8-Anilinonaphthalene-1-sulphonate interaction with whole and disrupted mitochondria: a re-evaluation of the use of double-reciprocal plots in the derivation of binding parameters for fluorescent probes binding to mitochondrial membranes

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Abstract
It is shown that 8-anilinonaphthalene-1-sulphonate is a permeant anion of whole mitochondrial membranes. It is also shown experimentally and algebraically that plots of reciprocal fluorescence against reciprocal membrane concentration, at a fixed 8-anilino-naphthalene-1-sulphonate concentration, are straight lines even when more than one binding site is involved.