Selective removal and quantification of Cu(II) using fluorescent iminocoumarin-functionalized magnetic nanosilica

Chem Commun (Camb). 2012 May 25;48(42):5082-4. doi: 10.1039/c2cc18113d. Epub 2012 Feb 17.

Abstract

A newly prepared iminocoumarin-functionalized magnetic nanosilica (Ni@SiO(2)-1) was found to form a selective stable complex with Cu(2+) over other metal ions. Quantification of Cu(2+) ions in aqueous solution using Ni@SiO(2)-1 is demonstrated through a fluorescent demetallization ensemble process.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Coordination Complexes / chemistry
  • Copper / analysis*
  • Copper / isolation & purification
  • Coumarins / chemistry*
  • Ions / chemistry
  • Magnetics*
  • Nanoparticles / chemistry*
  • Nanoparticles / ultrastructure
  • Nickel / chemistry
  • Silicon Dioxide / chemistry*
  • Spectrometry, Fluorescence*

Substances

  • Coordination Complexes
  • Coumarins
  • Ions
  • Silicon Dioxide
  • Copper
  • Nickel