Measuring complexation by single-molecule fluorescence anisotropy

Literature Information

Publication Date 2008-04-02
DOI 10.1039/B800110C
Impact Factor 4.616
Authors

Sean M. Burrows, Dimitri Pappas


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Abstract

The complexation of a fluorescent probe by a target protein was observed by single-molecule fluorescence anisotropy. Free and bound states, heterogeneities, and rare binding events can all be observed by this approach. Fluorophore-conjugated biotin was used to bind to NeutrAvidin as a proof-of-concept case. Molecular interactions were observed that could not be elucidated with conventional (ensemble) measurements.

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