4.6 Article

Surface-enhanced photochromic phenomena of phenylalanine adsorbed on tungsten oxide nanoparticles: a novel approach for label-free colorimetric sensing

Journal

ANALYST
Volume 138, Issue 9, Pages 2536-2539

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3an36650b

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Funding

  1. MEXT Japan [24750069]
  2. Grants-in-Aid for Scientific Research [24750069] Funding Source: KAKEN

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The enhanced photochromic behaviors of the L-phenylalanine (Phe)-tungsten(VI) oxide (WO3) colloid binary aqueous solution have been investigated by means of UV-vis absorption spectrometry. The phenomena provided a potential use of the WO3 nanoparticles as a colorimetric probe for sensitive label-free detection of Phe.

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