نتایج جستجو برای: ag tio_2
تعداد نتایج: 43662 فیلتر نتایج به سال:
Objective(s): Silver nanoparticles (Ag NPs) are not only specific physical and chemical properties but also are considered for their antibacterial activity and ecofriendly.Materials and Methods:In this study a simple, cost effective biologically method for Ag+reducing to Ag NPs using Echinops extractas a stabilizer, and reducing agent.Ag NPs were analyzed using UV-Vis spectrometry,TEM, XRD and ...
ige-mediated cell signaling, induced by cross-linking of high affinity receptor for ige (fcεri) in the presence of antigen (ag), is a well known mechanism described for mast cell activation in allergy and hypersensitivity reactions, which induces a spectrum of cellular responses such as secretion and up-regulation of cell surface fcεri. although for several years ige binding to fcεri was ...
Background: Nanoparticles (NPs) are colloidal systems with particles ranging from 10 to 100 nm in diameter. Because of their large surface-volume ratio, NPs are biologically active materials that could interact with biomolecules and microorganisms, enter into the cells, and affect the metabolic functions. The study aimed to biosynthesize silver nanoparticles (Ag-NPs) from Capparis spinosa fruit...
Introduction: Because of advancement in nanotechnology, the use of Ag Nanoparticles (NPs) was increased in a wide range of area. Studies that were done in recent years demonstrated that Ag NPs can induce cytotoxicity in cells. One of the parts of UV radiation of sun is UVC (200 – 280 nm) that has antimicrobial effect. Since the effect of simultaneous use of NPs and UVC are sti...
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