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J Biochem Biophys Methods. 1999 Jan 13;38(1):43-52.

Fluorometric method for the enzymatic determination of cholesterol.

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1
Molecular Probes, Inc., Eugene, OR 97402, USA.

Abstract

A fluorometric method for the enzymatic determination of cholesterol content has been developed using a novel fluorogenic H2O2 probe, Amplex Red. This assay is performed in a 96-well microplate, and it is a one-step method amenable to automated procedures. Using commercially available cholesterol, our assay allows detection of 5 pmol (2 ng) cholesterol per well, which is 100-fold more sensitive than published fluorometric and colorimetric methods. When applied to the measurement of cholesterol levels in serum and food samples, the Amplex Red-based method has been found more attractive since the oxidation product of the Amplex Red method has superior long wavelength spectra which are less susceptible to interference from the biological compounds.

PMID:
10078872
[Indexed for MEDLINE]
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