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Influence of 7-day subfreezing storage on physicochemical, nutritional, and microstructural attributes of porcine longissimus thoracis et lumborum muscle.
J Food Sci
September 2024
School of Food Science, Henan Institute of Science and Technology, Xinxiang, China.
The effect of 7-day subfreezing storage on the physicochemical properties, nutritional composition, and microstructure of pork was investigated. After 7 days of chilling at 4°C, the meat exhibited color deterioration and the development of off-flavors. In contrast, the -12°C treatment significantly reduced the deterioration in water-holding capacity and color of samples (p < 0.
View Article and Find Full Text PDFImpact of environmental factors on spider silk properties.
Curr Biol
January 2024
Department of Biomaterials, Universität Bayreuth, Prof.-Rüdiger-Bormann-Str. 1, Bayreuth 95447, Germany; Bayreuther Zentrum für Kolloide und Grenzflächen, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95440, Germany; Bayreuther Materialzentrum, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95440, Germany; Bayreuther Zentrum für Molekulare Biowissenschaften, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95440, Germany; Bayrisches Polymerinstitut, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95440, Germany. Electronic address:
Spider orb webs have evolved to stop flying prey, fast and slow alike. One of the main web elements dissipating impact energy is the radial fibers, or major ampullate silks, which possess a toughness surpassing most man-made materials. Orb webs are extended phenotypes, and as such their architectural elements, including major ampullate silks, have been selected to optimize prey capture under the respective environmental conditions.
View Article and Find Full Text PDFPolylactide-Meso-Substituted Arylporphyrin Composites: Structure, Properties and Antibacterial Activity.
Polymers (Basel)
February 2023
Laboratory Advanced Composite Materials and Technologies 36 Stremyanniy, Plekhanov Russian University of Economics, Moscow 117997, Russia.
The structural features and antibacterial properties of polymer-porphyrin composites were investigated. Meso-substituted arylporphyrin 0.2-0.
View Article and Find Full Text PDFEstimating cost-effectiveness thresholds under a managed healthcare system: experiences from Colombia.
Health Policy Plan
March 2022
Head of Analytical, Economic and Actuarial Studies in Health, Instituto de Evaluación Tecnológica en Salud, Carrera 49A # 91-91, Bogotá, D.C., 111211, Colombia.
Like most of the world, low- and middle-income countries have faced a growing demand for new health technologies and higher budget constraints. It is necessary to have technical instruments to make decisions based on real-world evidence that allows maximization of the population's health with a limited budget. We estimated the supply-based cost-effectiveness elasticity, which was then used to determine the cost-effectiveness threshold for the healthcare system of Colombia, a middle-income country where multiple insurers, paid under capitation rules, manage the compulsory contributions of the citizens and government subsidies.
View Article and Find Full Text PDFCritical Frequency of Self-Heating in a Superelastic Ni-Ti Belleville Spring: Experimental Characterization and Numerical Simulation.
Sensors (Basel)
October 2021
Multidisciplinary Laboratory of Active Materials and Structures (LaMMEA), Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande 58429-140, Brazil.
The mechanical loading frequency affects the functional properties of shape memory alloys (SMA). Thus, it is crucial to study its effect for the successful use of these materials in dynamic applications. Based on the superelastic cyclic behavior, this work presents an experimental methodology for the determination of the critical frequency of the self-heating of a NiTi Belleville conical spring.
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