Source:http://linkedlifedata.com/resource/pubmed/id/20218612
| Subject | Predicate | Object | Context |
|---|---|---|---|
| pubmed-article:20218612 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:20218612 | lifeskim:mentions | umls-concept:C0205148 | lld:lifeskim |
| pubmed-article:20218612 | lifeskim:mentions | umls-concept:C1720867 | lld:lifeskim |
| pubmed-article:20218612 | lifeskim:mentions | umls-concept:C0567415 | lld:lifeskim |
| pubmed-article:20218612 | lifeskim:mentions | umls-concept:C2347609 | lld:lifeskim |
| pubmed-article:20218612 | pubmed:issue | 14 | lld:pubmed |
| pubmed-article:20218612 | pubmed:dateCreated | 2010-4-8 | lld:pubmed |
| pubmed-article:20218612 | pubmed:abstractText | The reactivity of photolytically generated, gas-phase, ground-state atomic oxygen, O((3)P), with the surfaces of a series of 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([NTf(2)]) ionic liquids has been investigated. The liquids differ only in the length of the linear C(n)H(2n+1) alkyl side chain on the cation, with n = 2, 4, 5, 8, and 12. Laser-induced fluorescence was used to detect gas-phase OH v' = 0 radicals formed at the gas-liquid interface. The reactivity of the ionic liquids increases nonlinearly with n, in a way that cannot simply be explained by stoichiometry. We infer that the alkyl chains must be preferentially exposed at the interface to a degree that is dependent on chain length. A relatively sharp onset of surface segregation is apparent in the region of n = 4. The surface specificity of the method is confirmed through the nonthermal characteristics of both the translational and rotational distributions of the OH v' = 0. These reveal that the dynamics are dominated by a direct, impulsive scattering mechanism at the outer layers of the liquid. The OH v' = 0 yield is effectively independent of the bulk temperature of the longest-chain ionic liquid in the range 298-343 K, also consistent with a predominantly direct mechanism. These product attributes are broadly similar to those of the benchmark pure hydrocarbon liquid, squalane, but a more detailed analysis suggests that the interface may be microscopically smoother for the ionic liquids. | lld:pubmed |
| pubmed-article:20218612 | pubmed:language | eng | lld:pubmed |
| pubmed-article:20218612 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:20218612 | pubmed:status | PubMed-not-MEDLINE | lld:pubmed |
| pubmed-article:20218612 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:20218612 | pubmed:issn | 1520-5215 | lld:pubmed |
| pubmed-article:20218612 | pubmed:author | pubmed-author:SlatteryJohn... | lld:pubmed |
| pubmed-article:20218612 | pubmed:author | pubmed-author:CostenMatthew... | lld:pubmed |
| pubmed-article:20218612 | pubmed:author | pubmed-author:McKendrickKen... | lld:pubmed |
| pubmed-article:20218612 | pubmed:author | pubmed-author:WaringCarlaC | lld:pubmed |
| pubmed-article:20218612 | pubmed:author | pubmed-author:BagotPaul A... | lld:pubmed |
| pubmed-article:20218612 | pubmed:issnType | Electronic | lld:pubmed |
| pubmed-article:20218612 | pubmed:day | 15 | lld:pubmed |
| pubmed-article:20218612 | pubmed:volume | 114 | lld:pubmed |
| pubmed-article:20218612 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:20218612 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:20218612 | pubmed:pagination | 4896-904 | lld:pubmed |
| pubmed-article:20218612 | pubmed:year | 2010 | lld:pubmed |
| pubmed-article:20218612 | pubmed:articleTitle | O(3P) atoms as a chemical probe of surface ordering in ionic liquids. | lld:pubmed |
| pubmed-article:20218612 | pubmed:affiliation | School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK. | lld:pubmed |
| pubmed-article:20218612 | pubmed:publicationType | Journal Article | lld:pubmed |