Here we propose a new approach to tailor nanopores, which combines both pH gating and sensing properties. This strategy is based on PEG like-avidin grafting in nanopores designed by atomic layer deposition (ALD). Below pH 5 the nanopore is blocked. We show that the PEG chains are at the origin of these properties.
M. Lepoitevin, G. Nguyen, M. Bechelany, E. Balanzat, J. Janot and S. Balme, Chem. Commun., 2015, 51, 5994 DOI: 10.1039/C4CC10087E
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