Mobile sensor for high resolution NMR spectroscopy and imaging
In this work we describe the construction of a mobile NMR tomograph with a highly homogeneous magnetic field. Fast MRI techniques as well as NMR spectroscopy measurements were carried out. The magnet is based on a Halbach array built from identical permanent magnet blocks generating a magnetic field...
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| Veröffentlicht in: | Journal of magnetic resonance (1997) 2009-05, Vol.198 (1), p.80-87 |
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| container_end_page | 87 |
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| container_issue | 1 |
| container_start_page | 80 |
| container_title | Journal of magnetic resonance (1997) |
| container_volume | 198 |
| creator | Danieli, Ernesto Mauler, Jörg Perlo, Juan Blümich, Bernhard Casanova, Federico |
| description | In this work we describe the construction of a mobile NMR tomograph with a highly homogeneous magnetic field. Fast MRI techniques as well as NMR spectroscopy measurements were carried out. The magnet is based on a Halbach array built from identical permanent magnet blocks generating a magnetic field of 0.22
T. To shim the field inhomogeneities inherent to magnet arrays constructed from these materials, a shim strategy based on the use of movable magnet blocks is employed. With this approach a reduction of the line-width from ∼20
kHz to less than 0.1
kHz was achieved, that is by more than two orders of magnitude, in a volume of 21
cm
3. Implementing a RARE sequence, 3D images of different objects placed in this volume were obtained in short experimental times. Moreover, by reducing the sample size to 1
cm
3, sub ppm resolution is obtained in
1H NMR spectra. |
| doi_str_mv | 10.1016/j.jmr.2009.01.022 |
| format | Article |
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T. To shim the field inhomogeneities inherent to magnet arrays constructed from these materials, a shim strategy based on the use of movable magnet blocks is employed. With this approach a reduction of the line-width from ∼20
kHz to less than 0.1
kHz was achieved, that is by more than two orders of magnitude, in a volume of 21
cm
3. Implementing a RARE sequence, 3D images of different objects placed in this volume were obtained in short experimental times. Moreover, by reducing the sample size to 1
cm
3, sub ppm resolution is obtained in
1H NMR spectra.</description><identifier>ISSN: 1090-7807</identifier><identifier>EISSN: 1096-0856</identifier><identifier>DOI: 10.1016/j.jmr.2009.01.022</identifier><identifier>PMID: 19217330</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Algorithms ; Citrus - anatomy & histology ; Construction Materials ; Data Interpretation, Statistical ; Halbach array ; Magnetic Resonance Imaging - instrumentation ; Magnetic Resonance Imaging - statistics & numerical data ; Magnetic Resonance Spectroscopy - instrumentation ; Magnetic Resonance Spectroscopy - statistics & numerical data ; Mobile NMR ; MRI ; Musa - anatomy & histology ; NMR spectroscopy ; Permanent magnet ; Phantoms, Imaging</subject><ispartof>Journal of magnetic resonance (1997), 2009-05, Vol.198 (1), p.80-87</ispartof><rights>2009 Elsevier Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-73c7c8ae2f04c71f10d21f9ed31d1aeff3e6f63db2bfa1a58ab02538321e026c3</citedby><cites>FETCH-LOGICAL-c382t-73c7c8ae2f04c71f10d21f9ed31d1aeff3e6f63db2bfa1a58ab02538321e026c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmr.2009.01.022$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19217330$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Danieli, Ernesto</creatorcontrib><creatorcontrib>Mauler, Jörg</creatorcontrib><creatorcontrib>Perlo, Juan</creatorcontrib><creatorcontrib>Blümich, Bernhard</creatorcontrib><creatorcontrib>Casanova, Federico</creatorcontrib><title>Mobile sensor for high resolution NMR spectroscopy and imaging</title><title>Journal of magnetic resonance (1997)</title><addtitle>J Magn Reson</addtitle><description>In this work we describe the construction of a mobile NMR tomograph with a highly homogeneous magnetic field. Fast MRI techniques as well as NMR spectroscopy measurements were carried out. The magnet is based on a Halbach array built from identical permanent magnet blocks generating a magnetic field of 0.22
T. To shim the field inhomogeneities inherent to magnet arrays constructed from these materials, a shim strategy based on the use of movable magnet blocks is employed. With this approach a reduction of the line-width from ∼20
kHz to less than 0.1
kHz was achieved, that is by more than two orders of magnitude, in a volume of 21
cm
3. Implementing a RARE sequence, 3D images of different objects placed in this volume were obtained in short experimental times. Moreover, by reducing the sample size to 1
cm
3, sub ppm resolution is obtained in
1H NMR spectra.</description><subject>Algorithms</subject><subject>Citrus - anatomy & histology</subject><subject>Construction Materials</subject><subject>Data Interpretation, Statistical</subject><subject>Halbach array</subject><subject>Magnetic Resonance Imaging - instrumentation</subject><subject>Magnetic Resonance Imaging - statistics & numerical data</subject><subject>Magnetic Resonance Spectroscopy - instrumentation</subject><subject>Magnetic Resonance Spectroscopy - statistics & numerical data</subject><subject>Mobile NMR</subject><subject>MRI</subject><subject>Musa - anatomy & histology</subject><subject>NMR spectroscopy</subject><subject>Permanent magnet</subject><subject>Phantoms, Imaging</subject><issn>1090-7807</issn><issn>1096-0856</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1LAzEQhoMofv8AL7Inb7vOJG2yiyCI-AV-gOg5ZLOTmrLd1KQV_PdGW_Cmh2Hm8LwvzMPYEUKFgPJ0Wk1nseIATQVYAecbbBehkSXUY7n5c0OpalA7bC-lKQDiWME228GGoxICdtn5Q2h9T0WiIYVYuDxvfvJWREqhXy58GIrHh-cizckuYkg2zD8LM3SFn5mJHyYHbMuZPtHheu-z1-url8vb8v7p5u7y4r60ouaLUgmrbG2IOxhZhQ6h4-ga6gR2aMg5QdJJ0bW8dQbNuDYt8LGoBUcCLq3YZyer3nkM70tKCz3zyVLfm4HCMmmpEBtQ8l9QjJQcKRAZxBVo81spktPzmJ-KnxpBf9vVU53t6m-7GlBnuzlzvC5ftjPqfhNrnRk4WwGUXXx4ijpZT4OlzscsUHfB_1H_BT9iikM</recordid><startdate>20090501</startdate><enddate>20090501</enddate><creator>Danieli, Ernesto</creator><creator>Mauler, Jörg</creator><creator>Perlo, Juan</creator><creator>Blümich, Bernhard</creator><creator>Casanova, Federico</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20090501</creationdate><title>Mobile sensor for high resolution NMR spectroscopy and imaging</title><author>Danieli, Ernesto ; Mauler, Jörg ; Perlo, Juan ; Blümich, Bernhard ; Casanova, Federico</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-73c7c8ae2f04c71f10d21f9ed31d1aeff3e6f63db2bfa1a58ab02538321e026c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Algorithms</topic><topic>Citrus - anatomy & histology</topic><topic>Construction Materials</topic><topic>Data Interpretation, Statistical</topic><topic>Halbach array</topic><topic>Magnetic Resonance Imaging - instrumentation</topic><topic>Magnetic Resonance Imaging - statistics & numerical data</topic><topic>Magnetic Resonance Spectroscopy - instrumentation</topic><topic>Magnetic Resonance Spectroscopy - statistics & numerical data</topic><topic>Mobile NMR</topic><topic>MRI</topic><topic>Musa - anatomy & histology</topic><topic>NMR spectroscopy</topic><topic>Permanent magnet</topic><topic>Phantoms, Imaging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Danieli, Ernesto</creatorcontrib><creatorcontrib>Mauler, Jörg</creatorcontrib><creatorcontrib>Perlo, Juan</creatorcontrib><creatorcontrib>Blümich, Bernhard</creatorcontrib><creatorcontrib>Casanova, Federico</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of magnetic resonance (1997)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Danieli, Ernesto</au><au>Mauler, Jörg</au><au>Perlo, Juan</au><au>Blümich, Bernhard</au><au>Casanova, Federico</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mobile sensor for high resolution NMR spectroscopy and imaging</atitle><jtitle>Journal of magnetic resonance (1997)</jtitle><addtitle>J Magn Reson</addtitle><date>2009-05-01</date><risdate>2009</risdate><volume>198</volume><issue>1</issue><spage>80</spage><epage>87</epage><pages>80-87</pages><issn>1090-7807</issn><eissn>1096-0856</eissn><abstract>In this work we describe the construction of a mobile NMR tomograph with a highly homogeneous magnetic field. Fast MRI techniques as well as NMR spectroscopy measurements were carried out. The magnet is based on a Halbach array built from identical permanent magnet blocks generating a magnetic field of 0.22
T. To shim the field inhomogeneities inherent to magnet arrays constructed from these materials, a shim strategy based on the use of movable magnet blocks is employed. With this approach a reduction of the line-width from ∼20
kHz to less than 0.1
kHz was achieved, that is by more than two orders of magnitude, in a volume of 21
cm
3. Implementing a RARE sequence, 3D images of different objects placed in this volume were obtained in short experimental times. Moreover, by reducing the sample size to 1
cm
3, sub ppm resolution is obtained in
1H NMR spectra.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>19217330</pmid><doi>10.1016/j.jmr.2009.01.022</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of magnetic resonance (1997), 2009-05, Vol.198 (1), p.80-87 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete - AutoHoldings; MEDLINE |
| subjects | Algorithms Citrus - anatomy & histology Construction Materials Data Interpretation, Statistical Halbach array Magnetic Resonance Imaging - instrumentation Magnetic Resonance Imaging - statistics & numerical data Magnetic Resonance Spectroscopy - instrumentation Magnetic Resonance Spectroscopy - statistics & numerical data Mobile NMR MRI Musa - anatomy & histology NMR spectroscopy Permanent magnet Phantoms, Imaging |
| title | Mobile sensor for high resolution NMR spectroscopy and imaging |
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