results emphasize the need for prospective studies to validate and strengthen these observed associations. [ABSTRACT FROM AUTHOR]- Published
- 2024
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32. Evaluation of the Effectiveness of Eugenol and MS-222 as Anesthetics in Zebrafish in Repeated Exposures and Post-Anesthesia Behaviour.
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Ayala-Soldado, Nahúm, Mora-Medina, Rafael, Molina-López, Ana María, Lora-Benítez, Antonio Jesús, and Moyano-Salvago, Rosario
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ZEBRA danio ,EUGENOL ,ANESTHETICS ,ANESTHESIA ,SWIMMING ,BRACHYDANIO - Abstract
Simple Summary: In this study, we compared the effectiveness of two anesthetics, eugenol and tricaine methanesulfonate (MS-222), in consecutive administrations on zebrafish. We evaluated zebrafish behaviour after repeated anesthesia. Eugenol induced anesthesia more quickly than MS-222 but had longer recovery times. Additionally, swimming frequency decreased after eugenol anesthesia. The buffered version of MS-222 was more effective than the non-buffered one. We recommend using buffered MS-222 for studies requiring repeated, brief-duration anesthesia. The increasing use of the zebrafish (Danio rerio) in scientific experiments has made it necessary to implement anesthesia protocols guaranteeing minimum pain and suffering for these animals and ensuring the reliability of the results obtained from their research. Therefore, we aimed to compare the effectiveness of two anesthetics, eugenol and MS-222, in consecutive administrations and evaluate the zebrafish behaviour after repeated anesthesia. Thus, several zebrafish were anaesthetized with eugenol, MS-222, and buffered MS-222 three times repeatedly with a 24-h interval between each exposure. The induction and recovery periods were also timed. Their swimming frequency was determined after each exposure to assess their behaviour after the anesthesia. Anesthesia induction was quicker with eugenol compared to MS-222. However, eugenol presented longer recovery times, which were prolonged after each exposure. Also, the swimming frequency was reduced after each anesthesia with eugenol. The buffered version of MS-222 was more efficacious than the non-buffered one. Both versions of MS-222 did not affect the swimming frequency. Based on these findings, we recommend the utilization of MS-222 buffered rather than eugenol when repeated, brief-duration anesthesia is necessitated for a study. [ABSTRACT FROM AUTHOR]
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- 2024
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33. A Critical Review of Pavement Design Methods Based on a Climate Approach.
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Mendoza-Sanchez, Juan F., Alonso-Guzman, Elia M., Martinez-Molina, Wilfrido, Chavez-Garcia, Hugo L., Soto-Espitia, Rafael, Delgado-Alamilla, Horacio, and Obregon-Biosca, Saul A.
- Abstract
The design of flexible road pavements is a complex process as a result of the multiple variables that influence and interact in the models that allow the design of each layer. In recent years, a particular interest has been raised to ensure that climate is considered in pavement design due to temperature and precipitation that influence the deterioration of pavements, impacting their service life. This paper presents a critical review of flexible pavement design methods, from the first ones based on experience, such as empirical methods, to the most recent ones on mechanical–empirical methodologies, where, based on different principles, they determine the thicknesses of the layers that integrate the structure of a pavement to identify how these methods have included climate variables within their methodology. Through this review, it was identified that temperature is incorporated in the dynamic modulus of the asphalt mix, and precipitation and moisture are incorporated through the resilient modulus in the granular layers (base, subbase, and foundation soil or subgrade courses). As a result, it was identified that the most holistic way of integrating climate is through the Enhanced Integrated Climatic Model (EICM) from the Mechanistic–Empirical Pavement Design Guide (MEPDG). In many cases, climate is incorporated through parameters whose behavior is associated with temperature and precipitation but does not use the data of these climate variables directly from the project site. The practical incorporation of climate into design methods allows an increase in the certainty of results, ensuring additional climate-resilient pavement structures and increasing their durability and sustainability during their service life. [ABSTRACT FROM AUTHOR]
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- 2024
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34. Assessing Urban Ventilation in Common Street Morphologies for Climate-Responsive Design toward Effective Outdoor Space Regeneration.
