4.6 Article

3D nanoporous Ag@BSA composite microspheres as hydrogen peroxide sensors

Journal

ANALYST
Volume 138, Issue 19, Pages 5559-5562

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3an00533j

Keywords

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Funding

  1. Shandong Provincial Natural Science Foundation, China [ZR2012BM021]
  2. Project of Shandong Province Higher Educational Science and Technology Program [J10LF02, J11LB03]
  3. National Natural Science Foundation of China [21104030]

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3D nanoporous Ag@BSA composite microspheres were successfully prepared through a protein-directed approach. Electrochemical measurements show that the nanoporous Ag@BSA composite microspheres exhibit excellent electrocatalytic activity towards the reduction of H2O2. A linear range of 5 mu M-1.5 mM and a lower detection limit of 0.16 mu M were recorded. The sensing performance might be attributed to the 3D micro/nano architecture and nanoporous characters.

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