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Cited by 437

The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.

Real-time reliable determination of binding kinetics of DNA hybridization using a multi-channel graphene biosensor

Open access
Xu, Shicai, Zhan, Jian, Man, Baoyuan, Jiang, Shouzhen, Yue, Weiwei, Gao, Shoubao, Guo, Chengang, Liu, Hanping, Li, Zhenhua, Wang, Jihua, Zhou, Yaoqi·2017·Nature Communications

Abstract

Reliable determination of binding kinetics and affinity of DNA hybridization and single-base mismatches plays an essential role in systems biology, personalized and precision medicine. The standard tools are optical-based sensors that are difficult to operate in low cost and to miniaturize for high-throughput measurement. Biosensors based on nanowire field-effect transistors have been developed, but reliable and cost-effective fabrication remains a challenge. Here, we demonstrate that a graphene single-crystal domain patterned into multiple channels can measure time- and concentration-dependent DNA hybridization kinetics and affinity reliably and sensitively, with a detection limit of 10 pM for DNA. It can distinguish single-base mutations quantitatively in real time. An analytical model is developed to estimate probe density, efficiency of hybridization and the maximum sensor response. The results suggest a promising future for cost-effective, high-throughput screening of drug candidates, genetic variations and disease biomarkers by using an integrated, miniaturized, all-electrical multiplexed, graphene-based DNA array.

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Crossref · 10.1038/ncomms14902

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Metadata

Authors
Xu, S., Zhan, J., Man, B., Jiang, S., Yue, W., Gao, S., Guo, C., Liu, H., Li, Z., Wang, J., & Zhou, Y.
Venue
Nature Communications
Published
2017-03-21
Volume
8
Issue
1
Pages
14902-14902
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2603262868
Cited by
437
References
54
FWCI
16.69
Type
journal article
Language
en
Open access
gold

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