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Ruda Sarria, Francisco, Guerrero Delgado, MCarmen, Sánchez Ramos, José, Palomo Amores, Teresa, Molina Félix, José Luis, and Álvarez Domínguez, Servando
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Urban heat islands are an environmental hazard which degrade people's lives worldwide, reducing social life and increasing health problems, forcing scientists to design innovative acclimatization methods in public places, such as sheltering. This paper focuses on providing quantitative indicators about airflow rates and qualitative information about airflow patterns in street canyons for typical street canyon morphologies, which is essential when designing outdoor acclimatization strategies to mitigate urban overheating. This is based on CFD simulations using an enhanced numerical domain model, which can reduce computational cost and simulation time. The study is performed for different ARs, from wide (AR = 0.75) to narrow (AR = 4), and wind speed to characterize their effect on street ventilation The results show that air renewal decreases while the AR increases. The reduction is faster for a low AR and then comes to a standstill for a high AR. In addition, the study shows that inside narrow streets, the pattern of airflow is affected by the wind velocity magnitude. These findings provide numerical values of air ventilation for a wide range of typical street canyon configurations, which represent essential data for designing effective climate control strategies, mitigating urban heat islands and conducting outdoor thermal comfort studies. This work contributes valuable knowledge to the multidisciplinary efforts aimed at enhancing urban living environments. [ABSTRACT FROM AUTHOR]
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- 2024
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35. Natural Occurring Terpene Cyclic Anhydrides: Biosynthetic Origin and Biological Activities.
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Molina Inzunza, Diego O., Martín González, Juan E., Segura Navarro, María José, Barrero, Alejandro F., and Quílez del Moral, José F.
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NATURAL products , *ANHYDRIDES , *BIOSYNTHESIS , *SKELETON , *MOLECULES - Abstract
Cyclic acid anhydride is a not very widespread structure in nature, but with a determining role in natural products possessing this functionality in their skeleton. To the best of our knowledge, no revision of terpenes containing cyclic anhydrides has been previously reported. The result was that more than 100 terpenic cyclic anhydrides and related compounds were found to be in need of being reported. This review has been systematically organized by terpene skeletons, from the smallest to largest, describing their sources and bioactivities. In addition, different biosynthetic pathways for their final oxidations, namely, routes A, B and C, leading to the formation of these heterocyclic natural products, have been proposed. We have also included the most plausible precursors of these natural products, which mostly happened to be present in the same natural source. Some molecules derived from terpene cyclic anhydrides, such as their natural imide derivatives, have also been described due to their significant biological activity. In this sense, special attention has been paid to cantharidin because of its historical relevance and its broad bioactivity. A plausible biosynthesis of cantharidin has been proposed for the first time. Finally, cyclic anhydride structures that were firstly assigned as anhydrides and later corrected have been also described. [ABSTRACT FROM AUTHOR]
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- 2024
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36. Distribution Network Reconfiguration Optimization Using a New Algorithm Hyperbolic Tangent Particle Swarm Optimization (HT-PSO).
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Puma, David W., Molina, Y. P., Atoccsa, Brayan A., Luyo, J. E., and Ñaupari, Zocimo
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PARTICLE swarm optimization , *TANGENT function , *HYPERBOLIC functions , *ALGORITHMS - Abstract
This paper introduces an innovative approach to address the distribution network reconfiguration (DNR) challenge, aiming to reduce power loss through an advanced hyperbolic tangent particle swarm optimization (HT-PSO) method. This approach is distinguished by the adoption of a novel hyperbolic tangent function, which effectively limits the rate of change values, offering a significant improvement over traditional sigmoid function-based methods. A key feature of this new approach is the integration of a tunable parameter, δ , into the HT-PSO, enhancing the curve's adaptability. The careful optimization of δ ensures superior control over the rate of change across the entire operational range. This enhanced control mechanism substantially improves the efficiency of the search and convergence processes in DNR. Comparative simulations conducted on 33- and 94-bus systems show an improvement in convergence, demonstrating a more exhaustive exploration of the search space than existing methods documented in the literature based on PSO and variations where functions are proposed for the rate of change of values. [ABSTRACT FROM AUTHOR]
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- 2024
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37. Unobtrusive Skin Temperature Estimation on a Smart Bed.
