The EPR technique of spin trapping for detection of superoxide radicals ( o_2 ~ ·) in plants

植物体内超氧物 自由 基（O2~·）检测的EPR自旋 捕捉技术

Method Hydroxyl radicals produced in Fenton reaction is determinated by ESR with spin trapping technique and the effects of antioxidants on eliminating hydroxyl radicals were related with the decrease of relative peak height of ESR spectra of DMPO-OH · adducts .

方法通过加入水溶性的抗氧化剂，减弱DMPO自旋 捕获Fenton反应产生的羟自由基的加合物（DMPO-OH·）信号强度，信号强度减弱的程度反映抗氧化剂清除 羟 自由 基的能力。

The hydroxyl radicals in high temperature alkali hydrogen peroxide system were studied . Dimethyl sulfoxide ( DMSO ) was used as the trapping agent for determining the production and concentration of the radicals .

利用二甲基亚砜（DMSO）作为 捕 集剂对高温碱性H2O2体系中羟自由 基的产生及浓度进行了分析。

Methods Comparing the spin trapping function in vitro and in vivo of some spin probes such as imidazole analogs nitroxide radicals ( IN ) Hemoglobin ( Hb ) N-methyl-D-glucamine dithiocarbamate and reduced iron ( MGD ) 2-Fe 2 + ) .

方法：自旋探针咪唑类氮氧 自由 基（IN）、血红蛋白（Hb）溶液和N-甲基-D-葡糖胺二硫代甲酸铁（MGD）2-Fe2+w_628 捕 集生物体内外的NO自由基。

By means of the spin trapping - ESR technique the influence of the tube diameters and moisture content in the sample on the radicals produced in the microwave discharge of fatty ether at low pressure has been studied systematically .

本文用自旋 捕捉 技术与ESR相结合方法，系统研究了放电管直径及水含量对低压下脂肪醚气相微波放电 分解 产生 自由 基的影响。

Spin trapping detection of hydroxyl radicals generated from boanmycin in Vitro

抗肿瘤抗生素博安霉素体外产生羟基 自由 基的自旋 捕捉&ESR研究

Using electron spin resonance ( ESR ) spin trapping technique we have studied the effects of sera and red blood cells from healthy people and patients with chronic renal failure on oxygen free radicals produced in xanthine xanthine oxidase system .

用电子自旋共振（ESR）自旋 捕 集技术研究了正常人和肾衰病人血清和红细胞对黄嘌呤黄嘌呤氧化酶体系产生的氧自由 基的作用。

Applying ESR spin trapping technique we got the spectrum of the lipid radicals generated from the lipid peroxidation of the mitochondrial membrane initiated by ferrous ion .

用ESR自旋 捕 集技术 捕捉到Fe2＋启动的心肌线粒体膜脂质过氧化过程中产生的脂类 自由 基L ·（aN＝15.6G，aH＝2.97G）。