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Mechanically Robust Mesoporous UiO-66-NH/Nanofibrous Aerogel for Organophosphonates Detoxification.
Adv Sci (Weinh)
March 2025
Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way, Raleigh, NC, 27695, USA.
There is a critical need for novel composite materials for high-performance chemical filtration and detoxification of organophosphonates (OPs) and other harmful compounds found in nerve agents, pesticides, and industrial processes. In this work, rapid hydrolysis of OPs using high-surface-area zirconium-based MOF-aerogel composites is demonstrated. Using a unique surfactant-templated solvothermal synthesis method, mesoporous UiO-66-NH grown on the fibers within a polyacrylonitrile (PAN)/polyvinylpyrrolidone (PVP) nanofibrous sponge can produce a 3D MOF-polymer matrix with a specific surface area of up to 900 m g -almost 2X larger than the highest previously reported values while maintaining robust mechanical integrity.
View Article and Find Full Text PDFChallenges in bird cryopreservation.
Cryo Letters
March 2025
Departamento de Produccion Agrícola y Animal, Universidad Autonoma Metropolitana Unidad Xochimilco Calzada del Hueso 1100 Coyoacan, 04960 Ciudad de Mexico, Mexico. and
Cryopreservation is a fundamental technique for preserving the structural and functional integrity of biological material, particularly for the conservation of genetic resources in avian species. Since its development in the 1940s, this technology has advanced significantly, although challenges persist, primarily due to the unique morphology of avian sperm, which complicates cryoprotectant penetration and increases the risk of structural damage. Overcoming these challenges is crucial for improving semen preservation, supporting the sustainability of avian species, and contributing to conservation efforts.
View Article and Find Full Text PDFCryoprotective effect of zinc and gold nanoparticles during cooling and freeze-thawing on Marwari stallion sperm parameters and reactive oxygen species production.
Cryo Letters
March 2025
College of Veterinary and Animal Sciences, Bikaner, Rajasthan, India.
Background: Sperm cryopreservation is one of the most important procedures in the development of biotechnologies for assisted reproduction. Cryopreservation of stallion spermatozoa tends to cause plasma membrane damage due to the low ratio of cholesterol to phospholipids. Different substances and compounds can be added to semen extenders to improve sperm quality.
View Article and Find Full Text PDFEffect of carnitine on Hariana bull spermatozoa function after cryopreservation.
Cryo Letters
March 2025
Department of Veterinary Gynaecology and Obstetrics, College of Veterinary Science and Animal Husbandry, Deendayal Upadhayaya Pashu Chikitsa Vigyan Viswavidyalaya Evam Go Anusandhan Sansthan, Mathura, 281001, Uttar Pradesh, India.
Background: Carnitine reduces reactive oxygen species-induced apoptosis and DNA fragmentation through its antioxidant effect.
Objective: To investigate the effect of carnitine on capacitation, mitochondrial activity, acrosomal integrity, reactive oxygen species (ROS), membrane fluidity, and DNA fragmentation during the cryopreservation of Hariana bull spermatozoa.
Materials And Methods: Thirty-two semen ejaculates were obtained using artificial vagina (AV) from four seemingly healthy Hariana bulls.
Disturbances in the gut microbiota potentially associated with metabolic syndrome among patients living with HIV-1 and on antiretroviral therapy at Bafoussam Regional Hospital, Cameroon.
Diabetol Metab Syndr
March 2025
Division of Molecular Biology, Indian Council of Medical Research - National Institute of Translational Virology and AIDS Research, 73 G MIDC Bhosari, Pune, 411026, India.
Background: This study investigates the gut microbiota components associated with metabolic syndrome in patients living with HIV-1 at Bafoussam Regional Hospital, West Cameroon, it focuses on gastrointestinal mucosal barrier disruption and dysbiosis, and their effects on persistent inflammation and metabolic disorders.
Methods: A pilot study was conducted involving fourteen patients living with HIV-1. The patients were divided into two groups of seven in each group.
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