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Garcia-Molina, Gary, Winger, Trevor, Makaram, Nikhil, Rao, Megha Rajam, Chernega, Pavlo, Shcherbakov, Yehor, McGhee, Leah, Chellamuthu, Vidhya, Veneros, Erwin, Mills, Raj, Aloia, Mark, and Reid, Kathryn J.
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SLEEP quality , *BODY temperature , *TEMPERATURE sensors , *BLOOD flow , *MATTRESSES , *SKIN temperature - Abstract
The transition from wakefulness to sleep occurs when the core body temperature decreases. The latter is facilitated by an increase in the cutaneous blood flow, which dissipates internal heat into the micro-environment surrounding the sleeper's body. The rise in cutaneous blood flow near sleep onset causes the distal (hands and feet) and proximal (abdomen) temperatures to increase by about 1 °C and 0.5 °C, respectively. Characterizing the dynamics of skin temperature changes throughout sleep phases and understanding its relationship with sleep quality requires a means to unobtrusively and longitudinally estimate the skin temperature. Leveraging the data from a temperature sensor strip (TSS) with five individual temperature sensors embedded near the surface of a smart bed's mattress, we have developed an algorithm to estimate the distal skin temperature with a minute-long temporal resolution. The data from 18 participants who recorded TSS and ground-truth temperature data from sleep during 14 nights at home and 2 nights in a lab were used to develop an algorithm that uses a two-stage regression model (gradient boosted tree followed by a random forest) to estimate the distal skin temperature. A five-fold cross-validation procedure was applied to train and validate the model such that the data from a participant could only be either in the training or validation set but not in both. The algorithm verification was performed with the in-lab data. The algorithm presented in this research can estimate the distal skin temperature at a minute-level resolution, with accuracy characterized by the mean limits of agreement [−0.79 to +0.79 °C] and mean coefficient of determination R 2 = 0.87 . This method may enable the unobtrusive, longitudinal and ecologically valid collection of distal skin temperature values during sleep. Therelatively small sample size motivates the need for further validation efforts. [ABSTRACT FROM AUTHOR]
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- 2024
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38. Antifungal Mechanism of Ruta graveolens Essential Oil: A Colombian Traditional Alternative against Anthracnose Caused by Colletotrichum gloeosporioides.
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Peralta-Ruiz, Yeimmy, Molina Hernandez, Junior Bernardo, Grande-Tovar, Carlos David, Serio, Annalisa, Valbonetti, Luca, and Chaves-López, Clemencia
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COLLETOTRICHUM gloeosporioides , *FUNGAL metabolism , *ACID phosphatase , *ESSENTIAL oils , *REACTIVE oxygen species - Abstract
Here, we report for the first time on the mechanisms of action of the essential oil of Ruta graveolens (REO) against the plant pathogen Colletotrichum gloeosporioides. In particular, the presence of REO drastically affected the morphology of hyphae by inducing changes in the cytoplasmic membrane, such as depolarization and changes in the fatty acid profile where straight-chain fatty acids (SCFAs) increased by up to 92.1%. In addition, REO induced changes in fungal metabolism and triggered apoptosis-like responses to cell death, such as DNA fragmentation and the accumulation of reactive oxygen species (ROS). The production of essential enzymes involved in fungal metabolism, such as acid phosphatase, β-galactosidase, β-glucosidase, and N-acetyl-β-glucosaminidase, was significantly reduced in the presence of REO. In addition, C. gloeosporioides activated naphthol-As-BI phosphohydrolase as a mechanism of response to REO stress. The data obtained here have shown that the essential oil of Ruta graveolens has a strong antifungal effect on C. gloeosporioides. Therefore, it has the potential to be used as a surface disinfectant and as a viable replacement for fungicides commonly used to treat anthracnose in the postharvest testing phase. [ABSTRACT FROM AUTHOR]
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- 2024
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39. Treatment of Synthetic Wastewater Containing Polystyrene (PS) Nanoplastics by Membrane Bioreactor (MBR): Study of the Effects on Microbial Community and Membrane Fouling.
