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http://dx.doi.org/10.1001/jamainternmed.2024.4343 | DOI Listing |
Macromol Rapid Commun
January 2025
Institute of Polymer Optoelectronic Materials and Devices, Guangdong Basic Research Center of Excellence for Energy and Information Polymer Materials, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China.
Simultaneous improvement in power conversion efficiency (PCE) and device stability is very important for organic solar cells (OSCs). Herein, oligothiophene-based polymer W19 with excellent solvent resistance is exploited as a polymer thin layer to optimize the active layer morphology and then device efficiency and stability. Polymer W19 possesses a simple skeleton of trifluromethyl-substituted dithienoquinoxaline and quaterthiophene, whose thin layer shows suitable energy level, low surface energy, and strong interchain aggregation, leading to outstanding solvent resistance and excellent hole transport ability.
View Article and Find Full Text PDFGMS Interdiscip Plast Reconstr Surg DGPW
December 2024
University Center for Orthopedics, Trauma and Plastic Surgery, Department of Plastic and Hand Surgery, University Hospital Carl Gustav Carus at the TU Dresden, Germany.
Background: Significant osseous defects or osteonecrosis, precipitated by open fractures, infections, or neoplastic conditions, represent infrequent yet critical medical conditions. The free vascularized fibular graft (FVFG) is a challenging but straightforward, reliable surgical intervention for the reconstruction of defects across various anatomical regions. This study aims to compare, quantify, and demonstrate the FVFG's versatility.
View Article and Find Full Text PDFIowa Orthop J
January 2025
University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
Background: Recognizing ACL injuries on the field and in the office can be very challenging in awake and apprehensive patients. Despite high specificity, many published "pivot-shift" techniques have limited acceptance mainly because of unsatisfactory sensitivity. We describe in detail, four specific modifications and provide a critical review of our clinical experiences to empower the new user's readiness to master a novel screening procedure for ACL disruption.
View Article and Find Full Text PDFIntroduction: Advanced glycation end products (AGEs) play a critical role in the development of vascular diseases in diabetes. Although stem cell therapies often involve exposure to AGEs, the impact of this environment on extracellular vesicles (EVs) and endothelial cell metabolism remains unclear.
Methods: Human umbilical cord mesenchymal stem cells (MSCs) were treated with either 0 ng/ml or 100 ng/ml AGEs in a serum-free medium for 48 hours, after which MSC-EVs were isolated.
Nanoscale
January 2025
Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907, USA.
Chalcogenide perovskites are gaining prominence as earth-abundant and non-toxic solar absorber materials, crystallizing in a distorted perovskite structure. Among these, BaZrS has attracted the most attention due to its optimal bandgap and its ability to be synthesized at relatively low temperatures. BaZrS exhibits a high light absorption coefficient, excellent stability under exposure to air, moisture, and heat, and is composed of earth-abundant elements.
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