Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution

高等学校化学研究 ›› 2006, Vol. 22 ›› Issue (3): 368-370.

Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution

ZHANG Xiao-dong, SUN Ying-ying, ZHUANG Jia-qi, YANG Wen-sheng

College of Chemistry, Jilin University, Changchun 130023, P.R. China

收稿日期:2005-06-20 出版日期:2006-06-24 发布日期:2011-08-06
基金资助:
Supported by the National Natural Science Fourdation of China(No. 50572031).

Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution

ZHANG Xiao-dong, SUN Ying-ying, ZHUANG Jia-qi, YANG Wen-sheng

College of Chemistry, Jilin University, Changchun 130023, P.R. China

Received:2005-06-20 Online:2006-06-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Fourdation of China(No. 50572031).

摘要/Abstract

摘要： Oligo-(lysine)_n (n = 1-4) containing different numbers of lysine residues was used to induce the condensation of silicic acid to form silica particles in neutral silicate solution. It was found that the condensation rate and the formation of silica particles are dependent on the number of lysine residues in an oligo-lysine. Oligo-lysine with more lysine residues can link more silicic acid together to form a matrix that promotes the effective aggregation of the condensed silica pieces to form large silica particles.

关键词: Biosilification, Polylysine, Silica

Abstract: Oligo-(lysine)_n (n = 1-4) containing different numbers of lysine residues was used to induce the condensation of silicic acid to form silica particles in neutral silicate solution. It was found that the condensation rate and the formation of silica particles are dependent on the number of lysine residues in an oligo-lysine. Oligo-lysine with more lysine residues can link more silicic acid together to form a matrix that promotes the effective aggregation of the condensed silica pieces to form large silica particles.

Key words: Biosilification, Polylysine, Silica

ZHANG Xiao-dong, SUN Ying-ying, ZHUANG Jia-qi, YANG Wen-sheng. Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution[J]. 高等学校化学研究, 2006, 22(3): 368-370.

ZHANG Xiao-dong, SUN Ying-ying, ZHUANG Jia-qi, YANG Wen-sheng. Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution[J]. Chemical Research in Chinese Universities, 2006, 22(3): 368-370.

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Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution

Oligo-lysine Induced Formation of Silica Particles in Neutral Silicate Solution

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