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Published on: September 17, 2016
Tunable, colorimetric DNA-based pH sensors mediated by A-motif formation
Sonali Saha1, Kasturi Chakraborty, Yamuna Krishnan
1National Centre for Biological Sciences, TIFR, GKVK, Bellary Road, Bangalore 560065, India.
Abstract:
A colorimetric pH sensor has been developed based on GNP aggregation mediated by A-motif formation under acidic conditions. The pH response of the sensor can be tuned in the range of pH 2-5.5 by changing the length and the sequence of the A-motif forming poly dA tracts.

