Rotating-frame nuclear magnetic relaxation in a long-chain model biomembrane (C 18H 37NH 3) 2SnCl 6

Kyu Won Lee; Cheol Eui Lee; J. Y. Choi; Joon Kim

Rotating-frame nuclear magnetic relaxation in a long-chain model biomembrane (C ₁₈H ₃₇NH ₃) ₂SnCl ₆

Kyu Won Lee, Cheol Eui Lee, J. Y. Choi, Joon Kim

Research output: Contribution to journal › Article › peer-review

Abstract

The lattice dynamics in bis-(n-(C ₁₈H ₃₇NH ₃) ₂SnCl ₆, where the hydrocarbon part is analogous to a lipid membrane, was investigated by means of 55-kHz ¹H rotating-frame nuclear magnetic resonance. The critical fluctuation near the order-disorder transition of the rigid alkyl chains is attributed to the high-frequency dynamics for long-chain compounds, in contrast to the low-frequency dynamics for short-chain compounds. Besides, the non-exponential spin-lattice relaxation is ascribed to chain segmental motions, giving rise to a distribution of correlation times and freezing below 230 K.

Original language	English
Pages (from-to)	1084-1086
Number of pages	3
Journal	Journal of the Korean Physical Society
Volume	47
Issue number	6
Publication status	Published - 2005 Dec

Keywords

Lipid membrane
Low-frequency dynamics
NMR

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

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title = "Rotating-frame nuclear magnetic relaxation in a long-chain model biomembrane (C 18H 37NH 3) 2SnCl 6 ",

abstract = "The lattice dynamics in bis-(n-(C 18H 37NH 3) 2SnCl 6, where the hydrocarbon part is analogous to a lipid membrane, was investigated by means of 55-kHz 1H rotating-frame nuclear magnetic resonance. The critical fluctuation near the order-disorder transition of the rigid alkyl chains is attributed to the high-frequency dynamics for long-chain compounds, in contrast to the low-frequency dynamics for short-chain compounds. Besides, the non-exponential spin-lattice relaxation is ascribed to chain segmental motions, giving rise to a distribution of correlation times and freezing below 230 K.",

keywords = "Lipid membrane, Low-frequency dynamics, NMR",

author = "Lee, {Kyu Won} and Lee, {Cheol Eui} and Choi, {J. Y.} and Joon Kim",

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language = "English",

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AU - Lee, Kyu Won

AU - Lee, Cheol Eui

AU - Choi, J. Y.

AU - Kim, Joon

PY - 2005/12

Y1 - 2005/12

N2 - The lattice dynamics in bis-(n-(C 18H 37NH 3) 2SnCl 6, where the hydrocarbon part is analogous to a lipid membrane, was investigated by means of 55-kHz 1H rotating-frame nuclear magnetic resonance. The critical fluctuation near the order-disorder transition of the rigid alkyl chains is attributed to the high-frequency dynamics for long-chain compounds, in contrast to the low-frequency dynamics for short-chain compounds. Besides, the non-exponential spin-lattice relaxation is ascribed to chain segmental motions, giving rise to a distribution of correlation times and freezing below 230 K.

AB - The lattice dynamics in bis-(n-(C 18H 37NH 3) 2SnCl 6, where the hydrocarbon part is analogous to a lipid membrane, was investigated by means of 55-kHz 1H rotating-frame nuclear magnetic resonance. The critical fluctuation near the order-disorder transition of the rigid alkyl chains is attributed to the high-frequency dynamics for long-chain compounds, in contrast to the low-frequency dynamics for short-chain compounds. Besides, the non-exponential spin-lattice relaxation is ascribed to chain segmental motions, giving rise to a distribution of correlation times and freezing below 230 K.

KW - Lipid membrane

KW - Low-frequency dynamics

KW - NMR

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JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

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ER -

Rotating-frame nuclear magnetic relaxation in a long-chain model biomembrane (C ₁₈H ₃₇NH ₃) ₂SnCl ₆

Abstract

Keywords

ASJC Scopus subject areas

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