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Anisotropic Poly(vinylidene fluoride--trifluoroethylene)/MXene Aerogel-Based Piezoelectric Nanogenerator for Efficient Kinetic Energy Harvesting and Self-Powered Force Sensing Applications.
ACS Appl Mater Interfaces
January 2025
Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum 695 019, Kerala, India.
Lightweight flexible piezoelectric devices have garnered significant interest over the past few decades due to their applications as energy harvesters and wearable sensors. Among different piezoelectrically active polymers, poly(vinylidene fluoride) and its copolymers have attracted considerable attention for energy conversion due to their high flexibility, thermal stability, and biocompatibility. However, the orientation of polymer chains for self-poling under mild conditions is still a challenging task.
View Article and Find Full Text PDFPelvic ring fracture and erectile dysfunction (PERFECD) - 3 year follow-up cross sectional study.
Eur J Trauma Emerg Surg
January 2025
Faculty of Medicine, University of Zurich, Raemistrasse 71, 8006, Zurich, Switzerland.
Introduction: Pelvic ring fractures are known to be associated with complications associated with adjacent organ injuries, such as the urogenital tract (e.g. erectile dysfunction (ED), which are sometimes diagnosed in a delayed fashion.
View Article and Find Full Text PDFPhotoinduced stereoselective reactions using pyridinium salts as radical precursors.
Chem Commun (Camb)
January 2025
Department of Chemistry, Institute of Technology Delhi, Hauz Khas, New Delhi 110-016, India.
Pyridinium salts are amine surrogates that are abundant in nature and the redox active nature of the pyridinium salts allows them to serve as precursors for generating radical species under mild conditions that can be initiated by light, heat or metal catalysis. The stereoselective formation of products has always been a topic of interest for synthetic chemists worldwide. In this context, pyridinium salts can readily undergo single electron reduction to form a neutral radical, and the N-X bond's subsequent fragmentation furnishes the X radical without any harsh reaction conditions.
View Article and Find Full Text PDFSubventricular Accumulation of Cu in the Aging Mouse Brain Does Not Associate with Anticipated Increases in Markers of Oxidative Stress.
ACS Chem Neurosci
January 2025
School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley, WA 6845, Australia.
Natural aging is associated with mild memory loss and cognitive decline, and age is the greatest risk factor for neurodegenerative diseases, such as Alzheimer's disease. There is substantial evidence that oxidative stress is a major contributor to both natural aging and neurodegenerative disease, and coincidently, levels of redox active metals such as Fe and Cu are known to be elevated later in life. Recently, a pronounced age-related increase in Cu content has been reported to occur in mice and rats around a vital regulatory brain region, the subventricular zone of lateral ventricles.
View Article and Find Full Text PDFEvaluating the Efficacy of Siddha Pharmacotherapy for Acrochordon: A Case Report.
Cureus
December 2024
Department of Gunapadam, Maria Siddha Medical College and Hospital, Thiruvattar, IND.
Skin tags, medically known as acrochordons, are harmless growths of the epidermis that commonly develop in areas where the skin folds, such as the neck, armpits, or groin. While usually asymptomatic, these lesions can cause discomfort from rubbing or cosmetic issues. They are more prevalent in middle-aged and older individuals and are often correlated with conditions such as obesity, diabetes, and insulin resistance.
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