Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies
Nuclear magnetic resonance (NMR) experiments are usually carried out at very high and homogenous magnetic fields. However, portable systems have emerged in recent years at low fields, offering many advantages like easier maintenance and open design that permit us to imagine a variety of coil configurations in order to maximize the homogeneity of the static field B0 and the radio-frequency field B1. The wire winding distribution based on space harmonics suppression (SHS) of the cosine current density distribution offers new possibilities of producing homogenous static fields B0. In this work, an extension of the SHS method, allowing homogeneity enhancement and flexibility of the coil design, is presented. The efficiency of the method is demonstrated through the construction of homogenous magnetic field coils dedicated to a very low magnetic field (8 mT) 1H NMR spectrometer. The performance of these coils in terms of magnetic field intensity and homogeneity as well as self-heating behavior is compliant with in planta experiments for agronomic studies.
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Format: | article biblioteca |
Language: | eng |
Subjects: | U50 - Sciences physiques et chimie, spectroscopie RMN, champ magnétique, recherche agronomique, http://aims.fao.org/aos/agrovoc/c_24405, http://aims.fao.org/aos/agrovoc/c_33982, http://aims.fao.org/aos/agrovoc/c_8679, |
Online Access: | http://agritrop.cirad.fr/598917/ http://agritrop.cirad.fr/598917/1/598917.pdf |
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dig-cirad-fr-5989172024-01-29T03:41:26Z http://agritrop.cirad.fr/598917/ http://agritrop.cirad.fr/598917/ Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies. Sidi-Boulenouar Rahima, Reis Ariston, Nativel Raymond, Buy Simon, De Pellegars Pauline, Liu Pan, Zanca Michel, Goze-Bac Christophe, Barbat Jérome, Alibert Eric, Verdeil Jean-Luc, Gatineau Frédéric, Bertin Nadia, Anand Atma, Coillot Christophe. 2018. Journal of Sensors and Sensor Systems, 7 : 227-234.https://doi.org/10.5194/jsss-7-227-2018 <https://doi.org/10.5194/jsss-7-227-2018> Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies Sidi-Boulenouar, Rahima Reis, Ariston Nativel, Raymond Buy, Simon De Pellegars, Pauline Liu, Pan Zanca, Michel Goze-Bac, Christophe Barbat, Jérome Alibert, Eric Verdeil, Jean-Luc Gatineau, Frédéric Bertin, Nadia Anand, Atma Coillot, Christophe eng 2018 Journal of Sensors and Sensor Systems U50 - Sciences physiques et chimie spectroscopie RMN champ magnétique recherche agronomique http://aims.fao.org/aos/agrovoc/c_24405 http://aims.fao.org/aos/agrovoc/c_33982 http://aims.fao.org/aos/agrovoc/c_8679 Nuclear magnetic resonance (NMR) experiments are usually carried out at very high and homogenous magnetic fields. However, portable systems have emerged in recent years at low fields, offering many advantages like easier maintenance and open design that permit us to imagine a variety of coil configurations in order to maximize the homogeneity of the static field B0 and the radio-frequency field B1. The wire winding distribution based on space harmonics suppression (SHS) of the cosine current density distribution offers new possibilities of producing homogenous static fields B0. In this work, an extension of the SHS method, allowing homogeneity enhancement and flexibility of the coil design, is presented. The efficiency of the method is demonstrated through the construction of homogenous magnetic field coils dedicated to a very low magnetic field (8 mT) 1H NMR spectrometer. The performance of these coils in terms of magnetic field intensity and homogeneity as well as self-heating behavior is compliant with in planta experiments for agronomic studies. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/598917/1/598917.pdf text cc_by info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ https://doi.org/10.5194/jsss-7-227-2018 10.5194/jsss-7-227-2018 info:eu-repo/semantics/altIdentifier/doi/10.5194/jsss-7-227-2018 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.5194/jsss-7-227-2018 |
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U50 - Sciences physiques et chimie spectroscopie RMN champ magnétique recherche agronomique http://aims.fao.org/aos/agrovoc/c_24405 http://aims.fao.org/aos/agrovoc/c_33982 http://aims.fao.org/aos/agrovoc/c_8679 U50 - Sciences physiques et chimie spectroscopie RMN champ magnétique recherche agronomique http://aims.fao.org/aos/agrovoc/c_24405 http://aims.fao.org/aos/agrovoc/c_33982 http://aims.fao.org/aos/agrovoc/c_8679 |
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U50 - Sciences physiques et chimie spectroscopie RMN champ magnétique recherche agronomique http://aims.fao.org/aos/agrovoc/c_24405 http://aims.fao.org/aos/agrovoc/c_33982 http://aims.fao.org/aos/agrovoc/c_8679 U50 - Sciences physiques et chimie spectroscopie RMN champ magnétique recherche agronomique http://aims.fao.org/aos/agrovoc/c_24405 http://aims.fao.org/aos/agrovoc/c_33982 http://aims.fao.org/aos/agrovoc/c_8679 Sidi-Boulenouar, Rahima Reis, Ariston Nativel, Raymond Buy, Simon De Pellegars, Pauline Liu, Pan Zanca, Michel Goze-Bac, Christophe Barbat, Jérome Alibert, Eric Verdeil, Jean-Luc Gatineau, Frédéric Bertin, Nadia Anand, Atma Coillot, Christophe Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
description |
Nuclear magnetic resonance (NMR) experiments are usually carried out at very high and homogenous magnetic fields. However, portable systems have emerged in recent years at low fields, offering many advantages like easier maintenance and open design that permit us to imagine a variety of coil configurations in order to maximize the homogeneity of the static field B0 and the radio-frequency field B1. The wire winding distribution based on space harmonics suppression (SHS) of the cosine current density distribution offers new possibilities of producing homogenous static fields B0. In this work, an extension of the SHS method, allowing homogeneity enhancement and flexibility of the coil design, is presented. The efficiency of the method is demonstrated through the construction of homogenous magnetic field coils dedicated to a very low magnetic field (8 mT) 1H NMR spectrometer. The performance of these coils in terms of magnetic field intensity and homogeneity as well as self-heating behavior is compliant with in planta experiments for agronomic studies. |
format |
article |
topic_facet |
U50 - Sciences physiques et chimie spectroscopie RMN champ magnétique recherche agronomique http://aims.fao.org/aos/agrovoc/c_24405 http://aims.fao.org/aos/agrovoc/c_33982 http://aims.fao.org/aos/agrovoc/c_8679 |
author |
Sidi-Boulenouar, Rahima Reis, Ariston Nativel, Raymond Buy, Simon De Pellegars, Pauline Liu, Pan Zanca, Michel Goze-Bac, Christophe Barbat, Jérome Alibert, Eric Verdeil, Jean-Luc Gatineau, Frédéric Bertin, Nadia Anand, Atma Coillot, Christophe |
author_facet |
Sidi-Boulenouar, Rahima Reis, Ariston Nativel, Raymond Buy, Simon De Pellegars, Pauline Liu, Pan Zanca, Michel Goze-Bac, Christophe Barbat, Jérome Alibert, Eric Verdeil, Jean-Luc Gatineau, Frédéric Bertin, Nadia Anand, Atma Coillot, Christophe |
author_sort |
Sidi-Boulenouar, Rahima |
title |
Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
title_short |
Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
title_full |
Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
title_fullStr |
Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
title_full_unstemmed |
Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
title_sort |
homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies |
url |
http://agritrop.cirad.fr/598917/ http://agritrop.cirad.fr/598917/1/598917.pdf |
work_keys_str_mv |
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