Natural abundant O-17 NMR in a 1.5-T Halbach magnet

Morten Kjærulff Sørensen; Oleg N. Bakharev; Ole Jensen; Niels Christian Nielsen

doi:10.1002/mrc.4207

Natural abundant O-17 NMR in a 1.5-T Halbach magnet

Morten Kjærulff Sørensen, Oleg N. Bakharev, Ole Jensen, Niels Christian Nielsen

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

5 Citations (Scopus)

Abstract

We present mobile, low-field ¹⁷O NMR as a means for monitoring oxygen in liquids. Whereas oxygen is one of the most important elements, oxygen NMR is limited by a poor sensitivity related to low natural abundance and gyro-magnetic ratio of the NMR active ¹⁷O isotope. Here, we demonstrate ¹⁷O NMR detection at a Larmor frequency of 8.74 MHz in a 1.5-T Halbach neodymium magnet with a home-built digital NMR instrument suitable for large-scale production and in-line monitoring applications. The proposed ¹⁷O NMR sensor may be applied for direct, noninvasive measurements of water content in, for example, oil, manure, or food in automated quality or process control.

Original language	English
Journal	Magnetic Resonance in Chemistry
Volume	54
Issue	6
Pages (from-to)	510-512
Number of pages	3
ISSN	0749-1581
DOIs	https://doi.org/10.1002/mrc.4207
Publication status	Published - 1 Jun 2016

Keywords

DESIGN
NMR
O-17
mobile NMR
permanent magnet

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10.1002/mrc.4207

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title = "Natural abundant O-17 NMR in a 1.5-T Halbach magnet",

abstract = "We present mobile, low-field 17O NMR as a means for monitoring oxygen in liquids. Whereas oxygen is one of the most important elements, oxygen NMR is limited by a poor sensitivity related to low natural abundance and gyro-magnetic ratio of the NMR active 17O isotope. Here, we demonstrate 17O NMR detection at a Larmor frequency of 8.74 MHz in a 1.5-T Halbach neodymium magnet with a home-built digital NMR instrument suitable for large-scale production and in-line monitoring applications. The proposed 17O NMR sensor may be applied for direct, noninvasive measurements of water content in, for example, oil, manure, or food in automated quality or process control.",

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AU - Sørensen, Morten Kjærulff

AU - Bakharev, Oleg N.

AU - Jensen, Ole

AU - Nielsen, Niels Christian

PY - 2016/6/1

Y1 - 2016/6/1

N2 - We present mobile, low-field 17O NMR as a means for monitoring oxygen in liquids. Whereas oxygen is one of the most important elements, oxygen NMR is limited by a poor sensitivity related to low natural abundance and gyro-magnetic ratio of the NMR active 17O isotope. Here, we demonstrate 17O NMR detection at a Larmor frequency of 8.74 MHz in a 1.5-T Halbach neodymium magnet with a home-built digital NMR instrument suitable for large-scale production and in-line monitoring applications. The proposed 17O NMR sensor may be applied for direct, noninvasive measurements of water content in, for example, oil, manure, or food in automated quality or process control.

AB - We present mobile, low-field 17O NMR as a means for monitoring oxygen in liquids. Whereas oxygen is one of the most important elements, oxygen NMR is limited by a poor sensitivity related to low natural abundance and gyro-magnetic ratio of the NMR active 17O isotope. Here, we demonstrate 17O NMR detection at a Larmor frequency of 8.74 MHz in a 1.5-T Halbach neodymium magnet with a home-built digital NMR instrument suitable for large-scale production and in-line monitoring applications. The proposed 17O NMR sensor may be applied for direct, noninvasive measurements of water content in, for example, oil, manure, or food in automated quality or process control.

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KW - mobile NMR

KW - permanent magnet

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SP - 510

EP - 512

JO - Magnetic Resonance in Chemistry

JF - Magnetic Resonance in Chemistry

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Natural abundant O-17 NMR in a 1.5-T Halbach magnet

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Keywords

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