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Pompa-Pernía, Anamary, Molina, Serena, Cherta, Laura, Martínez-García, Lorena, and Landaburu-Aguirre, Junkal
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- 2024
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40. Botulinum Toxin Type A (BoNT-A) Use for Post-Stroke Spasticity: A Multicenter Study Using Natural Language Processing and Machine Learning.
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Antón, María Jesús, Molina, Montserrat, Pérez, José Gabriel, Pina, Santiago, Tapiador, Noemí, De La Calle, Beatriz, Martínez, Mónica, Ortega, Paula, Ruspaggiari, María Belén, Tudela, Consuelo, Conejo, Marta, Leno, Pedro, López, Marta, Marhuenda, Carmen, Arias-Cabrales, Carlos, Maisonobe, Pascal, Herrera, Alberto, and Candau, Ernesto
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NATURAL language processing , *BOTULINUM toxin , *ARTIFICIAL intelligence , *ISCHEMIC stroke , *ELECTRONIC health records , *BOTULINUM A toxins - Abstract
We conducted a multicenter and retrospective study to describe the use of botulinum toxin type A (BoNT-A) to treat post-stroke spasticity (PSS). Data were extracted from free-text in electronic health records (EHRs) in five Spanish hospitals. We included adults diagnosed with PSS between January 2015 and December 2019, stratified into BoNT-A-treated and untreated groups. We used EHRead® technology, which incorporates natural language processing and machine learning, as well as SNOMED CT terminology. We analyzed demographic data, stroke characteristics, BoNT-A use patterns, and other treatments. We reviewed the EHRs of 1,233,929 patients and identified 2190 people with PSS with a median age of 69 years; in total, 52.1% were men, 70.7% had cardiovascular risk factors, and 63.2% had suffered an ischemic stroke. Among the PSS patients, 25.5% received BoNT-A at least once. The median time from stroke to spasticity onset was 205 days, and the time from stroke to the first BoNT-A injection was 364 days. The primary goal of BoNT-A treatment was pain control. Among the study cohort, rehabilitation was the most common non-pharmacological treatment (95.5%). Only 3.3% had recorded monitoring scales. In conclusion, a quarter of patients with PSS received BoNT-A mainly for pain relief, typically one year after the stroke. Early treatment, disease monitoring, and better data documentation in EHRs are crucial to improve PSS patients' care. [ABSTRACT FROM AUTHOR]
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- 2024
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41. β-D-Glucose-Reduced Silver Nanoparticles Remodel the Tumor Microenvironment in a Murine Model of Triple-Negative Breast Cancer.
