Preparation of multifunctional glycopolymers using double orthogonal reactions and the effect of electrostatic groups on the glycopolymer–lectin interaction

Takahiro Oh, Kazuki Jono, Yuri Kimoto, Yu Hoshino, Yoshiko Miura

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

We investigated synthetic biomacromolecules to control molecular interactions. Multifunctional glycopolymers for molecular recognition were prepared via living radical polymerization and post-click chemistry with orthogonal Huisgen and thiol-epoxy reactions. The synthesis of the polymer backbone and the subsequent side-chain introduction successfully proceeded in high yield. The multifunctional glycopolymers had a tri-block structure: the first and third blocks contained mannose, and the second block contained either a positively or negatively charged group or a neutral hydrophilic group. The molecular recognition of the glycopolymers toward lectin was evaluated via fluorescence quenching measurements. Because of the electrostatic interaction, the binding constant varied in the following order: positively charged glycopolymer (PT110) > negatively charged glycopolymer (NT110). The effect of the electrostatic interactions was modest compared with the effect of the carbohydrate–lectin binding. These results suggested that the carbohydrate–lectin interaction was an important factor in the molecular recognition of glycopolymers. This study provides guidelines for the preparation of multifunctional polymers, such as biomaterials.

本文言語英語
ページ(範囲)1299-1308
ページ数10
ジャーナルPolymer Journal
51
12
DOI
出版ステータス出版済み - 12 1 2019

All Science Journal Classification (ASJC) codes

  • ポリマーおよびプラスチック
  • 材料化学

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