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Your search keyword '"Chaves, Yury O."' showing total 9 results
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9 results on '"Chaves, Yury O."'

2. Association between cytokine and increased risk of death in ART- naïve and ART-non-adherence patients hospitalized with advanced HIV disease

Author

Mota, Wellington, primary, Santana, Monique F, additional, Baptista, Bárbara J, additional, Almeida, Taynná VR, additional, Salimo, Zeca M, additional, Balieiro, Antônio A S, additional, Costa, Allyson G, additional, Ibiapina, Hiochelson N dos S, additional, Carvalho, Andrea T, additional, Martins-Filho, Olindo A, additional, Chaves, Yury O, additional, Lacerda, Marcus VG, additional, Benzaken, Adele S, additional, Ferreira, Luiz C L, additional, and Nogueira, Paulo A, additional

Published
2024
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3. Development of an antibody against EtpA from enterotoxigenic Escherichia coli and evaluation of its use for bacterial isolation using magnetic beads

Author

ASTOLPHO, HELBER A., primary, MARIÚBA, LUIS ANDRÉ M., additional, CHAVES, YURY O., additional, GLÓRIA, JULIANE C., additional, ALMEIDA, MARIA EDILENE M. DE, additional, MACHADO-DE-ÁVILA, RICARDO A., additional, GENEROSO, CAMILLE M., additional, BATISTA, JENIFFER C.L., additional, NOGUEIRA, PAULO AFONSO, additional, and ORLANDI, PATRÍCIA P., additional

Published
2024
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5. Using an Aluminum Hydroxide–Chitosan Matrix Increased the Vaccine Potential and Immune Response of Mice against Multi-Drug-Resistant Acinetobacter baumannii

Author

Deusdará, Túllio T., primary, Félix, Mellanie K. C., additional, de S. Brito, Helio, additional, Cangussu, Edson W. S., additional, de S. Moura, Wellington, additional, Albuquerque, Benedito, additional, Silva, Marcos G., additional, dos Santos, Gil R., additional, de Morais, Paula B., additional, da Silva, Elizangela F., additional, Chaves, Yury O., additional, Mariúba, Luis Andre M., additional, Nogueira, Paulo A., additional, Astolfi-Filho, Spartaco, additional, Assunção, Enedina N., additional, Epiphanio, Sabrina, additional, Marinho, Claudio R. F., additional, Brandi, Igor V., additional, Viana, Kelvinson F., additional, Oliveira, Eugenio E., additional, and Cangussu, Alex Sander R., additional

Published
2023
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6. Chemistry and Pharmacology of Bergenin or Its Derivatives: A Promising Molecule

Author

Salimo, Zeca M., primary, Yakubu, Michael N., additional, da Silva, Emanuelle L., additional, de Almeida, Anne C. G., additional, Chaves, Yury O., additional, Costa, Emmanoel V., additional, da Silva, Felipe M. A., additional, Tavares, Josean F., additional, Monteiro, Wuelton M., additional, de Melo, Gisely C., additional, and Koolen, Hector H. F., additional

Published
2023
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7. Alcaloides isoquinolínicos e investigação das atividades antiplasmódica e antibacteriana de Guatteria citriodora (Annonaceae)

Author

Rabelo,Diego de M., Pinheiro,Maria L. Belém, Barison,Andersson, Salomé,Kahlil S., Costa,Emmanoel V., Silva,Felipe M. Araujo da, Chaves,Yury O., and Bastos,Ivanildes dos S.

Subjects
lcsh:Chemistry, antibacterial, lcsh:QD1-999, antiplasmodial, heterocyclic compounds, Guatteria citriodora, complex mixtures
Abstract

Phytochemical investigations of the stem bark, leaves and twigs of Guatteria citriodora resulted in the isolation of eight alkaloids: liriodenine, lysicamine, O-methylmoschatoline, 3-methoxyoxoputerine, palmatine, 3-methoxyguadiscidine, guattescidine and oxoputerine. The structures of the isolated substances were established by extensive spectroscopic techniques (1D and 2D NMR) and mass spectrometry (MS), as well as by comparison with data reported in the literature. The in vitro antimalarial activity of the alkaloidal fractions of the leaves and twigs against Plasmodium falciparum FCR3 showed significant results, with IC50 = 1.07 and 0.33 mg mL-1, respectively. The alkaloidal fraction of the leaves showed moderate activity against Enterococcus faecalis, with IC50 = 125.0 mg mL-1. Antiplasmodial and antibacterial activities are attributed to alkaloidal constituents.

Published
2014

9. New opportunities for applications of cellulose nanocrystal: non-covalent protein coupling analysis by flow cytometry.

Author

Glória JC, Mariúba LAM, Chaves YO, Figueiredo AM, and Manzato L

Subjects
Cattle, Animals, Cellulose chemistry, Flow Cytometry methods, Nanoparticles chemistry, Serum Albumin, Bovine chemistry, Green Fluorescent Proteins chemistry
Abstract

Cellulose nanocrystals (CNCs) are known for several features which make them one of the nanoparticles with great potential for application in different areas such as biosensors development and carrier molecules. However, there are few reports in the literature describing the coupling analysis of cellulose nanocrystals with biomolecules, and the existing ones are laborious, still needing a large laboratory structure. In this paper, we describe the non-covalent coupling of Bovine Serum Albumin protein (BSA) to CNCs using Green Fluorescent Protein (GFP) as a reporter molecule. Analyzes of these tests were performed using the flow cytometry technique. The nanocrystal particles became fully fluorescent when coupled to a concentration of 1 µg GFP. BSA coupling was able to block binding to GFP when at a concentration of 8 µg. Thus, flow cytometry has proven to be a simple and effective methodology for determining BSA coupling percentage to CNCs.

Published
2024
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