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Improved graphene-based transistors to detect disease-causing genes

Sunday, February 26, 2017 5:48
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Researchers in India and Japan have developed an improved method for using graphene-based transistors to detect disease-causing genes.

The team improved sensors that can detect genes through DNA hybridization, which occurs when a ‘probe DNA’ combines with its complementary ‘target DNA.’ Electrical conduction changes in the transistor when hybridization occurs. The improvement was done by attaching the probe DNA to the transistor through a drying process. This eliminated the need for a costly and time-consuming addition of ‘linker’ nucleotide sequences, which have been commonly used to attach probes to transistors.



Source: http://www.graphene-info.com/improved-graphene-based-transistors-detect-disease-causing-genes

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