Membrane tension lowering induced by protein activity
classification
❄️ cond-mat.soft
cond-mat.other
keywords
loweringmembranepumpstensionactivatedactivitybacteriorhodopsincontaining
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We present measurements of the fluctuation spectrum of giant vesicles containing bacteriorhodopsin (BR) pumps using video-microscopy. When the pumps are activated, we observe a significant increase of the fluctuations in the low wavevector region, which we interpret as due to a lowering of the effective tension of the membrane.
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