Quantitation of biomolecules conjugated to nanoparticles by enzyme hydrolysis

F. McKenzie, V. Steven, A. Ingram, D. Graham

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


A novel method for quantifying biomolecules immobilised onto gold and silver nanoparticles is reported; fluorescent-labelled antibodies and DNA are hydrolysed on the surface of the nanoparticles by the addition of trypsin and DNase I, respectively, resulting in the release of the quantifiable fluorescent label into the bulk solution.
Original languageEnglish
Pages (from-to)2872-2874
Number of pages2
JournalChemical Communications (London)
Issue number20
Publication statusPublished - 31 Mar 2009


  • biomolecules
  • gold nanoparticles
  • silver nanoparticles
  • immobilised biomolecules
  • fluorescent-labelled antibodies
  • DNA

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