نتایج جستجو برای: selenium nanoparticles

تعداد نتایج: 121223  

Journal: :Applied sciences 2023

Selenium nanoparticles (SeNPs) are the object of great interest due to their potential be used in many areas industry and medicine. Work is still underway on synthesis methods; however, green methodologies becoming more popular. In this study, aqueous extracts black tea as well infusions popular herbs such chamomile mint were SeNPs serving Se(IV) reducers its nano form. The influence reagents c...

Journal: :Coatings 2021

Within the framework of this study, effect nanoparticles essential trace element selenium stabilized by Polyvinylpirrolidone (PVP) C15 (8 ± 2 kDa) and ascorbic acid on germination barley seeds has been studied. Selenium PVP acid, characterized a spherical shape, monodisperse size distribution, diameter about 70 5 nm, were obtained chemical reduction method. The experiment compared selenous seed...

Journal: : 2023

Introduction. Due to the rapid development of nanotechnology, selenium nanoparticles (NPs) have recently attracted much attention due their unique physical and chemical properties for biomedical applications, in particular treatment oncological diseases. The review considers nanoparticles, which are widely studied field oncology. Text. This is devoted analysis scientific literature on anticance...

Journal: :The international journal of biotechnology 2021

This study aimed at intracellular biosynthesis of selenium nanoparticles using Lactobacillus pentosusADEB (LP) and the greenly fabricated were characterized based on visual observation, spectroscopy, microscopy, energy dispersive X-rays, X-ray Diffraction, dynamic light scattering properties. The antibacterial activities (LP-SeNPs) against selected foodborne pathogens evaluated. A gradual chang...

2012
Patricia Rodríguez-Fragoso Jorge Reyes-Esparza Angel León-Buitimea Lourdes Rodríguez-Fragoso

BACKGROUND Semiconductor Quantum dots (QDs) have become quite popular thanks to their properties and wide use in biological and biomedical studies. However, these same properties entail new challenges in understanding, predicting, and managing potential adverse health effects following exposure. Cadmium and selenium, which are the major components of the majority of quantum dots, are known to b...

2014
Amir Nasrolahi Shirazi Rakesh K. Tiwari Donghoon Oh Brian Sullivan Anil Kumar Yousef A. Beni Keykavous Parang

A cyclic peptide composed of five tryptophan, four arginine, and one cysteine [W5R4C] was synthesized. The peptide was evaluated for generating cyclic peptide-capped selenium nanoparticles (CP-SeNPs) in situ. A physical mixing of the cyclic peptide with SeO3(-2) solution in water generated [W5R4C]-SeNPs via the combination of reducing and capping properties of amino acids in the peptide structu...

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