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Félix-Piña, Pedro, Franco Molina, Moisés Armides, García Coronado, Paola Leonor, Prado-Garcia, Heriberto, Zarate-Triviño, Diana Ginette, Castro-Valenzuela, Beatriz Elena, Moreno-Amador, Kenia Arisbe, Uscanga Palomeque, Ashanti Concepción, and Rodríguez Padilla, Cristina
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TRIPLE-negative breast cancer , *REGULATORY T cells , *SILVER nanoparticles , *IMMUNOLOGIC memory , *TUMOR microenvironment , *T cells - Abstract
Breast cancer is the most diagnosed type of cancer worldwide and the second cause of death in women. Triple-negative breast cancer (TNBC) is the most aggressive, and due to the lack of specific targets, it is considered the most challenging subtype to treat and the subtype with the worst prognosis. The present study aims to determine the antitumor effect of beta-D-glucose-reduced silver nanoparticles (AgNPs-G) in a murine model of TNBC, as well as to study its effect on the tumor microenvironment. In an airbag model with 4T1 tumor cell implantation, the administration of AgNPs-G or doxorubicin showed antitumoral activity. Using immunohistochemistry it was demonstrated that treatment with AgNPs-G decreased the expression of PCNA, IDO, and GAL-3 and increased the expression of Caspase-3. In the tumor microenvironment, the treatment increased the percentage of memory T cells and innate effector cells and decreased CD4+ cells and regulatory T cells. There was also an increase in the levels of TNF-α, IFN-γ, and IL-6, while TNF-α was increased in serum. In conclusion, we suggest that AgNPs-G treatment has an antitumor effect that is demonstrated by its ability to remodel the tumor microenvironment in mice with TNBC. [ABSTRACT FROM AUTHOR]
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- 2024
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42. Molecular Mechanisms Linking Genes and Vitamins of the Complex B Related to One-Carbon Metabolism in Breast Cancer: An In Silico Functional Database Study.
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Gálvez-Navas, José María, Molina-Montes, Esther, Rodríguez-Barranco, Miguel, Ramírez-Tortosa, MCarmen, Gil, Ángel, and Sánchez, María-José
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VITAMIN B complex , *PHENOMENOLOGICAL biology , *COMPUTATIONAL biology , *BRCA genes , *SINGLE nucleotide polymorphisms - Abstract
Carcinogenesis is closely related to the expression, maintenance, and stability of DNA. These processes are regulated by one-carbon metabolism (1CM), which involves several vitamins of the complex B (folate, B2, B6, and B12), whereas alcohol disrupts the cycle due to the inhibition of folate activity. The relationship between nutrients related to 1CM (all aforementioned vitamins and alcohol) in breast cancer has been reviewed. The interplay of genes related to 1CM was also analyzed. Single nucleotide polymorphisms located in those genes were selected by considering the minor allele frequency in the Caucasian population and the linkage disequilibrium. These genes were used to perform several in silico functional analyses (considering corrected p-values < 0.05 as statistically significant) using various tools (FUMA, ShinyGO, and REVIGO) and databases such as the Kyoto Encyclopedia of Genes and Genomes (KEGG) and GeneOntology (GO). The results of this study showed that intake of 1CM-related B-complex vitamins is key to preventing breast cancer development and survival. Also, the genes involved in 1CM are overexpressed in mammary breast tissue and participate in a wide variety of biological phenomena related to cancer. Moreover, these genes are involved in alterations that give rise to several types of neoplasms, including breast cancer. Thus, this study supports the role of one-carbon metabolism B-complex vitamins and genes in breast cancer; the interaction between both should be addressed in future studies. [ABSTRACT FROM AUTHOR]
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- 2024
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43. Evolution of the Beach–Dune Systems in Mediterranean Andalusia (Spain) Using Two Different Proxies.
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Molina, Rosa, Anfuso, Giorgio, González-Aguilar, Belén, Manno, Giorgio, and Cooper, J. Andrew G.
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BEACH erosion ,COASTAL changes ,COASTAL zone management ,EROSION ,GOVERNMENT aid - Abstract
Coastal environments are complex systems that are influenced by a combination of natural processes and human activities. Scientific interest in the effects of coastal erosion/accretion and climatic change-related processes has greatly increased in recent decades due to the growing human development along coastal areas. This paper investigates the state and evolution of beach–dune systems for the 1977–2001 and 2001–2019 periods of the Mediterranean coast of Andalusia (Spain) using two different proxies: the dune toe line, which was used to track foredunes evolution, and the high-water line, which was used to assess shoreline evolution. Results showed a general erosional behavior of the studied beach–dune systems and identified cases where the main trend was altered through human interventions. During the 1977–2001 period, foredunes essentially showed erosion (54%), accretion (24%), and stability (22%) and shorelines showed accretion (40%) and erosion and stability (34% each). During the 2001–2019 period, foredunes essentially showed erosion (42%), stability (30%), and accretion (28%), and shorelines showed erosion (40%), accretion (34%), and stability (26%). Combining the evolution classes of each proxy (dune toe/shoreline) allows the behavior of both shoreline proxies to be assessed together and provides insights additional to those derived from the use of a single proxy. In this regard, Erosion/erosion (EE) and Accretion/accretion (AA) were the most frequent behaviors in the first and second periods. The results obtained provide additional insights on the nature and drivers of coastal change that aid local coastal managers and administrations in understanding erosion processes. The method can be applied to other areas around the world where a similar database is available. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
