Journal
CHEMICAL COMMUNICATIONS
Volume 52, Issue 17, Pages 3508-3511Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc09447j
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Funding
- National Research Foundation (NRF)
- NTU-A*Star Silicon Technologies Centre of Excellence [11235100003]
- Prime Minister's Office, Singapore, under its Campus for Research Excellence and Technological Enterprise (CREATE) Programme-Singapore Peking University Research Centre for a Sustainable Low-Carbon Future
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Naked-eye detection of H2O2 was realized based on the color change of gold nanoparticles upon aggregation. The removal of polyethylene glycol chains from the nanoparticle surface under H2O2 treatment let to the exposure of inner hydrophobic ligands, causing the nanoparticle aggregation in aqueous medium. This detection system shows a wide dynamic range in the M scale and a distinguishable limit of 10 mu M.
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