Nanoplasmonic detection of adenosine triphosphate by aptamer regulated self-catalytic growth of single gold nanoparticles

  • Qing Liu
  • , Chao Jing
  • , Xiaoxue Zheng
  • , Zhen Gu
  • , Di Li*
  • , Da Wei Li
  • , Qing Huang
  • , Yi Tao Long
  • , Chunhai Fan
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

We present a nanoplasmonic aptasensor for adenosine triphosphate (ATP) by using single gold nanoparticles (GNPs) as probes. The specific aptamer-ATP binding induced conformational change could modulate the surface-dependent self-catalytic growth of GNPs, which enabled the detection of ATP with ultra-sensitivity and selectivity.

Original languageEnglish
Pages (from-to)9574-9576
Number of pages3
JournalChemical Communications
Volume48
Issue number77
DOIs
StatePublished - 29 Aug 2012
Externally publishedYes

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