Synthesis and characterization of cationic amino functionalized polystyrene latexes |
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Authors: | T. Delair V. Marguet C. Pichot B. Mandrand |
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Affiliation: | (1) Unité Mixte BioMérieux-CNRS, 46, allée d' Italie, 69364 Lyon Cedex 07, France |
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Abstract: | Amino-functionalized latex particles were obtained batchwise by emulsion copolymerization of styrene and vinylbenzylamine hydrochloride (VBAH) in the presence of 2-2-Azobis(2-amidinopropane) HCl (V50). Size monodispersity of the particles was improved by using divinylbenzene (DVB) as a third monomer at a 2% molar ratio. Surface amino group titration was performed spectrometrically with N-succinimidyl 3-(2 pyridyldithio)propionate (SPDP). The yields of functional monomer incorporation were up to 85%. |
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Keywords: | Emulsion polymerization functionalized particles amino groups antibodies DNA probes immobilization |
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