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231223s2007 xx ||||| 00| ||eng c |
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|a eng
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| 100 |
1 |
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|a White, Ryan C
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Photoredox chemistry of AOT
|b electron transfer and hydrogen abstraction in microemulsions involving the surfactant
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| 264 |
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|c 2007
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 27.06.2007
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|a Date Revised 03.04.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Time-resolved magnetic resonance experiments (TREPR and CIDNP) are used to investigate previously unobserved redox chemistry of the surfactant dioctyl sulfosuccinate ester (AOT) using the photoexcited triplet state of anthraquinone 2,6-disulfonate (3AQDS*). Several different free radicals resulting from two independent oxidation pathways (electron transfer and hydrogen abstraction) are observed. These include the radical ions of AQDS and sulfite from electron-transfer processes, carbon-centered radicals from H-atom abstraction reactions, and an additional carbon-centered radical formed by electron transfer from the AOT sulfonate head group followed by the loss of SO3. The radicals exhibit intense chemically induced dynamic electron spin polarization (CIDEP) in their TREPR spectra. The intensity ratios of the observed TREPR signals for each radical depend on the water pool size and temperature, which in turn affect the predominant CIDEP mechanism. All signal carriers are accounted for by simulation, and CIDNP results provide strong supporting evidence for the assignments
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|a Journal Article
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1 |
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|a Gorelik, Vitaly
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bagryanskaya, Elena G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Forbes, Malcolm D E
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 23(2007), 8 vom: 10. Apr., Seite 4183-91
|w (DE-627)NLM098181009
|x 0743-7463
|7 nnns
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| 773 |
1 |
8 |
|g volume:23
|g year:2007
|g number:8
|g day:10
|g month:04
|g pages:4183-91
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|a AR
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| 952 |
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|d 23
|j 2007
|e 8
|b 10
|c 04
|h 4183-91
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