r TPPM: Towards improving solid-state NMR two-pulse phase-modulation heteronuclear dipolar decoupling sequence by refocusing

Asif Equbal; Subhradip Paul; Venus Singh Mithu; Joachim Møllesøe Vinther; Niels Chr Nielsen; P K Madhu

doi:10.1016/j.jmr.2014.04.009

r TPPM: Towards improving solid-state NMR two-pulse phase-modulation heteronuclear dipolar decoupling sequence by refocusing

Asif Equbal, Subhradip Paul, Venus Singh Mithu, Joachim Møllesøe Vinther, Niels Chr Nielsen, P K Madhu

10 Citationer (Scopus)

Abstract

We present here a simple refocused modification, r TPPM, of the Two-Pulse Phase-Modulation (TPPM) heteronuclear decoupling method, which improves decoupling and makes the sequence much more robust with respect to essential experimental parameters. The modified sequence is compared with the established TPPM sequence and a variety of other decoupling sequences at low to moderate magic-angle spinning frequencies. Simulations are shown to compare TPPM and r TPPM with respect to various experimental parameters. The observations from simulations are corroborated with experimental findings at two spinning frequencies on U-(13)C-glycine and U-(13)C-L-histidine.HCl.H2O.

Originalsprog	Engelsk
Tidsskrift	Journal of Magnetic Resonance
Vol/bind	244
Sider (fra-til)	68-73
Antal sider	6
ISSN	1090-7807
DOI	https://doi.org/10.1016/j.jmr.2014.04.009
Status	Udgivet - jul. 2014

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10.1016/j.jmr.2014.04.009

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@article{dc3066e493544241aa0522a19bf76249,

title = "r TPPM: Towards improving solid-state NMR two-pulse phase-modulation heteronuclear dipolar decoupling sequence by refocusing",

abstract = "We present here a simple refocused modification, r TPPM, of the Two-Pulse Phase-Modulation (TPPM) heteronuclear decoupling method, which improves decoupling and makes the sequence much more robust with respect to essential experimental parameters. The modified sequence is compared with the established TPPM sequence and a variety of other decoupling sequences at low to moderate magic-angle spinning frequencies. Simulations are shown to compare TPPM and r TPPM with respect to various experimental parameters. The observations from simulations are corroborated with experimental findings at two spinning frequencies on U-(13)C-glycine and U-(13)C-L-histidine.HCl.H2O.",

author = "Asif Equbal and Subhradip Paul and Mithu, {Venus Singh} and Vinther, {Joachim M{\o}lles{\o}e} and Nielsen, {Niels Chr} and Madhu, {P K}",

year = "2014",

month = jul,

doi = "10.1016/j.jmr.2014.04.009",

language = "English",

volume = "244",

pages = "68--73",

journal = "Journal of Magnetic Resonance",

issn = "1090-7807",

publisher = "Elsevier",

}

TY - JOUR

T1 - r TPPM

T2 - Towards improving solid-state NMR two-pulse phase-modulation heteronuclear dipolar decoupling sequence by refocusing

AU - Equbal, Asif

AU - Paul, Subhradip

AU - Mithu, Venus Singh

AU - Vinther, Joachim Møllesøe

AU - Nielsen, Niels Chr

AU - Madhu, P K

PY - 2014/7

Y1 - 2014/7

N2 - We present here a simple refocused modification, r TPPM, of the Two-Pulse Phase-Modulation (TPPM) heteronuclear decoupling method, which improves decoupling and makes the sequence much more robust with respect to essential experimental parameters. The modified sequence is compared with the established TPPM sequence and a variety of other decoupling sequences at low to moderate magic-angle spinning frequencies. Simulations are shown to compare TPPM and r TPPM with respect to various experimental parameters. The observations from simulations are corroborated with experimental findings at two spinning frequencies on U-(13)C-glycine and U-(13)C-L-histidine.HCl.H2O.

AB - We present here a simple refocused modification, r TPPM, of the Two-Pulse Phase-Modulation (TPPM) heteronuclear decoupling method, which improves decoupling and makes the sequence much more robust with respect to essential experimental parameters. The modified sequence is compared with the established TPPM sequence and a variety of other decoupling sequences at low to moderate magic-angle spinning frequencies. Simulations are shown to compare TPPM and r TPPM with respect to various experimental parameters. The observations from simulations are corroborated with experimental findings at two spinning frequencies on U-(13)C-glycine and U-(13)C-L-histidine.HCl.H2O.

U2 - 10.1016/j.jmr.2014.04.009

DO - 10.1016/j.jmr.2014.04.009

M3 - Journal article

C2 - 24879300

SN - 1090-7807

VL - 244

SP - 68

EP - 73

JO - Journal of Magnetic Resonance

JF - Journal of Magnetic Resonance

ER -

r TPPM: Towards improving solid-state NMR two-pulse phase-modulation heteronuclear dipolar decoupling sequence by refocusing

Abstract

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