Magnetic resonance spectroscopy with longitudinal multispin orders

S. Sendhil Velan; Kumar Pichumani; David Murray; Raymond R. Raylman; Tricia Scott; Ayyakannu Manivannan; Larry Halliburton

doi:10.2174/157341108783339106

Magnetic resonance spectroscopy with longitudinal multispin orders

S. Sendhil Velan, Kumar Pichumani, David Murray, Raymond R. Raylman, Tricia Scott, Ayyakannu Manivannan, Larry Halliburton

Research output: Contribution to journal › Review article › peer-review

Abstract

Longitudinal multispin orders can be created in spin systems that exhibit scalar, dipolar or quadrupolar couplings. They provide an effective way for measurement of scalar couplings and also to probe molecular interactions and dynamics. They cannot be separated by phase cycling or gradient selection methods which are the only known modes of separating different coherences. In this review we describe the frequency cycling procedure for separating various orders in weakly and strongly coupled spin systems. We provide the analytical solutions that permit determination of the frequency cycle for different spin systems. We also discuss the creation of longitudinal orders through relaxation. Finally we highlight the potential applications including spectral editing, measurement of relative signs of scalar couplings and structural properties of molecules.

Original language	English (US)
Pages (from-to)	40-54
Number of pages	15
Journal	Current Analytical Chemistry
Volume	4
Issue number	1
DOIs	https://doi.org/10.2174/157341108783339106
State	Published - Jan 1 2008

Keywords

Frequency cycling
Longitudinal orders
Magnetic resonance spectroscopy
Scalar couplings
Strong coupling
Weak coupling

ASJC Scopus subject areas

Analytical Chemistry

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10.2174/157341108783339106

Cite this

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abstract = "Longitudinal multispin orders can be created in spin systems that exhibit scalar, dipolar or quadrupolar couplings. They provide an effective way for measurement of scalar couplings and also to probe molecular interactions and dynamics. They cannot be separated by phase cycling or gradient selection methods which are the only known modes of separating different coherences. In this review we describe the frequency cycling procedure for separating various orders in weakly and strongly coupled spin systems. We provide the analytical solutions that permit determination of the frequency cycle for different spin systems. We also discuss the creation of longitudinal orders through relaxation. Finally we highlight the potential applications including spectral editing, measurement of relative signs of scalar couplings and structural properties of molecules.",

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AU - Velan, S. Sendhil

AU - Pichumani, Kumar

AU - Murray, David

AU - Raylman, Raymond R.

AU - Scott, Tricia

AU - Manivannan, Ayyakannu

AU - Halliburton, Larry

PY - 2008/1/1

Y1 - 2008/1/1

N2 - Longitudinal multispin orders can be created in spin systems that exhibit scalar, dipolar or quadrupolar couplings. They provide an effective way for measurement of scalar couplings and also to probe molecular interactions and dynamics. They cannot be separated by phase cycling or gradient selection methods which are the only known modes of separating different coherences. In this review we describe the frequency cycling procedure for separating various orders in weakly and strongly coupled spin systems. We provide the analytical solutions that permit determination of the frequency cycle for different spin systems. We also discuss the creation of longitudinal orders through relaxation. Finally we highlight the potential applications including spectral editing, measurement of relative signs of scalar couplings and structural properties of molecules.

AB - Longitudinal multispin orders can be created in spin systems that exhibit scalar, dipolar or quadrupolar couplings. They provide an effective way for measurement of scalar couplings and also to probe molecular interactions and dynamics. They cannot be separated by phase cycling or gradient selection methods which are the only known modes of separating different coherences. In this review we describe the frequency cycling procedure for separating various orders in weakly and strongly coupled spin systems. We provide the analytical solutions that permit determination of the frequency cycle for different spin systems. We also discuss the creation of longitudinal orders through relaxation. Finally we highlight the potential applications including spectral editing, measurement of relative signs of scalar couplings and structural properties of molecules.

KW - Frequency cycling

KW - Longitudinal orders

KW - Magnetic resonance spectroscopy

KW - Scalar couplings

KW - Strong coupling

KW - Weak coupling

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Magnetic resonance spectroscopy with longitudinal multispin orders

Abstract

Keywords

ASJC Scopus subject areas

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