Crystalline alignment of metal ions templated by β-chitin ester

Min Wu, Daisuke Sawada, Yu Ogawa, Satoshi Kimura, Masahisa Wada, Shigenori Kuga

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The highly crystalline β-chitin from diatom Thalassiosira weissflogii was esterified via intercalation with succinic anhydride followed by simple heating, maintaining the original crystalline order. Due to the introduced free carboxyl groups, the chitin ester crystal showed ion exchange ability for metal cations in aq. solution. Heavy metal cations such as Pb2+ bound to the β-chitin succinate gave characteristic X-ray diffraction patterns, indicating regular alignment of metal ions. Such materials represent a new type of organometallic architecture, possibly leading to novel functionalities.
Original languageEnglish
Pages (from-to)2757–2763
JournalCellulose
Volume20
Issue number6
DOIs
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

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