Chemical Shift Anisotropy and Offset Effects in Cross Polarization Solid-State NMR Spectroscopy

Shekar, S. Chandra; Lee, Dong Kuk; Ramamoorthy, Ayyalusamy

doi:10.1006/jmre.2002.2587

Cited by 32 publications

(18 citation statements)

References 43 publications

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“…CP is cross-polarization. In this method the intensity of the signals from carbon are enhanced by dipolar interactions with surrounding protons (Shekar et al, 2002). The enhancement is only effective if the carbon atom is not in rapid motion.…”

Section: C Mas/nmrmentioning

confidence: 99%

Phosphatidylcholine structure determines cholesterol solubility and lipid polymorphism

Epand

Hughes

Sayer

et al. 2005

Chemistry and Physics of Lipids

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Section: C Mas/nmrmentioning

confidence: 99%

Phosphatidylcholine structure determines cholesterol solubility and lipid polymorphism

Epand

Hughes

Sayer

et al. 2005

Chemistry and Physics of Lipids

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“…The property that the effective field is initially the largest is particularly attractive, because both the I and S magnetization can be well kept during the sequence. Offset assisted power reduction is also attractive for application to power lossy biological samples [17]. (iii) The favorable properties of NICP mentioned above are retained in this new approach.…”

Section: Introductionmentioning

confidence: 97%

Efficient cross polarization with simultaneous adiabatic frequency sweep on the source and target channels

Peng

Takeda

2007

Journal of Magnetic Resonance

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“…5B,D). These effects can be understood using the theoretical analysis of the spin dynamics related to an offresonance heteronuclear coherence transfer process [13,18,25,26].…”

Section: Resultsmentioning

confidence: 99%

PITANSEMA-MAS, a solid-state NMR method to measure heteronuclear dipolar couplings under MAS

Yamamoto

Ermakov

Lee

et al. 2005

Chemical Physics Letters

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A 2D NMR method is presented for the measurement of the dipole-dipole interaction between a proton and a low-frequency nuclear spin species in the solid state under the magic angle spinning. It employs the time averaged nutation concept to dramatically reduce the required radio frequency (rf) power on the low γ nuclear channel and spin exchange at the magic angle is used to suppress 1 H-1 H dipolar interactions and chemical shifts. The flexibility in choosing the spinning speed, rf power and the scaling factor of the pulse sequence are of considerable importance for the structural studies of biological solids. The performance of the pulse sequence has been numerically and experimentally demonstrated on several solids.

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Chemical Shift Anisotropy and Offset Effects in Cross Polarization Solid-State NMR Spectroscopy

Cited by 32 publications

References 43 publications

Phosphatidylcholine structure determines cholesterol solubility and lipid polymorphism

Phosphatidylcholine structure determines cholesterol solubility and lipid polymorphism

Efficient cross polarization with simultaneous adiabatic frequency sweep on the source and target channels

PITANSEMA-MAS, a solid-state NMR method to measure heteronuclear dipolar couplings under MAS

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