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A research study conducted by the Medical University of Vienna in Austria examined the mechanical properties of additively manufactured ceramic lattice structures for bone scaffolds. The study focused on two materials, hydroxyapatite (HAp) and zirconium dioxide (ZrO2), and tested eleven different lattice structures under various loading conditions. The results showed that ZrO2 lattices were stiffer than HAp lattices, and the elastic properties varied depending on the lattice design. The study provides a comprehensive overview of the mechanical properties of these ceramic lattice structures, which can be used as a reference for designers of ceramic implants to improve their performance and mimic human bone tissue. [Extracted from the article]

A study conducted by researchers from Chalmers University of Technology in Gothenburg, Sweden, examined gender differences in citation sentiment in the field of life sciences and biomedicine. The study analyzed two sets of articles, one that was cited and one that was citing. The results showed that male-authored papers received a significantly higher positive sentiment compared to female-authored papers. Additionally, there was a lower tendency for women to use positive terms when citing papers with the same gender composition. The study also found that factors such as lay summary, country similarity, and the venue of publication had a positive association with the sentiment score received. [Extracted from the article]

Researchers from the University of Utrecht in the Netherlands have published a report on the inclusive design of regenerative medicine interventions, focusing on regenerative valve implants. The study proposes a value hierarchy to translate the value of justice into design requirements for these implants. The researchers argue that regenerative implants should be designed to promote equal opportunity to good health, show equal respect for all potential users, and be accessible to everyone in need. The paper provides ethical guidance for researchers and clinicians developing regenerative implants, addressing questions of justice and inclusion. [Extracted from the article]

Researchers at the University of Minho in Guimaraes, Portugal have developed sustainable and highly stretchable gelatin-alkali lignin hydrogels for tissue engineering and 3D printing applications. Hydrogels and bioinks made from gelatin typically have poor mechanical properties, but the addition of alkali lignin, a by-product of the paper and pulp industry, improves elasticity and resistance to fatigue. The researchers found that the properties of the hydrogels can be easily modified and tuned using simple processing techniques, making them suitable for use as bioinks in 3D printing. These high-performance hydrogels have mechanical properties similar to soft tissues and can be used in a range of biomedical and tissue engineering scaffolding applications. [Extracted from the article]

A recent study from the University of Copenhagen explores the practice of anamnesis in medicine, which involves taking a patient's history to aid in diagnosis. The researchers argue that medical collections, such as pathological organs and diagnostic slides, can be seen as institutional and disciplinary memories. The study highlights the importance of the past in modern biomedicine and uses anamnesis as a historiographical approach to understand present practices in disease knowledge. The research has been peer-reviewed and is available in the journal Centaurus. [Extracted from the article]

A recent report from the Polytechnic University of Catalonia in Barcelona, Spain discusses the findings of research on hydroxyapatite-based materials in tissue engineering. The researchers highlight the importance of controlling the aspect ratio of hydroxyapatite crystals, which can lead to new functional materials with improved properties. These materials have a wide range of applications, including bone regeneration, catalysis, air and water purification, and protein separation. The research suggests that regulating the morphogenesis of hydroxyapatite crystals can result in flexible inorganic synthetic sponges, aerogels, membranes, and papers, with potential uses in sustainability, energy, catalysis, and the biomedical field. [Extracted from the article]

A recent report from Technical University Munich (TU Munich) discusses the findings of a biotechnology study on the development of silicon-based piezoresistive stress sensor arrays for use in flexible tactile skin. The study focuses on the application of bioinspired robotics and smart prostheses in the healthcare sector, particularly for rehabilitation and day-to-day assistance for patients. The research presents a fully integrated CMOS-based stress sensor design with a high dynamic range, capable of measuring local stress gradient and complete readout circuitry. The proposed concept involves integrating a network of sensor chips with flexible polymers to create a tactile smart skin. The study was supported by the German Research Foundation (DFG) and Deutscher Akademischer Austausch Dienst (DAAD). [Extracted from the article]

A recent study conducted at the University of Manchester in the United Kingdom explored the effects of graphene and graphene oxide on polycaprolactone (PCL) bone tissue engineering scaffolds. PCL scaffolds are commonly used in bone tissue engineering, and carbon nanomaterials like graphene and graphene oxide are often investigated to reinforce these scaffolds. The study found that the incorporation of graphene and graphene oxide improved certain surface properties and material characteristics of the scaffolds, but the variations in mechanical properties and cell metabolic activity depended on the type of reinforcement used. The results of this study provide insights for designing three-dimensional bone scaffolds with specific properties by adjusting the type and concentration of functional fillers. [Extracted from the article]

A recent study conducted by researchers at the Medical University of Warsaw in Poland provides an overview of organ donation and transplantation activities in the country from 2017 to 2022. The study utilized data from registries maintained by the Polish Transplant Coordinating Center Poltransplant, including the national waiting list, deceased donor registry, transplant registry, and live donor registry. The findings of the study were published in the journal Transplantation Proceedings and highlight the activities and publications of Poltransplant in disseminating information on transplantation medicine in Poland and abroad. This research has undergone peer review and provides valuable insights into organ transplantation in Poland. [Extracted from the article]

A study conducted by researchers from the National Research Council (CNR) in Rome, Italy, explores the potential of a biodegradable cellulose blend for use in flexible electronics. The researchers demonstrate that by blending two cellulose ethers, the mechanical and chemical properties of the substrate can be tailored to meet specific requirements. The study highlights the feasibility of using these biomaterials for photolithographic processes and fabricating resistive and capacitive sensors. The researchers conclude that these biomaterials offer sustainable and versatile options for advancements in various fields. [Extracted from the article]

A recent study from the University of Copenhagen introduces the concept of "skinnedness" as a new way to understand skin in various forms, including human, animal, organic, and artificial. The research explores the unique qualities of skin and its potential for writing on, drawing from works by various artists and writers. This peer-reviewed research offers a philosophically and historically informed perspective on the topic, emphasizing the aesthetic and symbolic dimensions of skin. For more information, readers can refer to the article "sit Venia Verbo: a Case for Dermacriticism" in Orbis Litterarum. [Extracted from the article]

A recent study conducted by researchers at the University of Roma 'Tor Vergata' in Italy explores the use of computational modeling to understand cell motility and cluster formation in enzyme-sensitive hydrogels for tissue engineering applications. The study aims to provide computational-based support for the formation of neo-tissue, particularly in the initial phase where cells move through a polymeric scaffold and compact into clusters. The researchers found that the micro-environment properties of the hydrogel significantly impact cell crawling, suggesting the potential for a predictive computational-aided optimization tool for tissue growth in bioprinted scaffolds. The study was supported by Regione Lazio and has been peer-reviewed. [Extracted from the article]

A study conducted at Cardiff University in the United Kingdom has developed biocompatible polymers modified with copper ions and the thrombin inhibitor argatroban. The modified polymers demonstrated improved thromboresistance and antimicrobial properties. The immobilized argatroban on the polymers inhibited platelet aggregation and adhesion, while also inhibiting the adhesion, growth, and viability of Staphylococcus aureus and Escherichia coli. This research provides evidence that modifying PVC and PU surfaces with copper and argatroban can create materials with dual antithrombotic and antibacterial functions. [Extracted from the article]

A new report from researchers at the National Research Council (CNR) in Rome, Italy, explores the behavior of droplets in microfluidic systems. The study focuses on the impact of varying opening angles and injection rates on droplet deformation and arrangement. Using deep-learning techniques, the researchers analyze multiple frames from flow-focusing experiments to characterize droplet deformation and the propensity to form a hexagonal spatial arrangement. The findings suggest that there is an optimal opening angle for minimal shape deformations and maximal hexagonal arrangement. This research has implications for the design of microchips used in cellular transport and tissue engineering applications. [Extracted from the article]

A recent study conducted by researchers at the University of Lille in France has introduced a new concept for encoding microwave signals using an artificial neuron called the Morris-Lecar Artificial Neuron (ML AN). The researchers found that by applying a continuous wave microwave signal to the ML AN, spike encoding of the signal occurred, with the output spike frequency varying based on the magnitude of the microwave voltage signal. The study demonstrated that this method achieved an ultra low power consumption of less than 100 pW. The research has been peer-reviewed and more information can be obtained from the University of Lille. [Extracted from the article]

A recent study conducted at Jagiellonian University in Krakow, Poland, has explored the potential of Coherent Raman Spectroscopy (CRS) in the fields of biomedicine, life sciences, and material sciences. The study highlights the limited practical application of CRS techniques, such as Coherent Anti-Stokes Raman Scattering (CARS) and Stimulated Raman Scattering (SRS) spectroscopy or microscopy. The researchers emphasize the need for increased awareness, reliable protocols, and research networks to further develop CRS approaches. The study provides a historical background, assesses challenges, and presents future development visions for CRS. Financial support for the research was provided by Deutscher Akademischer Austausch Dienst (DAAD). [Extracted from the article]

Researchers from the University of Grenoble-Alpes in France have conducted a study on the feasibility of an implantable active artificial larynx. They used electromyography to measure the stylohyoid and posterior digastric muscles, as well as surface electrodes to measure the submental muscles. The study found that the stylohyoid and posterior digastric muscles showed a net increase in potential for detection compared to the submental muscles, suggesting that they could be used to protect the airway during swallowing. The research was supported by the Region Auvergne-Rhone-Alpes and has been peer-reviewed. [Extracted from the article]

A recent report from Skane University Hospital in Malmo, Sweden discusses the early history of tissue preservation and transplantation. The research highlights the pioneering work of Carl August Ljunggren, who was the first to preserve human skin in vitro and propose the use of tissue banks. Ljunggren's contributions predate the commonly recognized work of Alexis Carrel, who received a Nobel Prize in 1912 for his work on vascular suture and organ transplantation. The report aims to correct the lack of awareness surrounding Ljunggren's achievements and provides a brief biography of his life. [Extracted from the article]

A new report discusses research findings on tissue engineering in the field of biomedical engineering. The report focuses on the development of intimal hyperplasia, a chronic inflammatory disease that narrows and occludes vein grafts commonly used in coronary artery bypass grafting. The researchers conducted a systematic review of studies that utilized large animal models to study vein graft disease, with a specific focus on the use of external stents/mesh as a therapeutic intervention. The research concludes that large animal models are valuable for understanding the pathophysiological processes of intimal hyperplasia. [Extracted from the article]

Researchers at Lodz University of Technology in Poland have conducted a literature review on the methods of functionalization of carbon fibers for tissue engineering applications. The research explores the advantages and disadvantages of modifying carbon fibers, with a focus on their use in medicine. The study highlights the potential for physical and chemical modifications to enhance the properties of carbon fibers and incorporate biologically active compounds. This research was supported by the National Science Centre in Poland and has been peer-reviewed. [Extracted from the article]

A recent study conducted by researchers from the University of Bern in Switzerland explores the use of guided bone regeneration (GBR) in implant dentistry. GBR is a surgical technique that utilizes barrier membranes and bone fillers to promote bone healing and stability in implant patients. The study reflects 35 years of development and progress with GBR, including advancements in surgical techniques, selection criteria for different approaches, and efforts to reduce surgical trauma and patient morbidity. The research concludes by discussing some remaining questions related to GBR. This study provides valuable insights for those interested in tissue engineering and regenerative medicine in the field of dentistry. [Extracted from the article]

A research study conducted at the Medical University of Lublin in Poland developed an analytical procedure for determining the levels of zinc (Zn) in human blood. The study used the response surface methodology (RSM) to establish the optimal operational settings for the ICP-OES method, taking into account spectral and chemical interferences. The study also analyzed the effectiveness of two wet decomposition methods and found that calibration with the matrix of most abundant elements provided high-accuracy determination. The methodology was validated using certified material and real blood samples. This research was published in the Journal of Elementology and was financially supported by the Medical University of Lublin. [Extracted from the article]

A recent article from the Italian Institute of Technology discusses the use of microfluidic fiber spinning in regenerative medicine. Microfluidics, which combines bioactive materials with microfluidic chips, has shown promise in spinning cell-laden fibers with specific characteristics. However, these fibers do not fully replicate the complex 3D architecture of biological tissues. The article explores the combination of microfluidics with 3D bioprinting technologies to create sophisticated microfibers that can serve as the backbone of 3D structures. The potential and challenges of using microfluidic chips for bioprinting in tissue engineering and regenerative medicine are also discussed. [Extracted from the article]

A new study from the University of Groningen in the Netherlands explores the use of 3D printing in creating scaffolds for tissue engineering and regenerative medicine. The researchers discuss different 3D printing methods and their ability to produce scaffolds with bio-instructive properties, which guide cell behavior and tissue regeneration. The study highlights the importance of carefully choosing physical and biochemical cues based on the targeted application. The researchers propose future directions in bio-instructive materials development, including metamaterials, hybrid living materials, and 4D printing. This research contributes to the design of materials with controlled cellular responses and the advancement of engineered tissue. [Extracted from the article]

A recent report from the National University of Distance Education (UNED) in Madrid, Spain, explores the theory of deep learning from a theoretical physics perspective. Deep learning machines, which are computational models composed of multiple processing layers, are still deployed in a heuristic manner despite decades of research. The report models deep learning machines as disordered physical systems and examines their macroscopic behavior in terms of the interactions between artificial neurons. The study provides new insights into the theory of deep learning and offers a practical methodology to assess their expected learning and generalization capabilities. The research has been peer-reviewed and published in Physica A Statistical Mechanics and its Applications. [Extracted from the article]