Abstract
Reactive oxygen species (ROS) such as superoxide anion radical (O2-. ) play an essential role on normal cellular growth and homeostasis. However, excess ROS generated by perturbing O2-. homeostasis under various conditions of oxidative stress induce high radical toxicity, resulting in many diseases such as cancer, brain and myocardial infarction, and inflammation. Quantitative analysis of O2-. by a convenient method is a subject of intense research, since most of ROS are derived from O2-. . In situ real-time measurement of O2-. is very important to understand the relevance of ROS to many diseases. Recent progress in electrochemical sensors for the facile detection of O2-. , including biosensors utilizing a variety of metalloproteins as sensing elements for O2-. and very recently developed all-synthetic sensors with a high selectivity for O2-. detection, is reviewed. Emphasis is placed on the possibility of the all-synthetic sensor for convenient in vivo measurement of ROS.
Keywords: photodynamic therapy, DNA cleavage, BIOSENSORS, Superoxide Dismutase, Iron protoporphyrin, microelectrode
Current Organic Chemistry
Title: Electrochemical Detection and Sensing of Reactive Oxygen Species
Volume: 9 Issue: 16
Author(s): Makoto Yuasa and Kenichi Oyaizu
Affiliation:
Keywords: photodynamic therapy, DNA cleavage, BIOSENSORS, Superoxide Dismutase, Iron protoporphyrin, microelectrode
Abstract: Reactive oxygen species (ROS) such as superoxide anion radical (O2-. ) play an essential role on normal cellular growth and homeostasis. However, excess ROS generated by perturbing O2-. homeostasis under various conditions of oxidative stress induce high radical toxicity, resulting in many diseases such as cancer, brain and myocardial infarction, and inflammation. Quantitative analysis of O2-. by a convenient method is a subject of intense research, since most of ROS are derived from O2-. . In situ real-time measurement of O2-. is very important to understand the relevance of ROS to many diseases. Recent progress in electrochemical sensors for the facile detection of O2-. , including biosensors utilizing a variety of metalloproteins as sensing elements for O2-. and very recently developed all-synthetic sensors with a high selectivity for O2-. detection, is reviewed. Emphasis is placed on the possibility of the all-synthetic sensor for convenient in vivo measurement of ROS.
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Cite this article as:
Yuasa Makoto and Oyaizu Kenichi, Electrochemical Detection and Sensing of Reactive Oxygen Species, Current Organic Chemistry 2005; 9 (16) . https://dx.doi.org/10.2174/138527205774610921
DOI https://dx.doi.org/10.2174/138527205774610921 |
Print ISSN 1385-2728 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5348 |
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