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Received: 2005-12-12

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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.4 P.267~271


In vitro simulation studies of silica deposition induced by lignin from rice

Author(s):  Fang Jiang-Yu, Ma Xue-Long

Affiliation(s):  Institute of Biodiversity Research, Huangshan University, Huangshan 245021, China; more

Corresponding email(s):   fjy@hsu.edu.cn

Key Words:  Lignin, Silica precipitation, Higher plants

Fang Jiang-Yu, Ma Xue-Long. In vitro simulation studies of silica deposition induced by lignin from rice[J]. Journal of Zhejiang University Science B, 2006, 7(4): 267~271.

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author="Fang Jiang-Yu, Ma Xue-Long",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T In vitro simulation studies of silica deposition induced by lignin from rice
%A Fang Jiang-Yu
%A Ma Xue-Long
%J Journal of Zhejiang University SCIENCE B
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%P 267~271
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%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.B0267

T1 - In vitro simulation studies of silica deposition induced by lignin from rice
A1 - Fang Jiang-Yu
A1 - Ma Xue-Long
J0 - Journal of Zhejiang University Science B
VL - 7
IS - 4
SP - 267
EP - 271
%@ 1673-1581
Y1 - 2006
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.B0267

To reveal the possible mechanism of silica deposition in higher plants, lignin was isolated from rice straw following a modified method to conduct a simulation experiment in vitro. UV and infrared absorption spectra showed that the substance had the unique characteristics of pure lignin. The presence of silicon in the precipitation was revealed by TEM (transmission electron microscopy) with EDXA (energy dispersive X-ray analysis) device. It was found that in the borax solution where lignin precipitation occurred silica-lignin co-precipitation was produced but not in the DMSO solution where lignin was broken into its composition compounds and did not precipitate. This means that it is macromolecular lignin itself but not its compounds that could induce silica deposition in higher plants.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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