44. The Optimization of the Synthesis of Antibacterial Coatings on Ti6Al4V Coupons Obtained by Electron Beam Melting.
- Author
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Molina, Javier, Valero-Gómez, Ana, Bernabé-Quispe, Patricia, Tormo-Mas, María Ángeles, and Bosch, Francisco
- Subjects
ELECTRON beam furnaces ,PROSTHESIS-related infections ,STAPHYLOCOCCUS epidermidis ,SILVER ions ,STAPHYLOCOCCUS aureus - Abstract
Prosthetic joint infection represents a problem that worsens the patient's quality of life and produces an economic impact on health systems. We report the anodization of Ti6Al4V coupons obtained by electron beam melting to produce a nanostructured surface. Anodization at 10 V produced TiO
2 nanopores with a diameter in the range of 15–20 nm. Thereafter, Ag nanoparticles (AgNPs) were deposited in three different ways to provide antibacterial functionality to the coatings: electrochemically, thermally, and chemically. The electrochemical method did not provide good coverage of AgNPs. At 0.1 V of synthesis potential, cubic, octahedral, and truncated octahedral Ag crystals were obtained. The thermal method provided a good distribution of AgNPs but it damaged the TiO2 nanostructure. The chemical method showed the best distribution of AgNPs over the anodized surface and preserved the anodized nanostructure. For this reason, the chemical method was selected to perform further studies. Ag+ release was monitored in simulated body fluid at 37 °C, reaching 1.86 mg Ag+ /L after 42 days. The antibacterial coating showed excellent antibacterial activity and inhibited biofilm formation for Staphylococcus epidermidis RP62A and Staphylococcus aureus V329 strains (lethality > 99.9% for both bacteria and assays). [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
- View/download PDF
45. Visual Fixation of Skull-Vibration-Induced Nystagmus in Patients with Peripheral Vestibulopathy.
- Author
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Blanco, Melissa, Monopoli-Roca, Chiara, Álvarez de Linera-Alperi, Marta, Menéndez Fernández-Miranda, Pablo, Molina, Bárbara, Batuecas-Caletrío, Angel, and Pérez-Fernández, Nicolás
- Subjects
PHASE velocity ,NYSTAGMUS ,VERTIGO ,SKULL ,DIZZINESS - Abstract
Nystagmus induced by applying an intense vibratory stimulus to the skull (SVIN) indicates vestibular functional asymmetry. In unilateral vestibular loss, a 100 Hz bone-conducted vibration given to either mastoid immediately causes a primarily horizontal nystagmus. The test is performed in darkness to avoid visual fixation (VF) but there are no data about how much VF affects the often-intense SVIN. The aim is to analyze the amount of reduction in SVIN when VF is allowed during testing. Thus, all patients seen in a tertiary hospital for vertigo or dizziness with positive SVIN were included. SVIN was recorded for 10 s for each condition: without VF (aSVINwo) and with VF (aSVINw). We obtained an aSVINwo and an aSVINw as average slow-phase velocities (SPV) without and with VF. VF index (FI
SVIN ) was calculated as the ratio of SPV. Among the 124 patients included, spontaneous nystagmus (SN) was found in 25% and the median slow phase velocity (mSPV) (without VF) of SN was 2.6 ± 2.4°/s. Mean FISVIN was 0.27 ± 0.29. FISVIN was 0 in 42 patients, and FISVIN between 0 and 1 was found in 82 (mean FISVIN 0.39 ± 0.02). Fixation suppression was found in all patients with SVIN in cases of peripheral vestibulopathy. FISVIN clearly delineates two populations of patients: with or without a complete visual reduction in nystagmus. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
- View/download PDF
46. Institutional Ethos of Less Selective Massive Private Universities in Chile: Organizational Identities in a Competitive and Marketized University System.
