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Reference type: Journal
Authors: Yang C, Zhang Y, Cao WQ, Ji XF, Wang J, Yan YN, Zhong TL, Wang Y
Article Title: Synthesis of Molecularly Imprinted Cryogels to Deplete Abundant Proteins from Bovine Serum.
Publication date: 2018
Journal: Polymers
Volume: 10
Issue: (1)
Page numbers: ArticleNo97.
DOI: 10.3390/polym10010097
Alternative URL: http://www.mdpi.com/2073-4360/10/1/97

Abstract: Molecularly imprinted polyacrylamide cryogels were synthesized with pending templates (bovine serums of different concentrations). As the serum concentrations increased in the monomer solutions, the resulting cryogels could adsorb and deplete more proteins from serum samples. Due to the addition of vinyltriethoxysilane (VTEOS) in the prepolymerizing solutions, the polymers came as organic-inorganic hybrid materials. It endued the silica-modified amphoteric polyacrylamide cryogels with improved mechanical strengths. Scanning electron micrography (SEM), Infrared (IR) spectrometry, thermogravimetry-differential thermal analysis (TG-DTA), and X-ray photoelectron spectroscopy (XPS) were carried out to characterize these macroporous polymers. Amphoteric cryogels proved to be favorable materials recognizing and binding proteins. When used as liquid chromatography stationary phases, they were capable of simultaneously adsorbing various serum proteins. Electrophoresis showed that abundant proteins were gradually depleted by the cryogels prepared from increased ratios of bovine serums in the monomer solutions. As abundant proteins are always imprinted first, this sample per se imprinting method provides an effective and convenient way to deplete abundant proteins from complex samples such as serums, meanwhile concentrating and collecting scarce species therein
Template and target information: pending templates, bovine serum
Author keywords: molecularly imprinted polymer, Cryogel, Bovine serum, abundant protein, depletion


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