Journal
PHYSICAL REVIEW LETTERS
Volume 103, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.128103
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Funding
- NIGMS NIH HHS [R01 GM065830] Funding Source: Medline
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Many biological channels perform highly selective transport without direct input of metabolic energy and without transitions from a closed to an open state during transport. Mechanisms of selectivity of such channels serve as an inspiration for creation of artificial nanomolecular sorting devices and biosensors. To elucidate the transport mechanisms, it is important to understand the transport on the single molecule level in the experimentally relevant regime when multiple particles are crowded in the channel. In this Letter we analyze the effects of interparticle crowding on the nonequilibrium transport times through a finite-length channel by means of analytical theory and computer simulations.
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