Issue 8, 1987

Energy transfer in spherical geometry. Application to micelles

Abstract

A model for long-range dipole–dipole energy transfer in spherical geometry is presented which, from steady-state or time-resolved fluorescence measurements, enables the determination of the relative positions of donor and acceptor inside the sphere. Its application to micelles (sodium dodecyl sulphate, SDS, and Triton X-100) did not lead to a quantitative determination of the position of the probes [n-(9-anthroyloxy) stearic acids, n-AS, (n= 2, 3, 6, 9, 12) and functional rhodamine and cyanine dyes], and this fact is attributed to probe-induced perturbations on the micellar structure. The results obtained lead to the following conclusions: (i) functional probes in micelles have specific radial positions and (ii) the perturbed region is a preferential solubilization site for a second probe.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans. 2, 1987,83, 1391-1410

Energy transfer in spherical geometry. Application to micelles

M. N. Berberan-Santos and M. J. E. Prieto, J. Chem. Soc., Faraday Trans. 2, 1987, 83, 1391 DOI: 10.1039/F29878301391

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