| Observation of an organic-inorganic lattice match during biomimetic growth of (001)-oriented calcite crystals under floating sulfate monolayers. | |
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MedLine Citation:
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PMID: 18774837 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Macromolecular layers rich in amino acids and with some sulfated polysaccharides appear to control oriented calcite growth in living organisms. Calcite crystals nucleating under floating acid monolayers have been found to be unoriented on average. We have now observed directly, using in situ grazing incidence X-ray diffraction, that there is a 1:1 match between the monolayer unit cell and the unit cell of the (001) plane of calcite. Thus, sulfate head groups appear to act as templates for the growth of (001)-oriented calcite crystals, which is the orientation commonly found in biominerals. |
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Authors:
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Sumit Kewalramani; Kyungil Kim; Benjamin Stripe; Guennadi Evmenenko; Geoffrey H B Dommett; Pulak Dutta |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. Date: 2008-09-06 |
Journal Detail:
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Title: Langmuir : the ACS journal of surfaces and colloids Volume: 24 ISSN: 0743-7463 ISO Abbreviation: Langmuir Publication Date: 2008 Oct |
Date Detail:
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Created Date: 2008-10-01 Completed Date: 2008-10-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882736 Medline TA: Langmuir Country: United States |
Other Details:
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Languages: eng Pagination: 10579-82 Citation Subset: IM |
Affiliation:
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Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Biomimetic Materials
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chemistry* Calcium Carbonate / chemistry* Crystallization Organic Chemicals / chemistry* Sulfates / chemistry* |
| Chemical | |
Reg. No./Substance:
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0/Organic Chemicals; 0/Sulfates; 471-34-1/Calcium Carbonate |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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