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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.4445
|2 doi
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|a eng
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|a Peksoz, Ahmet
|e verfasserin
|4 aut
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|a DNP sensitivity of 19 F-NMR signals in hexafluorobenzene depending on polarizing agent type
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|c 2016
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2016 John Wiley & Sons, Ltd.
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|a Low field dynamic nuclear polarization or low field magnetic double resonance technique enables enhanced nuclear magnetic resonance signals to be detected without increasing the strength of the polarizing field. The study reports that the dynamic nuclear polarization of 19 F nuclei in hexafluorobenzene solutions doped with nitroxide, BDPA, MC800 asphaltene and MC30 asphaltene free radicals at 15 G. The 19 F nuclei in all solutions gave positive DNP enhancements changing between 3.42 and 189.54, corresponding to predominantly scalar interactions with the unpaired electrons in the radicals. DNP sensitivity of 19 F nuclei in hexafluorobenzene was observed to be changed significantly depending on the radical type. Nitroxide was found to have the best DNP performance among the polarizing agents. Copyright © 2016 John Wiley & Sons, Ltd
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|a Journal Article
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|a dynamic nuclear polarization
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|a fluorine magnetic resonance
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|a free radical
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| 650 |
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4 |
|a hexafluorobenzene
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4 |
|a nitroxide
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4 |
|a pulse model
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| 650 |
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|a scalar interactions
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 54(2016), 9 vom: 01. Sept., Seite 748-752
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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|g volume:54
|g year:2016
|g number:9
|g day:01
|g month:09
|g pages:748-752
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