نتایج جستجو برای: proton conductive membranes
تعداد نتایج: 174809 فیلتر نتایج به سال:
Alkaline polyelectrolyte fuel cell now receives growing attention as a promising candidate to serve as the next generation energy-generating device by enabling the use of non-precious metal catalysts (silver, cobalt, nickel et al.). However, the development and application of alkaline polyelectrolyte fuel cell is still blocked by the poor hydroxide conductivity of anion exchange membranes. In o...
Linli Zhang, Shiyun Meng, Ze Zhang Faculty of Medicine, Laval University; Saint-François d’Assise Hospital Research Center, CHUQ, Quebec, QC, Canada. Statement of Purpose: Polypyrrole (PPy) is an important intrinsically conducting polymer studied for tissue engineering and bioelectrical applications. Its composites with biodegradable polylactide (PLLA) can be used as substrate for electrically ...
Electrophysiological experiments showed that the light-activated cation channel channelrhodopsin-2 (ChR2) pumps protons in the absence of a membrane potential. We determined here the kinetics of transient pH change using a water-soluble pH-indicator. It is shown that ChR2 released protons prior to uptake with a stoichiometry of 0.3 protons per ChR2. Comparison to the photocycle kinetics reveale...
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