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Magnetic Membrane Gating: Single‐Pore Membranes Gated by Microelectromagnetic Traps (Adv. Mater. 25/2010)
Author(s) -
Basore Joseph R.,
Lavrik Nickolay V.,
Baker Lane A.
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201090085
Subject(s) - microscale chemistry , materials science , microcoil , microporous material , membrane , nanotechnology , oak ridge national laboratory , magnetic field , ion transporter , ion , trap (plumbing) , electromagnetic coil , optoelectronics , electrical engineering , composite material , chemistry , physics , biochemistry , mathematics education , mathematics , organic chemistry , quantum mechanics , meteorology , nuclear physics , engineering
On p. 2759 Lane Baker and co‐workers from Indiana University and Oak Ridge National Laboratory describe electromagnetic micropores for the control of ion transport. Current passed through a single‐turn microcoil focuses a magnetic field gradient, creating a trap at a micropore in the center of the coil. Magnetic fluids trapped in the electromagnetic trap can be used to gate the flux of ions through the micropore, in a manner reminiscent of biological ion channels. Further applications in nano‐/microscale transport and sensor development are evident.
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