Preparation of thermo-responsive polymer brushes on hydrophilic polymeric beads by surface-initiated atom transfer radical polymerization for a highly resolutive separation of peptides

Aya Mizutani, Kenichi Nagase, Akihiko Kikuchi, Hideko Kanazawa, Yoshikatsu Akiyama, Jun Kobayashi, Masahiko Annaka, Teruo Okano

研究成果: ジャーナルへの寄稿学術誌査読

43 被引用数 (Scopus)

抄録

Poly(N-isopropylacrylamide-co-N-tert-butylacrylamide) [P(IPAAm-co-tBAAm)] brushes were prepared on poly(hydroxy methacrylate) (PHMA) [hydrolyzed poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate)] beads having large pores by surface-initiated atom transfer radical polymerization (ATRP) and applied to the stationary phases of thermo-responsive chromatography. Optimized amount of copolymer brushes grafted PHMA beads were able to separate peptides and proteins with narrow peaks and a high resolution. The beads were found to have a specific surface area of 43.0m2/g by nitrogen gas adsorption method. Copolymer brush of P(IPAAm-co-tBAAm) grafted PHMA beads improved the stationary phase of thermo-responsive chromatography for the all-aqueous separation of peptides and proteins.

本文言語英語
ページ(範囲)5978-5985
ページ数8
ジャーナルJournal of Chromatography A
1217
38
DOI
出版ステータス出版済み - 9月 2010

!!!All Science Journal Classification (ASJC) codes

  • 分析化学
  • 生化学
  • 有機化学

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