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Biosensors Based on Nanomaterials and Nanodevices
book

Biosensors Based on Nanomaterials and Nanodevices

by Jun Li, Nianqiang Wu
December 2017
Intermediate to advanced content levelIntermediate to advanced
517 pages
21h 5m
English
CRC Press
Content preview from Biosensors Based on Nanomaterials and Nanodevices
361Bioelectronics on Graphene
measurements were made in dry-nitrogen conditions, they were effective in produc-
ing the negative-charge gating. These results further elucidate the high sensitivity of
graphene biosensors, which function effectively as a label-free DNA detector and a
molecular transistor.
In another study, Chen and Li developed a pristine graphene-based DNA detector.
62
Here, DNA is adsorbed on graphene device, which causes a shift of the Dirac point toward
lower voltages (Figure 14.10). Upon interfacing the G–DNA device with complementary
DNA, the resultant hybridization causes a further reduction in the Dirac point. Single pair ...
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Publisher Resources

ISBN: 9781466551527