Silicatein-Mediated Polycondensation of Orthosilicic Acid: Modeling of a Catalytic Mechanism Involving Ring Formation
Silicatein-Mediated Polycondensation of Orthosilicic Acid: Modeling of a Catalytic Mechanism Involving Ring Formation
复制标题
硅酸盐介导的原硅酸缩聚:涉及环形成的催化机制的建模
作者:
H. Schröder;M. Wiens;U. Schlossmacher;David Brandt;Werner E. G. Müller
The sponge protein silicatein is the first enzyme that has been described to form an inorganic polymer (silica) from a monomeric precursor (tetraethoxysilane or orthosilicic acid). The models proposed for silicatein-mediated silica formation are mainly based on the use of synthetic substrates (hydrolytic cleavage of tetraethoxysilane to silanol compounds) or only consider the formation of less reactive silicic acid dimers (disilicic acid). Here we propose a new model for the catalytic mechanism of silicatein that leads to the formation of reactive, cyclic silicic acid species (trisiloxane rings and higher-membered siloxane rings) which easily promote the silica polycondensation reaction.
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影响因子:
14
作者:
M. Wiens;M. Bausen;F. Natalio;T. Link;U. Schlossmacher;W. Müller
通讯作者:
M. Wiens;M. Bausen;F. Natalio;T. Link;U. Schlossmacher;W. Müller
DOI:
10.1002/9783527619443.ch4
发表时间:
2008-03
期刊:
--
影响因子:
--
作者:
W. Müller;Xiaohong Wang;S. Belikov;W. Tremel;U. Schlossmacher;A. Natoli;David Brandt;A. Boreiko;M. Tahir;I. Müller;H. Schröder
通讯作者:
W. Müller;Xiaohong Wang;S. Belikov;W. Tremel;U. Schlossmacher;A. Natoli;David Brandt;A. Boreiko;M. Tahir;I. Müller;H. Schröder
影响因子:
4.8
作者:
Schröder, HC;Boreiko, A;Müller, WEG
通讯作者:
Müller, WEG
影响因子:
3.6
作者:
Müller, WEG;Rothenberger, M;Schröder, H
通讯作者:
Schröder, H