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Characterization of polymeric vesicles of poly(sodium 11-acrylamidoundecanoate) in water
Authors:Rati Ranjan Nayak  Sumita Roy  Joykrishna Dey
Institution:(1) Department of Chemistry, Indian Institute of Technology, Kharagpur, 721 302, India
Abstract:A polysoap poly(sodium 11-acrylamidoundecanoate) was synthesized from sodium 11-acrylamidoundecanoate in water. The molecular weight of the polymer was determined by gel permeation chromatography and static light scattering techniques. Fluorescence probe studies in water have suggested the formation of hydrophobic domains within the same polymer chain. The microenvironment of the hydrophobic domains is highly ordered. The packing of the hydrocarbon chains in the hydrophobic domains formed by intra-chain association increases upon decrease of pH. The transmission electron micrograph revealed large vesicular aggregates in dilute aqueous solution. Temperature-dependent fluorescence anisotropy of the 1,6-diphenyl-1,3,5-hexatriene probe demonstrated stability of the vesicles.
Keywords:Polysoaps  Fluoresence  Vesicles
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