The effect of long-chain fluorescence probes on the size of sodium dodecyl sulfate micelles

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Abstract

Results are presented for the aggregation number of sodium dodecyl sulfate (NaDS) micelles determined by the quenching of alkyl derivatives of the fluorescent probe ruthenium(II)tris(bipyridyl). A significant increase in the apparent aggregation number was observed for determinations using probes with alkyl chains greater than or equal to C12. Several other surface-active additives were also solubilized by NaDS micelles and their effect on the aggregation number studied.

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