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Cited by 892

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Graphene Fluorescence Resonance Energy Transfer Aptasensor for the Thrombin Detection

Chang, Haixin, Tang, Longhua, Wang, Ying, Jiang, Jianhui, Li, Jinghong·2010·Analytical Chemistry

Abstract

Combining nanomaterials and biomolecule recognition units is promising in developing novel clinic diagnostic and protein analysis techniques. In this work, a highly sensitive and specific fluorescence resonance energy transfer (FRET) aptasensor for thrombin detection is developed based on the dye labeled aptamer assembled graphene. Due to the noncovalent assembly between aptamer and graphene, fluorescence quenching of the dye takes place because of FRET. The addition of thrombin leads to the fluorescence recovery due to the formation of quadruplex-thrombin complexes which have weak affinity to graphene and keep the dyes away from graphene surface. Because of the high fluorescence quenching efficiency, unique structure, and electronic properties of graphene, the graphene aptasensor exhibits extraordinarily high sensitivity and excellent specificity in both buffer and blood serum. A detection limit as low as 31.3 pM is obtained based on the graphene FRET aptasensor, which is two orders magnitude lower than those of fluorescent sensors based on carbon nanotubes. The excellent performance of FRET aptasensor based on graphene will also be ascribed to the unique structure and electronic properties of graphene.

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Metadata

Authors
Chang, H., Tang, L., Wang, Y., Jiang, J., & Li, J.
Venue
Analytical Chemistry
Published
2010-02-24
Volume
82
Issue
6
Pages
2341-2346
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2051080992
Cited by
892
References
33
FWCI
36.74
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Graphene Fluorescence Resonance Energy Transfer Aptasensor for the Thrombin Detection. https://app.cochat.ai/papers/10.1021/ac9025384
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Chang, H., Tang, L., Wang, Y., Jiang, J., & Li, J. (2010). Graphene Fluorescence Resonance Energy Transfer Aptasensor for the Thrombin Detection. Analytical Chemistry. https://doi.org/10.1021/ac9025384

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