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

Etery Sharon; Ronit Freeman; Itamar Willner

doi:10.1021/ac101456x

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

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

144 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 language	English
Pages (from-to)	7073-7077
Number of pages	5
Journal	Analytical Chemistry
Volume	82
Issue number	17
DOIs	https://doi.org/10.1021/ac101456x
State	Published - 1 Sep 2010

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

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.",

author = "Etery Sharon and Ronit Freeman and Itamar Willner",

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AU - Freeman, Ronit

AU - Willner, Itamar

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N2 - 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.

AB - 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.

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

Abstract

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