The sites of superoxide anion generation in higher plant mitochondria. |
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| Authors: | P R Rich W D Bonner |
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| Institution: | Membrane Bioenergetics Group, University of California, Berkeley, California 94720 USA |
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| Abstract: | An impermeable charged paramagnetic amphiphile 4-(dodecyl dimethyl ammonium)-1-oxyl-2,2,6,6-tetramethyl piperidine bromide can be used as a probe of membrane surface potentials. Upon energization of photosystem II or photosystems I + II in illuminated spinach chloroplast thylakoids, a decrease occurs in the potential of the outer surface of these membranes of up to 14 mV. |
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| Keywords: | Mops 4-morpholinepropanesulfonic acid |
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