Electron spin resonance spectroscopy for the study of nanomaterial-mediated generation of reactive oxygen species

被引：174

作者：

He, Weiwei ^{[1
,2
]}

Liu, Yitong ^{[2
]}

Wamer, Wayne G. ^{[2
]}

Yin, Jun-Jie ^{[2
]}

机构：

[1] Xuchang Univ, Inst Surface Micro & Nano Mat, Key Lab Micro Nano Mat Energy Storage & Convers H, Xuchang, Henan, Peoples R China

[2] US FDA, Ctr Food Safety & Appl Nutr, College Pk, MD 20740 USA

来源：

JOURNAL OF FOOD AND DRUG ANALYSIS | 2014年 / 22卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Electron spin resonance; Lipid peroxidation; Nanomaterials; Reactive oxygen species; ZERO-VALENT IRON; HACAT KERATINOCYTES-GENERATION; RADICAL SCAVENGING CAPACITY; SURFACE-PLASMON RESONANCE; SIZE-DEPENDENT GENERATION; SILVER NANOPARTICLES; SINGLET OXYGEN; OXIDATIVE STRESS; OXIDE NANOPARTICLES; GOLD NANOPARTICLES;

D O I：

10.1016/j.jfda.2014.01.004

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Many of the biological applications and effects of nanomaterials are attributed to their ability to facilitate the generation of reactive oxygen species (ROS). Electron spin resonance (ESR) spectroscopy is a direct and reliable method to identify and quantify free radicals in both chemical and biological environments. In this review, we discuss the use of ESR spectroscopy to study ROS generation mediated by nanomaterials, which have various applications in biological, chemical, and materials science. In addition to introducing the theory of ESR, we present some modifications of the method such as spin trapping and spin labeling, which ultimately aid in the detection of short-lived free radicals. The capability of metal nanoparticles in mediating ROS generation and the related mechanisms are also presented. Copyright (C) 2014, Food and Drug Administration, Taiwan. Published by Elsevier Taiwan LLC. All rights reserved.

引用

页码：49 / 63

页数：15

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