31P Labeled Cyclic Nitrones: A New Class of Spin Traps for Free Radicals in Biological Milieu

31P Labeled Cyclic Nitrones: A New Class of Spin Traps for Free Radicals in Biological Milieu
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31P 标记的环状硝酮:生物环境中自由基的新型自旋陷阱

DOI:
10.1007/978-94-017-1607-9_3
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发表时间:
1997
期刊:
Free radical research communications
影响因子:
--
通讯作者:
P. Tordo
P. Tordo
中科院分区:
--
文献类型:
--
作者:
S. Barbati;J. Clément;G. Olive;V. Roubaud;B. Tuccio;P. Tordo

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大量研究表明,氧源性自由基,包括超氧自由基和羟基自由基,参与介导多种病理状态,包括缺血/再灌注损伤验证这些活性自由基在介导细胞损伤中的作用是有限的,部分原因是我们在体内或至少在体外细胞模型中监测自由基反应的能力。在检测生物系统中超氧化物和羟基自由基的不同方法中,电子自旋共振(ESR)光谱结合自旋捕获提供了同时检测和表征这些瞬态反应中间体的机会该技术包括通过硝基或亚硝基化合物捕获瞬态自由基,以获得可使用常规ESR光谱观察到的持久的氮氧化物自旋加合物。
A large number of studies suggest that oxygen-derived radicals, including superoxide and hydroxyl radical, are involved in mediating a variety of pathological conditions, including ischemia/reperfusion injury.1 Verification of the role that these reactive radicals play in mediating cellular injury is limited, in part, to our ability to monitor radical reactions in vivo or at least in vitro cell models. Among the different methods for detecting superoxide and hydroxyl radicals in biological systems, electron spin resonance (ESR) spectroscopy combined with spin trapping offers the opportunity to simultaneously detect and characterize these transient reactive intermediates.2 This technique consists of trapping transient radicals by nitrone or nitroso compounds to give persistent nitroxide spin adducts that can be observed using conventional ESR spectroscopy.
DOI: 10.1016/0003-2697(89)90002-x
发表时间: 1989-02
影响因子: 2.9
作者:
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通讯作者: S. Pou;D. Hassett;B. Britigan;M. Cohen;G. Rosen
直接证据表明羟自由基在清醒狗的心肌“击晕”中发挥致病作用,并证明击晕可以显着减弱而不会产生后续不良反应。
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发表时间: 1993
影响因子: 20.1
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