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Molecularly Imprinted Nanospheres by Nonaqueous Emulsion Polymerization

✍ Scribed by Gita Dvorakova; Robert Haschick; Khalid Chiad; Markus Klapper; Klaus Müllen; Andrea Biffis

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
322 KB
Volume
31
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

The preparation of nanosized, molecularly imprinted polymer particles by nonaqueous emulsion polymerization is presented. Monodisperse cross‐linked polymer nanospheres with a diameter of around 100 nm were synthesized using a standard monomer mixture of methacrylic acid and ethylene dimethacrylate, containing (±)‐propranolol as a template. The rebinding efficiency of the resulting particles was determined by batch rebinding tests and isothermal titration calorimetry (ITC). The results indicate that the proposed imprinting process under nonaqueous conditions lead to particles with an enhanced capacity of template rebinding compared to both nonimprinted ones and to particles obtained by more conventional emulsion polymerization in water. magnified image

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