JP5170686B2 - 核磁気共鳴法を用いた測定装置および測定方法 - Google Patents

核磁気共鳴法を用いた測定装置および測定方法 Download PDF

Info

Publication number
JP5170686B2
JP5170686B2 JP2008537406A JP2008537406A JP5170686B2 JP 5170686 B2 JP5170686 B2 JP 5170686B2 JP 2008537406 A JP2008537406 A JP 2008537406A JP 2008537406 A JP2008537406 A JP 2008537406A JP 5170686 B2 JP5170686 B2 JP 5170686B2
Authority
JP
Japan
Prior art keywords
magnetic field
current
sample
coil
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2008537406A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2008041361A1 (ja
Inventor
邦康 小川
智之 拝師
衡平 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keio University
Original Assignee
Keio University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Keio University filed Critical Keio University
Priority to JP2008537406A priority Critical patent/JP5170686B2/ja
Publication of JPWO2008041361A1 publication Critical patent/JPWO2008041361A1/ja
Application granted granted Critical
Publication of JP5170686B2 publication Critical patent/JP5170686B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3808Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5617Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using RF refocusing, e.g. RARE

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2008537406A 2006-09-29 2007-09-28 核磁気共鳴法を用いた測定装置および測定方法 Expired - Fee Related JP5170686B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008537406A JP5170686B2 (ja) 2006-09-29 2007-09-28 核磁気共鳴法を用いた測定装置および測定方法

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2006268976 2006-09-29
JP2006268976 2006-09-29
JP2007126039 2007-05-10
JP2007126039 2007-05-10
JP2007200654 2007-08-01
JP2007200654 2007-08-01
JP2008537406A JP5170686B2 (ja) 2006-09-29 2007-09-28 核磁気共鳴法を用いた測定装置および測定方法
PCT/JP2007/001055 WO2008041361A1 (fr) 2006-09-29 2007-09-28 Dispositif de mesure et procédé de mesure utilisant un procédé de résonance magnétique nucléaire

Publications (2)

Publication Number Publication Date
JPWO2008041361A1 JPWO2008041361A1 (ja) 2010-02-04
JP5170686B2 true JP5170686B2 (ja) 2013-03-27

Family

ID=39268227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008537406A Expired - Fee Related JP5170686B2 (ja) 2006-09-29 2007-09-28 核磁気共鳴法を用いた測定装置および測定方法

Country Status (2)

Country Link
JP (1) JP5170686B2 (fr)
WO (1) WO2008041361A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5337569B2 (ja) * 2008-05-13 2013-11-06 学校法人慶應義塾 燃料電池システム
JP5513783B2 (ja) * 2009-06-17 2014-06-04 学校法人慶應義塾 測定装置および燃料電池システム
WO2011094659A2 (fr) * 2010-02-01 2011-08-04 Clear-Cut Medical Ltd. Evaluation de la marge d'un échantillon ex vivo
FI128224B (fi) * 2010-08-31 2020-01-15 Vaisala Oyj Matalakenttäinen ydinmagneettiresonanssilaite kiintoaineiden ja lietteiden vesipitoisuuden mittaamiseksi
JP2014098716A (ja) * 2014-02-19 2014-05-29 Keio Gijuku 測定装置および燃料電池システム
JP6864291B2 (ja) * 2017-07-14 2021-04-28 三菱重工業株式会社 分離膜装置の汚損度評価方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60190846A (ja) * 1984-03-10 1985-09-28 Jeol Ltd 核磁気共鳴装置
JP2007051990A (ja) * 2005-08-19 2007-03-01 Keio Gijuku 核磁気共鳴法を用いて膜の透過特性を測定する測定装置および測定方法
JP2007121037A (ja) * 2005-10-26 2007-05-17 Keio Gijuku 磁気共鳴法を用いて試料中のプロトン性溶媒の挙動の分布を測定する測定装置、測定方法およびプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60190846A (ja) * 1984-03-10 1985-09-28 Jeol Ltd 核磁気共鳴装置
JP2007051990A (ja) * 2005-08-19 2007-03-01 Keio Gijuku 核磁気共鳴法を用いて膜の透過特性を測定する測定装置および測定方法
JP2007121037A (ja) * 2005-10-26 2007-05-17 Keio Gijuku 磁気共鳴法を用いて試料中のプロトン性溶媒の挙動の分布を測定する測定装置、測定方法およびプログラム

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
JPN6012062992; G.C.Scott et al.: 'Sensitivity of Magnetic-Resonance Current-Density Imaging' Journal of Magnetic Resonance Vol.97, 1992, pp.235-254 *
JPN6012062994; WEICHUAN CHIAO et al.: 'The Absolute Measurement of the Ampere by Means of NMR' IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT Vol.IM-29 No.4, 1980, pp.238-242 *
JPN7012004960; 小川邦康 他: 'マルチNMRセンサーによる固体高分子電解質膜内含水量分布のリアルタイム計測' 第10回NMRマイクロイメージング研究会 講演要旨集 , 200607, pp.32-35 *
JPN7012004961; 小川邦康 他: 'マルチNMRセンサーによる水電界運転時のPEM内含水量の分布計測' 熱工学コンファレンス講演論文集 No.06-2, 20061123, pp.245-246 *
JPN7012004962; 小川邦康 他: '小型表面コイルによる燃料電池用固体高分子電解質膜内の水分子の局所自己拡散係数' 熱工学コンファレンス講演論文集 No.05-17, 20051102, pp.237-238 *
JPN7012004963; 畑田寛久 他: 'FEMに基づいたMRI撮像時の脳内RF電磁界分布' 日本応用磁気学会誌 Vol.29 No.3, 20050301, pp.364-367 *
JPN7012004964; Bogdan Buhai et al.: 'Dissimilar Electro-Osmotic Flow and Ionic Current Recirculation Patterns in Porous Media Detected by' Physical Review Letters Vol.96 No.17, 2006, pp.174501-1〜174501-4 *

Also Published As

Publication number Publication date
JPWO2008041361A1 (ja) 2010-02-04
WO2008041361A1 (fr) 2008-04-10

Similar Documents

Publication Publication Date Title
JP4997380B2 (ja) 試料中のプロトン性溶媒の易動性を局所的に測定する方法、試料中のプロトン性溶媒の易動性を局所的に測定する装置
Liimatainen et al. MRI contrast from relaxation along a fictitious field (RAFF)
JP5170686B2 (ja) 核磁気共鳴法を用いた測定装置および測定方法
Minard et al. Magnetic resonance imaging (MRI) of PEM dehydration and gas manifold flooding during continuous fuel cell operation
JP4798350B2 (ja) 磁気共鳴法を用いて試料中のプロトン性溶媒の挙動の分布を測定する測定装置、測定方法およびプログラム
Vashaee et al. Mapping B1-induced eddy current effects near metallic structures in MR images: A comparison of simulation and experiment
Britton Magnetic resonance imaging of electrochemical cells containing bulk metal
Xu et al. Construction and applications of an atomic magnetic gradiometer based on nonlinear magneto-optical rotation
JP4849623B2 (ja) 試料中のプロトン性溶媒量を局所的に測定する方法、装置
Liu et al. Pulsed-field nuclear magnetic resonance: Status and prospects
JP5337569B2 (ja) 燃料電池システム
Tamski et al. Electrochemical Overhauser dynamic nuclear polarization
JP4997620B2 (ja) 核磁気共鳴法を用いて膜の透過特性を測定する測定装置および測定方法
Koppe et al. Frequency-swept ultra-wideline magic-angle spinning NMR spectroscopy
Tsushima et al. Magnetic resonance imaging of water in operating polymer electrolyte membrane fuel cells
JP5212972B2 (ja) 計測装置および計測方法
JP2016145723A (ja) セルモデル、計測システム及び同時計測方法
Ramírez Aguilera et al. Optimization of a parallel‐plate RF probe for high resolution thin film imaging
JP6917251B2 (ja) 測定解析装置、燃料電池システム及び測定解析方法
JP5337413B2 (ja) 燃料電池用測定装置および燃料電池システム
Ogawa et al. Development of an eight-channel NMR system using RF detection coils for measuring spatial distributions of current density and water content in the PEM of a PEFC
JP5257994B2 (ja) 測定装置および測定方法
JP5513783B2 (ja) 測定装置および燃料電池システム
CN217085237U (zh) 一种利用流动的液体来精确测量磁场的仪器
JP5046203B6 (ja) 測定装置およびこれを備える燃料電池、ならびに測定方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100927

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100928

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121204

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20121220

R150 Certificate of patent or registration of utility model

Ref document number: 5170686

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees