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  A Poisson-Nernst-Planck-Fermi Theory in Bioelectricity and Electrochemistry
 

 

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時間:10月20日(四) 13:20

題目:A Poisson-Nernst-Planck-Fermi Theory in Bioelectricity and Electrochemistry

講者:劉晉良 教授兼理學院院長

服務單位: 國立新竹教育大學 應用數學系

地點:本校基礎科學教學研究大樓1樓 157室

對象:本所博士生及碩士生、或其他有興趣之師生

摘要:
A continuum-molecular theory --- Poisson-Nernst-Planck-Fermi theory --- has been developed in recent years for simulating
ionic flows in biological ion channels under physiological or experimental conditions by treating ions and water of any size
as non-uniform hard spheres with interstitial voids, polarization of water, and correlations of ions. The theory can also
be used to study thermodynamic and electric properties of electrolyte solutions that are essential components in batteries,
fuel cells, nanopores, porous media, geothermal brines, the oceanic system, etc. to name just a few.
The theory can compute electric and steric potentials from all atoms in a protein and all ions and water molecules
in channel pore while keeping electrolyte solutions in the extra- and intracellular baths as a continuum dielectric medium.
The PNPF model has been verified with the experimental data of L-type calcium channel, gramicidin A channel,
and sodium/calcium exchanger with real structures from Protein Data Bank. It was also verified with the experimental or
Monte Carlo data of electric double-layer capacitor and ion activities in aqueous electrolyte solutions.

 

 

 

 

     
 
最後公告日期: 2016/10/17
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