Giacomello Lab

Sapienza University of Rome

Centro (IT) (ITI) · Italy

ERC-funded
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ERC Starting Grant · 2018

Hydrophobic Gating in nanochannels: understanding single channel mechanisms for designing better nanoscale sensors

Hydrophobic gating is the phenomenon by which the flux of ions or other molecules through biological ion channels or synthetic nanopores is hindered by the formation of nanoscale bubbles. Recent studies suggest that this is a generic mechanism for the inactivation of a plethora of ion channels, which are all characterized by a strongly hydrophobic interior. The conformation, compliance, and hydrophobicity of the nanochannels – in addition to external parameters such as electric potential, pressure, presence of gases – have a dramatic influence on the probability of opening and closing of the gate. This largely unexplored confined phase transition is known to cause low frequency noise in…

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