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Small-angle neutron scattering from lecithin reverse micelles (Articolo in rivista)

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Small-angle neutron scattering from lecithin reverse micelles (Articolo in rivista) (literal)

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Alternative label

Aliotta, F and Fontanella, ME and Sacchi, M and Vasi, C and LaManna, G and TurcoLiveri, V (1996)
Small-angle neutron scattering from lecithin reverse micelles
in Journal of molecular structure (Print); Elsevier, Amsterdam (Paesi Bassi)
(literal)

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Aliotta, F and Fontanella, ME and Sacchi, M and Vasi, C and LaManna, G and TurcoLiveri, V (literal)

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Aliotta, F (Reprint Author), CNR,IST TECN SPETTOSCOPICHE,SALITA SPERONE 31,I-98166 MESSINA,ITALY. UNIV PALERMO,DIPARTIMENTO CHIM FIS,I-90123 PALERMO,ITALY. (literal)

Titolo

Abstract

We report new results of small-angle neutron scattering from cyclohexane-d(12)/lecithin/water micellar solutions, performed as a function of the water content, w(0), the temperature, T and the dispersed-phase volume fraction, phi. The data from dilute samples can be interpreted in terms of the existence of giant cylindrical reverse micelles, in good agreement with the current idea of an unlimited micellar growth with phi. In contrast, the appearance of a sharp interference maximum at high concentrations (phi > 0.15) suggests that the current hypothesis of a gel structure interpreted as a random network of entangled micelles can be assumed to be incorrect, and that there must be some caution in assuming analogies with neutral polymer-like systems. (literal)

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