- Author
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Quaresma, Maria Luísa, Villalobos, Cristóbal, Rojas-Murphy, Andrés, and Molina-Salas, Francisco
- Subjects
EDUCATION methodology ,PROFESSIONAL ethics ,SOCIAL ethics ,HIGHER education ,SEMI-structured interviews - Abstract
This article aims to reflect on the institutional ethos of three Chilean, less selective massive private universities, analyzing their organizational identities, discourses, and practices and discussing how the dynamics of the competitive and marketized Chilean educational system influence this ethos. Through a qualitative design, which includes semi-structured interviews with key university staff members and direct observations in formal and informal instances, this article concludes that the ethos of these institutions is structured around four main axes: pluralism and student diversity; the pursuit of excellence as a competitive horizon; the construction of merit as a personal, family, and institutional effort; and education for employability, underpinned by professional ethics and social commitment. Furthermore, we find evidence that the logic of the university market shapes these private universities' ethos transversally. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
47. Sustainability of Organic Fertilizers Use in Dryland Mediterranean Agriculture.
- Author
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Ortiz, Carlos, Yagüe, María Rosa, Valdez, Alcira Sunilda, Molina, María Gabriela, and Bosch-Serra, Àngela Dolores
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ARID regions agriculture ,SEWAGE sludge ,WINTER grain ,CIRCULAR economy ,SPRING - Abstract
Organic fertilization is a key issue in European Union (EU) regulations, particularly in the context of promoting a circular nutrient economy, maintaining soil quality, and sequestering carbon to face climate change. In a rainfed system in Northeastern Spain, an experiment was set up (split-plot design). It included five pre-sowing N fertilization treatments: control, mineral, pig slurry, and composted sewage sludge (two rates). The average N rates were 0, 30, 141, 176, and 351 kg N ha
−1 , respectively. They were combined with mineral N topdressings (0, 50, and 100 kg N ha−1 ). Three crops were grown: barley (nine years), wheat (three years), and rapeseed (one year). In the driest years (c. 350 mm rainfall), the yields averaged 2.5, 2.0, and 1.9 Mg ha−1 , respectively. The maximum yields were for barley (6.5 Mg ha−1 ) and wheat (5.5 Mg ha−1 ). The avoidance of a significant increase in soil residual NO3 − -N, plus the control of soil build up of available P, micronutrients, and Cd, defines the fertilization strategies. (i) With a previous spring drought season, no fertilization is needed in the following year, if devoted to winter cereals. (ii) In rainier seasons, pig slurry or composted sewage sludge (lowest rate) applied at sowing is sufficient; however, 50 kg of mineral-N ha−1 at the topdressing can be applied. The study found that pig slurry favors K, Mg, Cu, and Zn availability, while composted sewage sludge enhances Fe availability. Although it is possible to reduce N inputs from organic fertilizers, organic C build-up will be constrained. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
- View/download PDF
48. Technical Feasibility of a Two-Cylinder Entablature Steam Engine with a Parallel Motion Crosshead: An Analysis from Mechanical Engineering.
