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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la300864n
|2 doi
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|a eng
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|a Casado, Clara
|e verfasserin
|4 aut
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|a L- and D-proline adsorption by chiral ordered mesoporous silica
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 18.09.2014
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|a Date Revised 04.02.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Chiral ordered mesoporous silica (COMS) was synthesized in the presence of amino acid proline by combining tetraethyl orthosilicate and quaternized aminosilane silica sources. The as-prepared materials were activated by calcination or microwave chemical extraction to remove the organic templates. The powder X-ray diffraction and N2 adsorption characterization revealed in COMS the structural and textural features of MCM-41-type silica. The chirality of the material was disclosed by mixed and separate L- and D-proline adsorption on the COMS prepared with L-proline (L-Pro-COMS) and D-proline (d-Pro-COMS). It was found that the maximum L-proline and D-proline adsorption capacities on L-Pro-COMS were ca. 2.3 and 0.6 mmol/g, respectively, while the adsorption of D-proline was higher than that of l-proline on d-Pro-COMS. Finally, both activation routes yielded enantioselective silicas able to separate proline racemate
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Silicon Dioxide
|2 NLM
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| 700 |
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|a Castán, Joaquín
|e verfasserin
|4 aut
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|a Gracia, Ismael
|e verfasserin
|4 aut
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|a Yus, Miriam
|e verfasserin
|4 aut
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|a Mayoral, Alvaro
|e verfasserin
|4 aut
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|a Sebastián, Víctor
|e verfasserin
|4 aut
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|a López-Ram-de-Viu, Pilar
|e verfasserin
|4 aut
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|a Uriel, Santiago
|e verfasserin
|4 aut
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| 700 |
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|a Coronas, Joaquín
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 28(2012), 16 vom: 24. Apr., Seite 6638-44
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|g volume:28
|g year:2012
|g number:16
|g day:24
|g month:04
|g pages:6638-44
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