Incorporation of impurity to a tetragonal lysozyme crystal

Kazuo Kurihara, Satoru Miyashita, Gen Sazaki, Toshitaka Nakada, Stephen D. Durbin, Hiroshi Komatsu, Tetsuhiko Ohba, Kazuo Ohki

研究成果: Article査読

32 被引用数 (Scopus)

抄録

Concentration of a phosphor-labeled impurity (ovalbumin) incorporated into protein (hen egg white lysozyme) crystals during growth was measured by fluorescence.This technique enabled us to measure the local impurity concentration in a crystal quantitatively. Impurity concentration increased with growth rate, which could not be explained by two conventional models (equilibrium adsorption model and Burton-Prim-Slichter model); a modified model is proposed. Impurity concentration also increased with the pH of the solution. This result is discussed considering the electrostatic interaction between the impurity and the crystallizing species.

本文言語English
ページ(範囲)285-290
ページ数6
ジャーナルJournal of Crystal Growth
196
2-4
DOI
出版ステータスPublished - 1999 1 15

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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