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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/33566
Title: Fluorescent-magnetic Janus particles prepared via seed emulsion polymerization
Authors: Chariya Kaewsaneha
Ahmad Bitar
Pramuan Tangboriboonrat
Duangporn Polpanich
Abdelhamid Elaissari
Universite de Lyon
Mahidol University
Thailand National Nanotechnology Center
Laboratoire d'Automatique et de Génie des Procédés
Keywords: Chemical Engineering;Materials Science
Issue Date: 15-Jun-2014
Citation: Journal of Colloid and Interface Science. Vol.424, (2014), 98-103
Abstract: Anisotropic polymeric colloidal or Janus particles possessing simultaneous magnetic and fluorescent properties were successfully prepared via the swelling-diffusion or the in situ emulsion polymerization method. In the swelling-diffusion process, magnetic emulsions (an organic ferrofluid dispersed in aqueous medium) were synthesized and used for seeds of submicron magnetic Janus particles. After swelling the anisotropic particles obtained by 1-pyrene-carboxaldehyde fluorescent dye dissolved in tetrahydrofuran, well-defined fluorescent-magnetic Janus particles were produced. In the in situ emulsion polymerization, styrene monomer mixed with fluorescent dye monomers, i.e., 1-pyrenylmethyl methacrylate (PyMMA) or fluorescein dimethacrylate (FDMA), and an oil-soluble initiator (2,2'-azobis(2-isobutyronitrile)) were emulsified in the presence of magnetic seed emulsions. The confocal microscopic images showed the fluorescent-magnetic Janus particles with high fluorescent intensity when a fluorescent crosslinker monomer FDMA was employed. © 2014 Elsevier Inc.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84897463039&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/33566
ISSN: 10957103
00219797
Appears in Collections:Scopus 2011-2015

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