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Determination of zinc complexation with an immobilized reagent for the analysis of environmental objects.
Talanta
January 2025
National University of Uzbekistan Named After Mirzo Ulugbek, Tashkent, 100174, Uzbekistan.
Although significant progress has been made in the effective measurement of Zn(II), Аlizarin red S (ARS) was immobilized on polyethylene polyamine-modified polyacrylonitrile (PPF-1) via a new matrix. This approach allows the detection of low levels of Zn(II) ions in various water samples via preconcentrated atomic absorption spectrometry. The use of PPF-1 in a polymer matrix for zinc preconcentration presents several advantages over traditional sorbtion-spectroscopic methods, including reduced cost, high zinc recovery, increased sensitivity, and selectivity.
View Article and Find Full Text PDFAssessing spinel zinc ferrite nanoparticles in aquatic ecosystems: Toxic threat or beneficial detoxifier for aquatic life?
Aquat Toxicol
December 2024
Çanakkale Onsekiz Mart University, School of Graduate Studies, Çanakkale, Turkey. Electronic address:
The effectiveness of magnetic nanoparticles in removing pollutants during water treatment is well established, but their introduction into aquatic ecosystems raises significant toxicity concerns. This study investigates the histological and physiological effects of zinc ferrite magnetic nanoparticles (ZnFeOMNPs) on the Mediterranean mussel (Mytilus galloprovincialis) and examines the impact of concurrent exposure to these nanoparticles and the insecticide thiomethoxam (TMX). Mussels were exposed to nominal concentrations of ZnFeOMNPs (1, 10, 100 mg/L) both individually and with TMX.
View Article and Find Full Text PDFDevelopment and validation of a UPLC-MS/MS method for simultaneous quantification of polymyxins and caspofungin in human plasma for therapeutic drug monitoring.
J Chromatogr B Analyt Technol Biomed Life Sci
January 2025
School of Pharmacy, Lanzhou University, Lanzhou 730030 China; Department of Pharmacy, The Second Hospital & Clinical Medical School, Lanzhou University, Lanzhou 730030 China. Electronic address:
Objective: To develop a rapid, convenient, accurate, and low-residual-effect ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method for the determination of polymyxin B sulfate and colistin sulfate in the blood of patients with multidrug-resistant bacterial infections, as well as caspofungin acetate in the blood of patients with fungal infections, thus facilitating the rational use of antibiotics in clinical applications.
Methods: All analytes were diluted with 0.2 % aqueous formic acid, and plasma proteins were precipitated using acetonitrile.
Unveiling the physicochemical, photocatalytic, antibacterial and antioxidant properties of MWCNT-modified AgO/CuO/ZnO nanocomposites.
RSC Adv
January 2025
School of Material Science and Engineering, Nanjing Tech University P. R China.
Water pollution, oxidative stress and the emergence of multidrug-resistant bacterial strains are significant global threats that require urgent attention to protect human health. Nanocomposites that combine multiple metal oxides with carbon-based materials have garnered significant attention due to their synergistic physicochemical properties and versatile applications in both environmental and biomedical fields. In this context, the present study was aimed at synthesizing a ternary metal-oxide nanocomposite consisting of silver oxide, copper oxide, and zinc oxide (ACZ-NC), along with a multi-walled carbon nanotubes modified ternary metal-oxide nanocomposite (MWCNTs@ACZ-NC).
View Article and Find Full Text PDFComparative Histological Assessment of Zinc Oxide Nanoparticles and Low-Power Laser Treatment at 810nm Wavelength on the Recovery of Second-Degree Burn Wounds in Rat Models.
Int J Low Extrem Wounds
January 2025
Laser Physics Department, College of Science for Women, University of Babylon, Hillah, Iraq.
The utilization of zinc oxide nanoparticles is thought to augment wound healing because of their antibacterial characteristics and capacity to stimulate cellular regeneration, especially in instances of minor burn injuries. On the other hand, it has been shown that tissue regeneration is aided by low-power laser therapy via photobiomodulation. Zinc oxide nanoparticles and low-power laser therapy are the two therapeutic modalities that will be compared in this study in order to assess how well they promote healing after burn injury and provide important new information on improved wound care techniques.
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