نتایج جستجو برای: gold colloids nanoparticles gnps

تعداد نتایج: 184214  

2014
P. R. Sahoo Praveen Singh

Aim: The aim of the present study was to synthesize different sizes of gold nanoparticles (GNPs) and their characterization for use as a label in lateral flow assay particular for the detection of bluetongue in small ruminants. Materials and Methods: Size controlled synthesis of GNPs was done by using different concentration of sodium citrate. In this study, five different types of GNP were syn...

2010
Yao Zhou Wenshuang Lin Jiale Huang Wenta Wang Yixian Gao Liqin Lin Qingbiao Li Ling Lin Mingming Du

Biosynthesis of nanoparticles has arisen as a promising alternative to conventional synthetic methodologies owing to its eco-friendly advantages, and the involved bioprotocol still needs further clarification. This research, for the first time from the standpoint of statistics, confirmed an electrostatic force or ionic bond-based interaction between the chloroauric ions and the involved biocons...

2016
Donghyun Lee Dong Nyoung Heo Han-Jun Kim Wan-Kyu Ko Sang Jin Lee Min Heo Jae Beum Bang Jung Bok Lee Deok-Sang Hwang Sun Hee Do Il Keun Kwon

In recent years, gold nanoparticles (GNPs) have been reported to affect the regeneration of bone tissue. The goal of this study was to improve bone tissue regeneration by using targeted GNPs. We fabricated a functionalized GNPs conjugated with alendronate (ALD), of the bisphosphonate group. Subsequently, the ALD, GNPs, and ALD conjugated GNPs (GNPs-ALD) were analyzed by ultraviolet-visible abso...

Introduction: Many study shown the effectiveness dose enhancement with gold nanoparticles (GNPs), especially with low-energy x-rays. Recently, proton beam radiation therapy (PBRT) has attention as a treatment for tumors. The advantage in PBRT, which releases high dose at the controllable Bragg peak position that localized for Au target and the released dose increased in depth....

Journal: Nanomedicine Journal 2019

Objective(s): Normoxic MAGIC-f polymer gels are established dosimeters used for three dimensional dose quantifications in radiotherapy. Nanoparticles with high atomic number such as gold are novel radiosensitizers used to enhance doses delivered to tumors. The aim of this study was to investigate the effect of gold nanoparticles (GNPs) in enhancing percentage depth doses (PDDs) within the MAGIC...

Courtney Knaup Mansour Zabihzadeh Mehdi Ghorbani Mohammad Ali Behrooz Mozafar Naserpour, Toktam Moshirian

Introduction: To enhance the dose to tumor, the use of high atomic number elements has been proposed. Objective: The aim of this study is to investigate the effect of gold nanoparticle distribution on dose enhancement in tumor when the tumor is irradiated by typical monoenergetic X-ray beams by considering homogeneous and inhomogeneous distributions of gold nanoparticles (GNPs)...

In this research, WO3 and Au-WO3 thin films were prepared at different temperatures using the sol gel method. The effect of gold nanoparticles (GNPs) on the electrochromic properties of WO3 was also studied. 2.5 nm GNP was synthesized through sodium citrate reduction of gold chloride in an aqueous solution. These films were characterized by XRD, SEM, TEM, and spectrophotometer analyses. The fil...

2003
Christoffer Johans

This thesis considers the nucleation and growth, synthesis, and catalytic application of metallic nanoparticles at liquid|liquid interfaces. It comprises five publications, a previously unpublished synthesis of polymer coated palladium nanoparticles, and an introduction to the relevant literature. Three publications are concerned with electrodeposition of metal nanoparticles at liquid|liquid in...

2014
Weixi Liu Menashi A Cohenford Leslie Frost Champika Seneviratne Joel A Dain

Formation of advanced glycation end products (AGEs) by nonenzymatic glycation of proteins is a major contributory factor to the pathophysiology of diabetic conditions including senile dementia and atherosclerosis. This study describes the inhibitory effect of gold nanoparticles (GNPs) on the D-ribose glycation of bovine serum albumin (BSA). A combination of analytical methods including ultravio...

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