Facile formation of stimuli-responsive, fluorescent and magnetic nanoparticles based on cellulose stearoyl ester via nanoprecipitation
作者： Andreas Geissler , Daniel Scheid , Wei Li , Markus Gallei , Kai Zhang
DOI: 10.1007/S10570-014-0412-2
关键词: Organic chemistry 、 Materials science 、 Polymer 、 Polysaccharide 、 Rhodamine B 、 Nanoparticle 、 Cellulose 、 Nuclear chemistry 、 Fluorescence 、 Magnetic nanoparticles 、 Aqueous solution
摘要: In comparison to stimuli-responsive, multi-functional nanoparticles (NPs) from synthetic polymers, such NPs based on sustainable, naturally occurring polysaccharides are still scarce. the present study, stable fluorescent and magnetic were fabricated using cellulose stearoyl esters (CSEs) consisting of groups. The multifunctional with average diameters between 80 250 nm obtained after facile nanoprecipitation CSE solutions containing Fe3O4-NPs. Using aqueous solution rhodamine B as precipitant, NP surface obtained. Rhodamine could be released depending temperature. comparison, stearoylaminoethyl can encapsulated in CSE-NPs, which renders reversible fluorescence response UV illumination heat treatment.
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