CdSe/ZnS quantum dots-G-quadruplex/hemin hybrids as optical DNA sensors and aptasensors

Etery Sharon, Ronit Freeman, Itamar Willner*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

142 Scopus citations

Abstract

The luminescence of CdSe/ZnS QDs is quenched via electron transfer by hemin/G-quadruplex associated with the particles. This phenomenon is implemented to develop DNA sensors or aptasensors by tailoring hairpin-functionalized QDs that generate the hemin/G-quadruplex quenchers upon sensing of the respective analytes.

Original languageEnglish
Pages (from-to)7073-7077
Number of pages5
JournalAnalytical Chemistry
Volume82
Issue number17
DOIs
StatePublished - 1 Sep 2010

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