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231223s2006 xx ||||| 00| ||eng c |
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|a eng
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1 |
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|a Loges, Niklas
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Probing cooperative interactions of tailor-made nucleation surfaces and macromolecules
|b a bioinspired route to hollow micrometer-sized calcium carbonate particles
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 06.06.2007
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|a Date Revised 21.03.2006
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a It is well known that the formation of biominerals by living organisms is governed by the cooperation of soluble and insoluble macromolecules with peculiar interfacial properties. To date, most of the studies on mineralization processes involve model systems that account only for the existence of one organic matrix and thus disregard the interaction between the soluble and insoluble organic components that is crucial for a better understanding of the processes taking place at the inorganic-organic interface. We have set up a model system composed of a matrix surface, which is composed of a self-assembled monolayer (SAM) and a soluble component, poly(aspartic acid). It could be demonstrated that the phase selection of calcium carbonate and the morphology of the resulting particles are determined by the stabilization of amorphous precursor particles by the polymer and the interaction between polymer and SAM. The morphology of the hollow vaterite microspheres are reminiscent to a 3D analogue of the so-called "coffee-stain effect", where the transformation from a voluminous hydrated, amorphous material to a more dense crystalline material leads to the formation of hollow spheres from massive spherical microparticles
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|a Journal Article
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|a Graf, Karlheinz
|e verfasserin
|4 aut
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|a Nasdala, Lutz
|e verfasserin
|4 aut
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| 700 |
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|a Tremel, Wolfgang
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 22(2006), 7 vom: 28. März, Seite 3073-80
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:22
|g year:2006
|g number:7
|g day:28
|g month:03
|g pages:3073-80
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|d 22
|j 2006
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|h 3073-80
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