Screening interaction between ochratoxin A and aptamers by fluorescence anisotropy approach.

Abstract

By taking advantage of the intrinsic fluorescence of ochratoxin A (OTA), we present a fluorescence anisotropy approach for rapid analysis of the interactions between OTA and aptamers. The specific binding of OTA with a 36-mer aptamer can induce increased fluorescence anisotropy (FA) of OTA as the result of the freedom restriction of OTA and the increase of… (More)
DOI: 10.1007/s00216-013-6736-1

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