1D chain fluorescein-functionalized gold and silver nanoparticles as new optical mercury chemosensor in aqueous media

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Abstract

A colorimetric system using noble metal nanoparticles (NPs), for the detection of small concentrations of mercury ion (Hg2+) in water is described. Fluorescein-functionalized Au and Ag NPs were self-assembled into networks of one-dimensional chains in the presence of mercury(II) by chelation process; this causes an easily optical measurable change in the absorption spectrum of the particles in aqueous solution. © 2013 Springer Science+Business Media Dordrecht.
Original languageEnglish
Article number1828
JournalJournal Of Nanoparticle Research
Volume15
Issue number8
DOIs
Publication statusPublished - 2013

Keywords

  • 1D chains
  • Chemosensors
  • Fluorescein
  • Gold nanoparticles
  • Mercury
  • Silver nanoparticles
  • 1-D chains
  • Chemo-sensors
  • Gold Nanoparticles
  • Absorption spectroscopy
  • Chains
  • Gold
  • Mercury (metal)
  • Metal nanoparticles
  • Physiology
  • Silver
  • fluorescein
  • gold nanoparticle
  • mercury
  • silver nanoparticle
  • absorption spectroscopy
  • aqueous solution
  • article
  • controlled study
  • matrix assisted laser desorption ionization time of flight mass spectrometry
  • molecular sensor
  • optics
  • priority journal

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