ArticleScientific reports2013
Sensitive detection of ozone by a practical resorufin-based spectroscopic probe with extremely low background signal.
Article in Scientific reports, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
Ozone (O3) has attracted much attention because of its key role in human health and disease, and its detection is of great importance for various biochemical studies as well as environmental evaluation. Here we develop a simple and practical spectroscopic off-on O3 probe based on resorufin and the specific reaction of but-3-enyl with O3. The probe shows an extremely low background spectroscopic signal, but reacts with O3 producing a distinct color and fluorescence change. The detection limit of the probe for O3 is 5.9 nM, which corresponds to an ozone concentration of 0.056 mg m(-3) in air in this study and is lower than the international ambient air quality standard of 0.1 mg m(-3). More importantly, the proposed probe is worth popularizing, and its applicability has been successfully demonstrated on both the determination of O3 in real ambient air samples and the imaging of O3 in biological cells.
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