- Author
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Rojas-Sola, José Ignacio and Barranco-Molina, Juan Carlos
- Subjects
MECHANICAL engineering ,ENGINEERING drawings ,STEAM engines ,SAFETY factor in engineering ,COMPUTER-aided engineering - Abstract
In this research, we present the results of analyzing the technical feasibility of an old invention by Henry Muncaster from the perspective of mechanical engineering, specifically focusing on the resistance of materials. The invention is a two-cylinder steam engine with a parallel motion crosshead, for which plans were published in the Model Engineer magazine in 1957. This complex device, composed of 76 elements and lacking descriptive information, has been the subject of a recent article that illustrated its design through the engineering drawing discipline and a 3D CAD model. To provide reliable information and conduct a comprehensive study of its technical feasibility, an extensive linear static analysis was performed. This analysis considered two critical positions of the piston inside the cylinder: upper dead center and lower dead center. We determined the optimal range of working pressures necessary to achieve a safety factor within the optimal design range of two to four. The results include von Mises stresses, displacements, and safety factor distributions, confirming that the optimal working pressure range for steam intake is between 1.885 and 3.550 MPa. This ensures that the safety factor values remain between 2.01 and 3.78. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
49. Volatile Organic Compounds as a Diagnostic Tool for Detecting Microbial Contamination in Fresh Agricultural Products: Mechanism of Action and Analytical Techniques.
- Author
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Ventura-Aguilar, Rosa Isela, Lucas-Bautista, Jesús Armando, Arévalo-Galarza, Ma. de Lourdes, and Bosquez-Molina, Elsa
- Subjects
PROTON transfer reactions ,MICROBIAL contamination ,VOLATILE organic compounds ,FARM produce ,ELECTRONIC noses - Abstract
Volatile organic compounds (VOCs) are secondary metabolites emitted by all living carbon-based organisms. These VOCs are of great importance in the agricultural sector due to their use as biofungicides and biopesticides. In addition, they can also be used as indicators of microbial contamination. The latter has rarely been studied; however, such a role is very relevant because it allows the timely application of corrective treatments that avoid food waste, the development of toxins dangerous to humans, and the design of biosensors. Gas chromatography–mass spectrometry (GC-MS), electronic nose (e-nose), and proton transfer reaction mass spectrometry (PTR-MS) are some of the techniques used to detect VOCs in fruits and vegetables contaminated by microorganisms. Therefore, the objective of this work is to deepen our knowledge of VOCs emitted by microorganisms in terms of their use as an indicator of microbial contamination of fresh agricultural products, as well as the analytical techniques used for their detection. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
50. Effectiveness of Resistance Training Program on Body Composition in Adults Following Vegan Diet versus Omnivorous Diet; Developed in Mobile Health Modality.
- Author
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Cárcamo-Regla, Richar, Zapata-Lamana, Rafael, Ochoa-Rosales, Carolina, Martorell, Miquel, Carrasco-Marín, Fernanda, and Molina-Recio, Guillermo
- Abstract
Background: The vegan diet (VEG
D ) has gained popularity in recent years for ecological and ethical reasons, as well as for its health benefits. In addition to the type of diet, the resistance training program (RTP ) plays a fundamental role as one of the main natural anabolic stimuli to increase musculoskeletal mass and reduce fat mass. Methods: The study was a 16-week non-randomized controlled clinical trial consisting of three RTP sessions per week. The sample included 70 Chilean individuals, aged between 18 and 59 years, who had been following a VEGD or omnivorous diet (OMND ) for the past 6 months. Four groups were established: Vegan Diet Resistance Training Program (VEGD -RTP ), Vegan Diet Control (VEGD -C), Omnivorous Diet Resistance Training Program (OMND -RTP ), and Omnivorous Diet Control (OMND -C). Results: The sample consisted of 47 women and 23 men, with a mean age of 30.1 (±8.6) years. A reduction of 1.20% in the percentage of fat mass (%FM) was observed in the VEGD -RTP group (r = 0.554, p = 0.016), as well as a reduction of 0.70 kg in kilograms of fat mass (KFM) (r = 0.480, p = 0.036). The OMND -RTP group decreased %FM by 0.90% (r = 0.210, p = 0.432) and KFM by 0.50 kg (r = 0.109, p = 0.683). Conclusions: RTP combined with VEGD or OMND significantly reduced the percentage of fat mass, although its effect was more significant in the VEGD -RTP participants. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
- View/download PDF
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