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Yam starch-based sustainable edible films loaded with bioactive components from aroeira leaf extract: Mechanical, physical, and antioxidant properties.
Int J Biol Macromol
January 2025
Graduate Program in Food Science and Technology, Federal University of Paraíba, 58051-900 João Pessoa, Paraíba, Brazil. Electronic address:
This study aimed to investigate the impact of adding aroeira leaf extract (Schinus terebinthifolius Raddi) to a yam starch film matrix, focusing on the development of potentially active films and the evaluation of their physicochemical, mechanical, optical, and antioxidant properties. Films were produced using the casting method with varying extract concentrations (0, 3, 6, 12, and 15 %), yam starch (2 %), and glycerol (1 %). The antioxidant properties were analyzed by determining the total phenolic content, 2,2-Diphenyl-1-Picrylhydrazyl (DPPH) radical scavenging, ferric reducing power, and 2,2-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical elimination, which revealed a significant increase in antioxidant properties as the extract concentration increased.
View Article and Find Full Text PDFInterfacial mechanisms of enhanced photoluminescence in AgI-doped red light emitting perovskite quantum dot glass.
J Colloid Interface Sci
January 2025
Institute of Optoelectronic Materials and Devices, College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018 PR China. Electronic address:
Red light emitting perovskite quantum dot (PQD) glass, with narrow-band emission and excellent stability, holds great potential for applications in liquid crystal displays. However, its low photoluminescence quantum yield (PLQY) remains the biggest obstacle limiting its practical application. Additionally, the mechanism behind the enhancement of the PLQY is not well understood, which restricts the further improvement of the PLQY in red light emitting PQD glass.
View Article and Find Full Text PDFWearable textile sensors for continuous glucose monitoring.
Biosens Bioelectron
January 2025
School of Clinical Medicine, Discipline of Women's Health, Faculty of Medicine, University of New South Wales, Royal Hospital for Women, Sydney, Australia; Department of Maternal-Fetal Medicine, Royal Hospital for Women, Sydney, Australia. Electronic address:
Diabetes and cardiovascular disease are interlinked chronic conditions that necessitate continuous and precise monitoring of physiological and environmental parameters to prevent complications. Non-invasive monitoring technologies have garnered significant interest due to their potential to alleviate the current burden of diabetes and cardiovascular disease management. However, these technologies face limitations in accuracy and reliability due to interferences from physiological and environmental factors.
View Article and Find Full Text PDFEnhanced two-temperature model and its application in comprehensive analysis of femtosecond laser melting of gold, copper and their alloys.
Phys Chem Chem Phys
January 2025
Theoretical Physics Section, Bhabha Atomic Research Centre, Mumbai-400085, India.
Extensive research on ultrashort laser-induced melting of noble metals like Au, Ag and Cu is available. However, studies on laser energy deposition and thermal damage of their alloys, which are currently attracting interest for energy harvesting and storage devices, are limited. This study investigates the melting damage threshold (DT) of three intermetallic alloys of Au and Cu (AuCu, AuCu and AuCu) subjected to single-pulse femtosecond laser irradiation, comparing them with their constituent metals.
View Article and Find Full Text PDFComparative Study of Iminodibenzyl and Diphenylamine Derivatives as Hole Transport Materials in Inverted Perovskite Solar Cells.
Chemistry
January 2025
Friedrich-Alexander-Universität Erlangen-Nürnberg: Friedrich-Alexander-Universitat Erlangen-Nurnberg, Department of Materials Science and Engineering, Institute of Materials for Electronics and Energy Technology (i-MEET), Martensstraße 7, 91058, Erlangen, GERMANY.
Perovskite solar cells (PSCs) have recently achieved over 26% power conversion efficiency, challenging the dominance of silicon-based alternatives. This progress is significantly driven by innovations in hole transport materials (HTMs), which notably influence the efficiency and stability of PSCs. However, conventional organic HTMs like PTAA, although highly efficient, suffer from thermal degradation, moisture ingress, and high cost.
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