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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.2285
|2 doi
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|a pubmed24n0604.xml
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|a DE-627
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|a eng
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|a Vinod Chandran, C
|e verfasserin
|4 aut
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|a Swept-frequency two-pulse phase modulation (SWf-TPPM) sequences with linear sweep profile for heteronuclear decoupling in solid-state NMR
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|c 2008
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 27.10.2008
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Copyright (c) 2008 John Wiley & Sons, Ltd.
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|a Recently, a pulse scheme for heteronuclear spin decoupling in solid-state NMR, called swept-frequency two-pulse phase modulation (SW(f)-TPPM), was introduced which outperforms the standard TPPM and small phase incremental alteration (SPINAL) schemes. It has also been shown that the frequency-sweep profile can be varied to achieve optimal efficiency for crystalline and liquid-crystalline samples, respectively. Here we present a detailed comparison of the proton decoupling performance for SW(f)-TPPM sequences with tangential sweep profiles (SW(f) (tan)-TPPM) and linear sweep profiles (SW(f) (lin)-TPPM). Using the (13)CH(2) resonance of crystalline tyrosine as a model system, it is shown that linear profiles have a decoupling performance which is at least as good and in some instances slightly better than that obtained from tangential sweep profiles. While tangential sweep profiles require a tangent cut-off angle as an additional parameter, the lack of that parameter makes linear sweep profiles easier to implement and optimise
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Carbon Isotopes
|2 NLM
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|a Protons
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|a Tyrosine
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|a 42HK56048U
|2 NLM
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|a Madhu, P K
|e verfasserin
|4 aut
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|a Kurur, Narayanan D
|e verfasserin
|4 aut
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|a Bräuniger, Thomas
|e verfasserin
|4 aut
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 46(2008), 10 vom: 01. Okt., Seite 943-7
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
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|g volume:46
|g year:2008
|g number:10
|g day:01
|g month:10
|g pages:943-7
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|u http://dx.doi.org/10.1002/mrc.2285
|3 Volltext
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