4.7 Article

Water-dispersible silicon dots as a peroxidase mimetic for the highly-sensitive colorimetric detection of glucose

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 51, Pages 6771-6774

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc01703j

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Funding

  1. National Natural Science Foundation of China [21375037, 21275037, 21305042]
  2. Scientific Research Fund of Hunan Provincial Science and Technology Department and Education Department [13JJ2020, 12A084]
  3. Doctoral Fund of Ministry of Education of China [20134306110006]

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We demonstrate that photoluminescent Si-dots exhibit intrinsic peroxidase-like activity, and can catalyze the oxidization of 3,3',5,5'-tetramethylbenzidine (TMB) by H2O2, and produce a color change. This strategy can be used to detect glucose with high sensitivity and selectivity.

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