Use of the Frank sequence in pulsed EPR

Mark Tseitlin; Richard W. Quine; Sandra S. Eaton; Gareth R. Eaton; Howard J. Halpern; Jan Henrik Ardenkjær-Larsen

doi:10.1016/j.jmr.2011.01.032

Use of the Frank sequence in pulsed EPR

Mark Tseitlin, Richard W. Quine, Sandra S. Eaton, Gareth R. Eaton, Howard J. Halpern, Jan Henrik Ardenkjær-Larsen

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Abstract

The Frank polyphase sequence has been applied to pulsed EPR of triarylmethyl radicals at 256MHz (9.1mT magnetic field), using 256 phase pulses. In EPR, as in NMR, use of a Frank sequence of phase steps permits pulsed FID signal acquisition with very low power microwave/RF pulses (ca. 1.5mW in the application reported here) relative to standard pulsed EPR. A 0.2mM aqueous solution of a triarylmethyl radical was studied using a 16mm diameter cross-loop resonator to isolate the EPR signal detection system from the incident pulses.
Keyword: Correlation spectroscopy,Multi-pulse EPR,Low power pulses,NMR,EPR,Frank sequence

Original language	English
Journal	Journal of Magnetic Resonance
Volume	209
Issue number	2
Pages (from-to)	306-309
ISSN	1090-7807
DOIs	https://doi.org/10.1016/j.jmr.2011.01.032
Publication status	Published - 2011

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title = "Use of the Frank sequence in pulsed EPR",

abstract = "The Frank polyphase sequence has been applied to pulsed EPR of triarylmethyl radicals at 256MHz (9.1mT magnetic field), using 256 phase pulses. In EPR, as in NMR, use of a Frank sequence of phase steps permits pulsed FID signal acquisition with very low power microwave/RF pulses (ca. 1.5mW in the application reported here) relative to standard pulsed EPR. A 0.2mM aqueous solution of a triarylmethyl radical was studied using a 16mm diameter cross-loop resonator to isolate the EPR signal detection system from the incident pulses. Keyword: Correlation spectroscopy,Multi-pulse EPR,Low power pulses,NMR,EPR,Frank sequence",

author = "Mark Tseitlin and Quine, {Richard W.} and Eaton, {Sandra S.} and Eaton, {Gareth R.} and Halpern, {Howard J.} and Ardenkj{\ae}r-Larsen, {Jan Henrik}",

year = "2011",

doi = "10.1016/j.jmr.2011.01.032",

language = "English",

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T1 - Use of the Frank sequence in pulsed EPR

AU - Tseitlin, Mark

AU - Quine, Richard W.

AU - Eaton, Sandra S.

AU - Eaton, Gareth R.

AU - Halpern, Howard J.

AU - Ardenkjær-Larsen, Jan Henrik

PY - 2011

Y1 - 2011

N2 - The Frank polyphase sequence has been applied to pulsed EPR of triarylmethyl radicals at 256MHz (9.1mT magnetic field), using 256 phase pulses. In EPR, as in NMR, use of a Frank sequence of phase steps permits pulsed FID signal acquisition with very low power microwave/RF pulses (ca. 1.5mW in the application reported here) relative to standard pulsed EPR. A 0.2mM aqueous solution of a triarylmethyl radical was studied using a 16mm diameter cross-loop resonator to isolate the EPR signal detection system from the incident pulses. Keyword: Correlation spectroscopy,Multi-pulse EPR,Low power pulses,NMR,EPR,Frank sequence

AB - The Frank polyphase sequence has been applied to pulsed EPR of triarylmethyl radicals at 256MHz (9.1mT magnetic field), using 256 phase pulses. In EPR, as in NMR, use of a Frank sequence of phase steps permits pulsed FID signal acquisition with very low power microwave/RF pulses (ca. 1.5mW in the application reported here) relative to standard pulsed EPR. A 0.2mM aqueous solution of a triarylmethyl radical was studied using a 16mm diameter cross-loop resonator to isolate the EPR signal detection system from the incident pulses. Keyword: Correlation spectroscopy,Multi-pulse EPR,Low power pulses,NMR,EPR,Frank sequence

U2 - 10.1016/j.jmr.2011.01.032

DO - 10.1016/j.jmr.2011.01.032

M3 - Journal article

SN - 1090-7807

VL - 209

SP - 306

EP - 309

JO - Journal of Magnetic Resonance

JF - Journal of Magnetic Resonance

IS - 2

ER -

Use of the Frank sequence in pulsed EPR

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