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Poly(ethyl Cyanoacrylate) Colloidal Particles Tagged With Rhodamine 6G: Preparation And Physicochemical Characterization

G. Yordanov, Zorka Bedzhova
Published 2011 · Chemistry

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AbstractThis paper describes the preparation and characterization of poly(ethyl cyanoacrylate) colloidal particles loaded with the organic fluorophore Rhodamine 6G. We studied the physicochemical properties of the colloidal particles: morphology, size-distribution, ζ-potential, fluorescent properties and photobleaching upon UV-light illumination. The properties of the obtained colloidal particles, as well as the dye loading efficiency, were found to depend on the concentrations of ethyl cyanoacrylate monomer and Rhodamine 6G in the polymerization medium. The fluorophore release from the colloidal particles in aqueous buffer is also studied.
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