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Wednesday, November 21, 2012

Optimizing Diffusive Transport Through a Synthetic Membrane Channel

Stefano Pagliara, Christian Schwall, Ulrich F. Keyser

Channel-facilitated transport is investigated by introducing a novel, synthetic model system at the microscale. Colloidal particle flux is increased beyond the limit of free diffusion by introducing an attractive and tunable binding potential created by holographic optical tweezers. The optimal potential depth enhances the diffusive current by a factor of three.
DOI
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