An enzyme-free quartz crystal microbalance biosensor for sensitive glucose detection in biological fluids based on glucose/dextran displacement approach.

@article{Tang2011AnEQ,
  title={An enzyme-free quartz crystal microbalance biosensor for sensitive glucose detection in biological fluids based on glucose/dextran displacement approach.},
  author={Dianping Tang and Qunfang Li and Juan Tang and Biling Su and Guonan Chen},
  journal={Analytica chimica acta},
  year={2011},
  volume={686 1-2},
  pages={144-9}
}
A sensitive and facile quartz crystal microbalance (QCM) biosensor for glucose detection in biological fluids was developed by means of a displacement-type assay mode between glucose and its analogy dextran for concanavalin A (ConA) binding sites on a graphene-based sensing platform. To construct such a displacement-based sensor, phenoxy-derived dextran (DexP) molecules were initially assembled onto the surface of graphene-coated QCM probe via π-π stacking interaction, and ConA molecules were… CONTINUE READING
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