Abstract: Some embodiments of the present disclosure are directed to systems, methods and devices for controlling the transit of a molecule across a nanopore. Some embodiments are directed to a device comprising a first compartment, a second compartment, a first pair of electrodes comprising a first electrode provided in the first compartment and a second electrode provided in the second compartment, a partition separating the first compartment from the second compartment, an orifice provided in the partition, a second pair of electrodes arranged proximate the orifice, the second pair of electrodes being functionalized with molecules, and a tunnel gap comprising the spacing between the second pair of electrodes.