Selective fluorescence detection of monosaccharides using a material composite formed between graphene oxide and boronate-based receptors

Xiaolong Sun, B. Zhu, D.-K. Ji, Q. Chen, X.-P. He, G.-R. Chen, T.D. James

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

We have developed a novel class of simple materials for sensing monosaccharides by the functionalization of graphene oxide (GO) with boronate-based fluorescence probes (BA1 and BA2). The composite materials were characterized by atomic force microscopy, Raman spectroscopy, and UV-vis/fluorescence spectroscopy. The strong fluorescence of the BA probes is quenched in the presence of GO through fluorescence resonance energy transfer. The BA@GO composite sensors formed provide a useful platform for fluorogenic detection of monosaccharides based on the strong affinity between the boronic acid receptor and monosaccharides. The BA@GO composite sensor displayed a "turn-on" fluorescence response with a good linear relationship toward fructose over a range of other saccharides.

Original languageEnglish
Pages (from-to)10078-10082
Number of pages5
JournalACS Applied Materials and Interfaces
Volume6
Issue number13
Early online date11 Jun 2014
DOIs
Publication statusPublished - Jun 2014

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