Effects of intracellular sodium and potassium iontophoresis on membrane potentials and resistances in toad urinary bladder |
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Authors: | Javier Narvarte Arthur L Finn |
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Institution: | (1) Departments of Chemistry and Biochemistry/Biophysics, University of Pennsylvania, 19104 Philadelphia, Pennsylvania;(2) Department of Biology, Brookhaven National Laboratory, 11973 Upton, New York;(3) Present address: Department of Medicine, University of Connecticut, Health Center, 06032 Farmington, CT;(4) Present address: Helitrex Corp., P.O. 2041, 08540 Princeton, New Jersey |
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Abstract: | Conclusion The elastic X-ray/neutron diffraction techniques described in this review are currently capable of providing substantial information concerning the time-averaged structures and intermolecular ordering of molecular components within a dynamic membrane structure. In addition, the time resolution of the elastic X-ray diffraction technique, afforded by intense synchrotron and laser plasma X-ray sources, now permits this structural information to be obtained over a range of time scales from nanoseconds to milliseconds and upwards following an excitation of the membrane system. This time-averaged and time-resolved structural information may provide considerable insight into structure-function relationships in biological membranes and, especially when combined with structural information on the membrane proteins involved at atomic resolution, may provide this insight at the atomic level. |
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Keywords: | X-ray diffraction neutron diffraction resonance scattering membrane protein lipid bilayer time-averaged time-resolved elastic scattering |
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