Biosensing Platform Based on Fluorescence Resonance Energy Transfer from Upconverting Nanocrystals to Graphene Oxide
Angewandte Chemie International Edition2011Vol. 50(30), pp. 6851–6854
Citations Over TimeTop 1% of 2011 papers
Abstract
A glucose sensor based on FRET between concanavalin A (ConA)-labeled upconverting phosphor (UCP) nanocrystals and chitosan (CS)-labeled graphene oxide (GO) is presented. Binding of ConA to CS quenches the fluorescence of UCP, which is restored in the presence of glucose, owing to competition between glucose and CS for ConA (see picture).
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