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Synthesis of chiral mesoporous silica nanoparticles for the adsorptive removal of the chiral insecticide sulfoxaflor from water.
Nanoscale Adv
December 2024
Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University Taif 21944 Saudi Arabia.
Mesoporous materials have garnered significant interest because of their porous structure, large surface area and ease of surface functionalization to incorporate the functional groups of choice. Herein, chiral mesoporous silica nanoparticles (CMSNPs) were prepared using quaternary amino silane as the template, tetramethyl orthosilicate as the silica source and proline and cellulose as chiral selector. The developed CMSNPs were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), elemental analysis, Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction analysis, BET surface area analysis and BJH pore size/volume analysis.
View Article and Find Full Text PDFA simple, economical, and high-yield method for polyethylene glycol-based extraction of follicular and serum-derived extracellular vesicles.
Tzu Chi Med J
October 2024
Center for Prevention and Therapy of Gynecological Cancers, Department of Research, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan.
Objectives: The optimization of polyethylene glycol (PEG)-based extracellular vesicles (EVs) extraction from human follicular fluid (FF) and serum was investigated, and their functional analysis was confirmed. The PEG-based EV results were compared to the ExoQuick (ExoQ)-based EV.
Materials And Methods: FF-EVs and serum-EVs were extracted by using different concentrations of PEG (8000).
CeFe nanofibrous carbon nanozyme integrated with smartphone for the point-of-care testing of norfloxacin in water.
J Pharm Anal
October 2024
School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China.
The overuse of antibiotics has led to the severe contamination of water bodies, posing a considerable hazard to human health. Therefore, the development of an accurate and rapid point-of-care testing (POCT) platform for the quantitative detection of antibiotics is necessary. In this study, Cerium oxide (CeO) and Ferrosoferric oxide (FeO) nanoparticles were simultaneously encapsulated into N-doped nanofibrous carbon microspheres to form of a novel nanozyme (CeFe-NCMzyme) with a porous structure, high surface area, and N-doped carbon material properties, leading to a considerable enhancement of the peroxidase (POD)-like activity compared with that of the CeO or FeO nanoparticles alone.
View Article and Find Full Text PDFNovel silver nanoparticle-based biomaterials for combating biofilms.
Front Microbiol
January 2025
Laboratory of Biotechnology, Department of Microbiology, Agricultural Research Center, Animal Health Research Institute, Zagazig, Egypt.
Background: is a significant nosocomial pathogen that has developed resistance to multiple antibiotics, often forming biofilms that enhance its virulence. This study investigated the efficacy of a novel nanoformulation, AgNPs@chitosan-NaF, in combating biofilms.
Methods: Antimicrobial susceptibility testing was performed to assess the antibiotic resistance profile of isolates.
Mass production of ultrasmall MnO nanoparticles for glutathione responsive off-on / switching magnetic resonance imaging and tumor theranostics.
RSC Adv
January 2025
State Key Laboratory of Crystal Materials, Shandong University Jinan Shandong 250100 P.R. China
Individual theranostics with an integrated multifunction holds considerable promise for clinical application compared with multicomponent regimes. MnO nanoparticles with an ultrasmall size (4 nm) and mass production capability were developed with dual function of integrated tumor magnetic resonance imaging (MRI) and therapy. The high valence state of MnO nanocrystals enables a sensitive reaction with the glutathione (GSH) molecule and favorable decomposition ability, which further induces a unique, favorable, variable turn-off and turn-on MRI property.
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