Abstract

The ability of weak inorganic acids (H2S, HCN) and lower carboxylic acids to interact with bilayer lipid membranes, change their conductivity, and act as protonophores has been investigated. The mechanism of changes in BLM conductivity was studied. Factors influencing the interaction of acids with model lipid membranes were determined. Maximum changes in conductivity were observed at pH values equal to the dissociation constants of weak acids and depend on the coefficients of distribution "octanol-water".

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