Blue emitting gold nanoclusters templated by poly-cytosine DNA at low pH and poly-adenine DNA at neutral pH

Chem Commun (Camb). 2012 Jul 11;48(54):6845-7. doi: 10.1039/c2cc32841k. Epub 2012 Jun 1.

Abstract

Blue fluorescent gold nanoclusters were prepared in the presence of poly-cytosine DNAs at low pH and poly-adenine at neutral pH using citrate as the reducing agent; various buffer conditions affecting the synthesis have been explored.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Citric Acid / chemistry
  • DNA / chemistry*
  • Gold / chemistry*
  • Hydrogen-Ion Concentration
  • Metal Nanoparticles / chemistry*
  • Poly A / chemistry*
  • Poly C / chemistry*
  • Spectrometry, Fluorescence

Substances

  • Poly A
  • poly(dA)
  • poly(dC)
  • Citric Acid
  • Poly C
  • Gold
  • DNA