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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
42
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pubmed:dateCreated |
2006-10-18
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pubmed:abstractText |
The effect of confinement on the dynamical properties of liquid water was studied by mid-infrared ultrafast pump-probe spectroscopy on HDO:D2O in reverse micelles. By preparing water-containing reverse micelles of different well defined sizes, we varied the degree of geometric confinement in water nanodroplets with radii ranging from 0.2 to 4.5 nm. We find that water molecules located near the interface confining the droplet exhibit slower vibrational energy relaxation and have a different spectral absorption than those located in the droplet core. As a result, we can measure the orientational dynamics of these different types of water with high selectivity. We observe that the water molecules in the core show similar orientational dynamics as bulk water and that the water layer solvating the interface is highly immobile.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-10097044,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-11544521,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-11580713,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-11842218,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-11955174,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-12225151,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-12459570,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-12633305,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-12869755,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-15388896,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-15485248,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-15758995,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-15904342,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-15910039,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-16439623,
http://linkedlifedata.com/resource/pubmed/commentcorrection/17028175-1948083
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Oct
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pubmed:issn |
0027-8424
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:day |
17
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pubmed:volume |
103
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
15355-8
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
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pubmed:year |
2006
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pubmed:articleTitle |
Inhomogeneous dynamics in confined water nanodroplets.
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pubmed:affiliation |
FOM-Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ, Amsterdam, The Netherlands. a.dokter@amolf.nl
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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