Linked Life Data

19929058

Source:http://linkedlifedata.com/resource/pubmed/id/19929058

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
19
pubmed:dateCreated
2009-11-25
pubmed:abstractText
When parahydrogen adds to a metal template containing a substrate of interest, the substrate and parahydrogen become coupled, and polarization is shared between the two without the incorporation of the parahydrogen into the substrate. A mechanism for this polarization transfer is presented in which the transfer is propagated through the scalar couplings. At zero field, polarization is transferred between two-, three-, and four-spin zero quantum states, but no single spin magnetization is created. The interplay between the chemical shift evolution and the evolution under scalar coupling at non-zero field generates additional longitudinal spin order and now includes single spin longitudinal z-magnetization. The additional chemical shift interaction introduces a field dependency to the nuclear spin states of the polarized substrate. The net effect of the polarization field strength on the resultant nuclear spin states is shown to be predictable but complex.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1089-7690
pubmed:author
pubmed:issnType
Electronic
pubmed:day
21
pubmed:volume
131
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
194505
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
A theoretical basis for spontaneous polarization transfer in non-hydrogenative parahydrogen-induced polarization.
pubmed:affiliation
Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't