4.7 Article

A simple and sensitive colorimetric pH meter based on DNA conformational switch and gold nanoparticle aggregation

Journal

CHEMICAL COMMUNICATIONS
Volume -, Issue 46, Pages 6149-6151

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b812660g

Keywords

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Funding

  1. National Natural Science Foundation of China [20331020, 20325101, 20473084]
  2. CAS
  3. Jilin Province

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A simple and rapid colorimetric pH meter has been developed based on the conformational switch of i-motif DNA and non-crosslinking AuNP aggregation, the average accuracy of the nano-meter was found to be +/- 0.04 pH unit across the physiological operating range.

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