4.6 Article

Ultra-sensitive determination of silver nanoparticles by surface-enhanced Raman spectroscopy (SERS) after hydrophobization-mediated extraction

Journal

ANALYST
Volume 141, Issue 18, Pages 5261-5264

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6an01186a

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Funding

  1. USDA-NIFA [2015-67017-23070]
  2. USDA-NIFA Hatch Program [MAS 00475]

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An innovative and ultra-sensitive surface-enhanced Raman spectroscopic (SERS) method that uses a triple-functional surfactant ligand for nanoparticle surface binding, phase transfer and SERS signal reporting was developed for silver nanoparticle (AgNP) detection. The method was able to detect 100 ng L-1 of AgNPs in aqueous samples and 2 mu g g(-1) AgNPs in wheat plants.

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