2001
DOI: 10.1021/ma001079v
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Surface Imprinting of Cholesterol on Submicrometer Core−Shell Emulsion Particles

Abstract: Submicrometer surface-imprinted particles were prepared by a two-stage aqueous emulsion polymerization with a poly(divinylbenzene) shell over a cross-linked poly(styrene) core. The second stage polymerization was performed in the presence of a polymerizable surfactant (pyridinium 12-(4-vinylbenzyloxycarbonyl)dodecanesulfate, PS) and pyridinium 12-(cholesteryloxycarbonyloxy)dodecanesulfate (TS), which acted both as a surfactant and as a template. Removal of the template left hydrophobic cavities on the surface … Show more

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Cited by 126 publications
(58 citation statements)
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“…Core-shell particles are formed in a two-stage process from a seed latex; however, unlike the two-stage swelling (above) the seed particle (which may be cross-linked) is surrounded by a shell of new polymer in a second emulsion polymerization. This allows the imprinted sites to be positioned near 498,804 or at the surface [805][806][807] of the beads. In addition, superparamagnetic iron oxide particles can also serve as the core.…”
mentioning
confidence: 99%
“…Core-shell particles are formed in a two-stage process from a seed latex; however, unlike the two-stage swelling (above) the seed particle (which may be cross-linked) is surrounded by a shell of new polymer in a second emulsion polymerization. This allows the imprinted sites to be positioned near 498,804 or at the surface [805][806][807] of the beads. In addition, superparamagnetic iron oxide particles can also serve as the core.…”
mentioning
confidence: 99%
“…By choosing the appropriate support material, the particle size can be easily varied and specific properties such as fluorescence or magnetism of the core can be beneficial for separation or readout [32]. In this way, MIP nanoparticles for small molecules, e.g., cholesterol [33] but also for proteins, e.g., bovine hemoglobin [34] were prepared.…”
Section: Preparation Of Surface Imprinted Mipsmentioning
confidence: 99%
“…In case of emulsion polymerization, small beads are created in an oil-water biphasic system stabilized by surfactant. As an example, cholesterol was imprinted using pyridinium 12-(cholesteryloxycarbonyloxy)dodecane sulfate [16].…”
Section: Organic Polymersmentioning
confidence: 99%