We report the molecular self-assembly of two amphiphilic peptides (A(6)K and V6K) and the application of their self-assemblies as organic templates to direct biosilica formation. Under ambient conditions, A(6)K self-assembled into nanotubes 2.7 nm tall and approximately 1 mu m to 2 mu m long. In contrast, V6K self-assembled into lamellar-stack nanostructures approximately 4 nm tall and under 100 nm long. The self-assembled peptide nanostructures were used as organic templates to direct biosilica formation. Comparing with the self-assembled structures formed by the peptide/anions system, novel silica morphologies can be obtained by changing the peptide composition, using different anions, and applying electrostatic/flow fields. We observed that the presence of anions is important but not enough to produce ordered silica structures with novel morphologies. This study provides further understanding of silica biomineralization tailored by assembled peptides, which offers a simple but efficient method to control the formation of inorganic material.
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页码:2784 / 2793
页数:10
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[1]
Adler-Abramovich L, 2009, NAT NANOTECHNOL, V4, P849, DOI [10.1038/NNANO.2009.298, 10.1038/nnano.2009.298]
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Cao, Meiwen
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Wang, Yuming
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Wang, Yuming
;
Ge, Xin
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Ge, Xin
;
Cao, Changhai
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Cao, Changhai
;
Wang, Jing
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Wang, Jing
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Xu, Hai
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Xu, Hai
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Xia, Daohong
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Xia, Daohong
;
Zhao, Xiubo
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Univ Manchester, Sch Phys & Astron, Phys Biol Lab, Manchester M13 9PL, Lancs, EnglandChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Zhao, Xiubo
;
Lu, Jian R.
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Univ Manchester, Sch Phys & Astron, Phys Biol Lab, Manchester M13 9PL, Lancs, EnglandChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
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Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
Cui, Honggang
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Webber, Matthew J.
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Northwestern Univ, Dept Biomed Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
Webber, Matthew J.
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Stupp, Samuel I.
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Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
Northwestern Univ, Dept Med, Evanston, IL 60208 USA
Northwestern Univ, Inst BioNanotechnol Med, Chicago, IL 60611 USANorthwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Cao, Meiwen
;
Wang, Yuming
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机构:
China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Wang, Yuming
;
Ge, Xin
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Ge, Xin
;
Cao, Changhai
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Cao, Changhai
;
Wang, Jing
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Wang, Jing
;
Xu, Hai
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Xu, Hai
;
Xia, Daohong
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China Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R ChinaChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Xia, Daohong
;
Zhao, Xiubo
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Univ Manchester, Sch Phys & Astron, Phys Biol Lab, Manchester M13 9PL, Lancs, EnglandChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
Zhao, Xiubo
;
Lu, Jian R.
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机构:
Univ Manchester, Sch Phys & Astron, Phys Biol Lab, Manchester M13 9PL, Lancs, EnglandChina Univ Petr E China, Ctr Bioengn & Biotechnol, Qingdao 266555, Peoples R China
机构:
Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
Cui, Honggang
;
Webber, Matthew J.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Biomed Engn, Evanston, IL 60208 USANorthwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
Webber, Matthew J.
;
Stupp, Samuel I.
论文数: 0引用数: 0
h-index: 0
机构:
Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
Northwestern Univ, Dept Med, Evanston, IL 60208 USA
Northwestern Univ, Inst BioNanotechnol Med, Chicago, IL 60611 USANorthwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA