Colorimetric biosensing of targeted gene sequence using dual nanoparticle platforms

@inproceedings{Thavanathan2015ColorimetricBO,
  title={Colorimetric biosensing of targeted gene sequence using dual nanoparticle platforms},
  author={Jeevan Thavanathan and Nay Ming Huang and Kwai Lin Thong},
  booktitle={International journal of nanomedicine},
  year={2015}
}
We have developed a colorimetric biosensor using a dual platform of gold nanoparticles and graphene oxide sheets for the detection of Salmonella enterica. The presence of the invA gene in S. enterica causes a change in color of the biosensor from its original pinkish-red to a light purplish solution. This occurs through the aggregation of the primary gold nanoparticles-conjugated DNA probe onto the surface of the secondary graphene oxide-conjugated DNA probe through DNA hybridization with the… CONTINUE READING

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