E. Bamberg, H. -J. Apell, N. A. Dencher, W. Sperling, H. Stieve, P. Läuger
When purple-membrane fragments from Halobacterium halobium are added to one
aqueous phase of a positively-charged black lipid membrane, the membrane becomes
photoelectrically active. Under normal conditions the steady-state photo-current
is extremely low, but increases considerably when the lipid bilayer is doped
with proton-permeable gramicidin channels or with a lipophilic acid-base system.
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