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Preparation and Evaluation of Core-Shell Resveratrol Molecularly Imprinted Microspheres / 分析化学
Chinese Journal of Analytical Chemistry ; (12): 129-132, 2010.
Artigo em Chinês | WPRIM | ID: wpr-404308
ABSTRACT
Employing resveratrol as template molecule, acrylamide as functional monomer and ethyleneglycol dimethacrylate as cross-linkers, a core-shell resveratrol imprinted microspheres was prepared based on the surface of SiO_2 with a surface imprinting technique.The molecularly imprinted microsphere was characterized by infrared spectroscopy and scanning electron microscopy, and the results showed that the surface grafting of molecularly imprinted polymer-shell particle on SiO_2 was successful and the particles were evenly distributed.High performance liquid chromatography was also used to investigate the imprinted microsphere adsorption per formance, and the results showed that the imprinted microsphere exhibited good recognition performance.The maximum adsorption capacities were Q_(maxl)=9.087 mg/g and Q_(max2)= 13.80 mg/g by the model of Scatchard analysis.The imprinted micospheres was applied to separate resveratrol from the extraction of rhizoma polygoni cuspidate successfully.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Analytical Chemistry Ano de publicação: 2010 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Analytical Chemistry Ano de publicação: 2010 Tipo de documento: Artigo