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AgGaS and Derivatives: Design, Synthesis, and Optical Properties.
Nanomaterials (Basel)
January 2025
College of Electronic and Optical Engineering and College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
Silver gallium sulfide (AgGaS) is a ternary ABX-type semiconductor featuring a direct bandgap and high chemical stability. Structurally resembling diamond, AgGaS has gained considerable attention as a highly promising material for nonlinear optical applications such as second harmonic generation and optical parametric oscillation. In attempts to expand the research scope, on the one hand, AgGaS-derived bulk materials with similar diamond-like configurations have been investigated for the enhancement of nonlinear optics performance, especially the improvement of laser-induced damage thresholds and/or nonlinear coefficients; on the other hand, nanoscale AgGaS and its derivatives have been synthesized with sizes as low as the exciton Bohr radius for the realization of potential applications in the fields of optoelectronics and lighting.
View Article and Find Full Text PDFNew insights into chitosan-Ag nanocomposites synthesis: Physicochemical aspects of formation, structure-bioactivity relationship and mechanism of antioxidant activity.
Int J Biol Macromol
January 2025
Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea; Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea. Electronic address:
Herein, a novel approach to the controlled formation of chitosan-Ag nanocomposites (NCs) with different structures and tunable chemical/biological properties was proposed. The chitosan-Ag NCs were obtained using hydrothermal synthesis and varying the concentrations of components. The hypothesis of chitosan-Ag NC synthesis using polysaccharide coils as a "microreactor" system was confirmed.
View Article and Find Full Text PDFShelf-life enhancement of silver carp fillets using psyllium gum/sodium-alginate coatings incorporated with essential oil and CuO nanoparticles.
Food Sci Technol Int
January 2025
Department of Food Hygiene, Science and Research Branch, Islamic Azad University, Tehran, Iran.
In the present study, the effects of psyllium gum/sodium-alginate (PG/SA) coatings incorporated with essential oil (HEO) and copper oxide nanoparticles (CuO NPs) on various properties of silver carp fillets were investigated and monitored over 15 days of chilled storage condition (4 °C ± 1). The control sample (uncoated), PG/SA with 3% CuO NPs, PG/SA with 1% HEO, and PG/SA with 3% CuO NPs and 1% HEO (PG/SA-HC) were examined through chemical, microbial, and sensory analysis. The results revealed that the PG/SA-HC sample after 15 days of refrigeration demonstrated a significantly lower value than the others for total viable counts (8.
View Article and Find Full Text PDFChronic rhinosinusitis with nasal polyps: Key considerations in the multidisciplinary team approach.
Clin Transl Allergy
January 2025
Department of ENT, University of Leuven, Leuven, Belgium.
Background: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a recurrent inflammatory disease associated with several comorbidities and a significant disease burden for patients. Treatments include corticosteroids and sinonasal surgery, but these can be associated with the risk of adverse events and nasal polyp recurrence. Biologic treatments such as mepolizumab can be used as an add-on treatment and are effective at reducing surgery and corticosteroid use.
View Article and Find Full Text PDFChallenges of E-Waste Dismantling in China.
Toxics
November 2024
School of Public Health, Zhejiang Chinese Medical University, 548 Binwen Road, Hangzhou 310053, China.
Electronic and electrical products have deeply permeated all aspects of life, bringing a lot of convenience to individuals. However, the generation of e-waste after their end-of-life has resulted in serious risks both to the ecological environment and human health due to a lack of scientific and effective recycling and treatments. As two major types of components in e-waste, heavy metals and plastics can not only directly enter the human body via inhalation, ingestion, and skin absorption, but also accumulate in the human body indirectly through the food chain.
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