pH-Responsive Graphene Oxide-DNA Nanosystem for Live Cell Imaging and Detection.


The interaction between graphene oxide (GO) and DNA is very sensitive to the environment. For example, under acidic conditions, the affinity of GO for DNA is enhanced, weakening the capability of GO to distinguish DNAs with different conformations. This effect has impeded the development of sensitive pH biosensors based on GO-DNA nanosystems. In this work… (More)
DOI: 10.1021/acs.analchem.7b00369


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