Enhanced chemiluminescence for the oxidation of luminol with m -chloroperoxybenzoic acid catalyzed by microperoxidase 8

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ID: 260753
2014
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Abstract
The use of m-chloroperoxybenzoic acid (mCPBA) in stead of hydrogen peroxide causes an increase in chemiluminescence (CL) of luminol oxidation catalyzed by microperoxidase 8 (MP8) by an order of magnitude. The accelerated formation of an intermediate plays a major role in the CL enhancement, which also leads to a significant reduction in CL duration. The presence of guanidine hydrochloride, sodium carbonate, or sodium chloride further increases the CL emission drastically. The CL emission enhancement is strongly pH dependent. The enormous enhancement of the CL signal is due to an accelerated CL cycle and an improved CL efficiency in the presence of the enhancer. The CL signal covers several orders of magnitude over a wide range of concentrations of luminol and mCPBA. The intense CL of MP8-luminol-mCPBA in the presence of the enhancer will have great potential for extremely sensitive CL assays.
Reference Key
yeh2014analyticalenhanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hui-Chun Yeh;Wann-Yin Lin;Hui-Chun Yeh;Wann-Yin Lin;
Journal Analytical and bioanalytical chemistry
Year 2014
DOI doi:10.1007/s00216-001-1202-x
URL
https://dx.doi.org/10.1007/s00216-001-1202-x
Keywords
food science biochemistry analytical chemistry laboratory medicine general monitoring/environmental analysis characterization and evaluation of materials

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