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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1021/la8008859
|2 doi
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|a pubmed24n0613.xml
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|a (DE-627)NLM183928016
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|a (NLM)18947246
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Ikawa, Nobuaki
|e verfasserin
|4 aut
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|a Templating route for mesostructured calcium phosphates with carboxylic acid- and amine-type surfactants
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 09.01.2009
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Mesostructured calcium phosphates constructed by ionic frameworks were synthesized using carboxylic acid- and amine-type surfactants in mixed solvent systems of ethanol and water. A lamellar mesostructured calcium phosphate was prepared using palmitic acid as an anionic surfactant, as in the case using n-alkylamines. A wormhole-like mesostructured calcium phosphate can be obtained using dicarboxyl N-lauroyl- l-glutamic acid, whose headgroup is larger than that of palmitic acid. Similar mesostructured product was obtained using 4-dodecyldiethylenetriamine with a large headgroup containing two primary amine groups. Interactions of carboxyl and primary amino groups in the surfactant molecules with inorganic species are quite important for the formation of mesostructured calcium phosphates. The Ca/P molar ratio of mesostructured calcium phosphates was strongly affected by the molecular structure of surfactants containing carboxyl and primary amino groups. Ca-rich materials can be obtained using carboxylic acid-type surfactants (Ca/P approximately 1.7) rather than amine-type surfactants (Ca/P approximately 1.0)
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|a Journal Article
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|a Anions
|2 NLM
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|a Calcium Phosphates
|2 NLM
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|a Carboxylic Acids
|2 NLM
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|a Phosphates
|2 NLM
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|a Polyamines
|2 NLM
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|a Surface-Active Agents
|2 NLM
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|a diethylenetriamine
|2 NLM
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|a 03K6SX4V2J
|2 NLM
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|a Palmitic Acid
|2 NLM
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|a 2V16EO95H1
|2 NLM
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|a Glutamic Acid
|2 NLM
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|a 3KX376GY7L
|2 NLM
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|a calcium phosphate
|2 NLM
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|a 97Z1WI3NDX
|2 NLM
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|a Calcium
|2 NLM
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|a SY7Q814VUP
|2 NLM
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|a Hori, Hideki
|e verfasserin
|4 aut
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|a Kimura, Tatsuo
|e verfasserin
|4 aut
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|a Oumi, Yasunori
|e verfasserin
|4 aut
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|a Sano, Tsuneji
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 22 vom: 18. Nov., Seite 13113-20
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:24
|g year:2008
|g number:22
|g day:18
|g month:11
|g pages:13113-20
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|u http://dx.doi.org/10.1021/la8008859
|3 Volltext
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