| Containerless reaction monitoring in ionic liquids by means of Raman microspectroscopy. | |
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MedLine Citation:
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PMID: 17180215 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Reaction monitoring by Raman microspectroscopy in levitated room temperature ionic liquid (RTIL) droplets is reported. Due to their non-volatility, RTIL droplets are well-suited to act as wall-less microreactors. The droplets were produced by a piezoelectric flow-through microdispenser connected to an automated flow injection system and were levitated by an acoustic trap. Taking advantage of the flow system versatility, the sequence of reagents was easily changed to study a model organic reaction: the Knoevenagel condensation. The reaction was followed by Raman microspectrometry and the obtained spectra were analysed using multivariate curve resolution to retrieve the concentration profiles and pure spectra of reactants, intermediates and products involved in the reaction. In addition, information about solvation interactions was obtained by monitoring the desolvation process taking place when a volatile co-solvent evaporated from the droplet. |
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Authors:
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Mercedes López-Pastor; Ana Domínguez-Vidal; María José Ayora-Cañada; Thomas Laurell; Miguel Valcárcel; Bernhard Lendl |
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Publication Detail:
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Type: Journal Article Date: 2006-10-13 |
Journal Detail:
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Title: Lab on a chip Volume: 7 ISSN: 1473-0197 ISO Abbreviation: Lab Chip Publication Date: 2007 Jan |
Date Detail:
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Created Date: 2006-12-20 Completed Date: 2007-02-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101128948 Medline TA: Lab Chip Country: England |
Other Details:
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Languages: eng Pagination: 126-32 Citation Subset: - |
Affiliation:
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Department of Analytical Chemistry, University of Cordoba, Campus de Rabanales, Marie Curie Annex Building, E-14071, Córdoba, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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