JPH044892B2 - - Google Patents
Info
- Publication number
- JPH044892B2 JPH044892B2 JP62015361A JP1536187A JPH044892B2 JP H044892 B2 JPH044892 B2 JP H044892B2 JP 62015361 A JP62015361 A JP 62015361A JP 1536187 A JP1536187 A JP 1536187A JP H044892 B2 JPH044892 B2 JP H044892B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse
- pulse signal
- magnetic field
- midpoint
- 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 - Lifetime
Links
- 230000004044 response Effects 0.000 claims description 112
- 238000005481 NMR spectroscopy Methods 0.000 claims description 65
- 230000002123 temporal effect Effects 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 35
- 230000005284 excitation Effects 0.000 claims description 25
- 238000003384 imaging method Methods 0.000 claims description 12
- 108010076504 Protein Sorting Signals Proteins 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 10
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000011159 matrix material Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 230000005415 magnetization Effects 0.000 description 11
- 230000001846 repelling effect Effects 0.000 description 11
- 230000003595 spectral effect Effects 0.000 description 11
- 239000000523 sample Substances 0.000 description 10
- 238000001228 spectrum Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000000819 phase cycle Methods 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 238000004611 spectroscopical analysis Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 210000001185 bone marrow Anatomy 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000000140 multiple quantum filter Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000079 presaturation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000012731 temporal analysis Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/822,730 US4680546A (en) | 1986-01-27 | 1986-01-27 | Methods of, and pulse sequences for, the supression of undesired resonances by generation of quantum coherence in NMR imaging and spectroscopy |
US822730 | 2001-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62194845A JPS62194845A (ja) | 1987-08-27 |
JPH044892B2 true JPH044892B2 (US20080094685A1-20080424-C00004.png) | 1992-01-29 |
Family
ID=25236809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62015361A Granted JPS62194845A (ja) | 1986-01-27 | 1987-01-27 | 不所望の応答信号を抑圧する方法と装置 |
Country Status (6)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110325268A (zh) * | 2016-12-29 | 2019-10-11 | 通用电气公司 | 混合系统 |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4701708A (en) * | 1986-08-01 | 1987-10-20 | General Electric Company | Polarization transfer by selective homonuclear technique for suppression of uncoupled spins in NMR spectroscopy |
GB8718723D0 (en) * | 1987-08-07 | 1987-09-16 | Hall L D | Investigating sample using nmr |
NL8701889A (nl) * | 1987-08-12 | 1989-03-01 | Philips Nv | Volume selektieve spektroscopie door middel van gerefokusseerde echo's. |
NL8702700A (nl) * | 1987-11-12 | 1989-06-01 | Philips Nv | Werkwijze en inrichting voor automatische fasecorrectie van complexe nmr spectra. |
DE3739856A1 (de) * | 1987-11-25 | 1989-06-08 | Philips Patentverwaltung | Kernresonanz-spektroskopieverfahren |
US5101158A (en) * | 1988-04-20 | 1992-03-31 | Hall Laurence D | Investigating a sample using NMR |
NL8900506A (nl) * | 1989-03-02 | 1990-10-01 | Philips Nv | Magnetische resonantiewerkwijze voor het verkrijgen van geselekteerde spektra. |
DE3914302C2 (de) * | 1989-04-29 | 1994-01-13 | Bruker Analytische Messtechnik | Verfahren zur Aufnahme von Spinresonanzspektren |
DE3914301A1 (de) * | 1989-04-29 | 1990-10-31 | Bruker Medizintech | Verfahren zur aufnahme von spinresoneanzspektren und zur spinresonanz-bildgebung |
DE3914351A1 (de) * | 1989-04-29 | 1990-10-31 | Bruker Medizintech | Verfahren zur aufnahme von spinresonanzspektren |
EP0422170B1 (de) * | 1989-04-29 | 1997-01-15 | University Of Queensland | Verfahren zur aufnahme von spinresonanzspektren |
DE3920433A1 (de) * | 1989-06-22 | 1991-01-03 | Philips Patentverwaltung | Kernresonanzabbildungsverfahren |
DE4018683A1 (de) * | 1989-06-23 | 1991-01-10 | Siemens Ag | Schichtprofiloptimierung fuer ein mit einer gradientenechosequenz betriebenes kernspin-tomographiegeraet |
US5150053A (en) * | 1989-07-28 | 1992-09-22 | The Board Of Trustees Of The Leland Stanford Junior University | Magnetic resonance imaging of short T2 species with improved contrast |
NL8902003A (nl) * | 1989-08-04 | 1991-03-01 | Philips Nv | 2-quantum selectieve nmr sequentie voor het selectief bepalen van een kernmagnetisatieverdeling van een metaboliet. |
DE3925972A1 (de) * | 1989-08-05 | 1991-02-07 | Philips Patentverwaltung | Kernresonanz-spektroskopieverfahren und anordnung zur durchfuehrung des verfahrens |
FR2653901B1 (fr) * | 1989-10-27 | 1991-12-27 | Commissariat Energie Atomique | Flacon a double paroi pour sonde a rmn. |
US5162734A (en) * | 1991-03-08 | 1992-11-10 | Elbit-Ati, Ltd. | Method and apparatus for obtaining an nmr signal having a preselected frequency domain |
US5168229A (en) * | 1991-04-02 | 1992-12-01 | General Electric Company | Multidimensional nmr spectroscopy using switched acquisition time gradients for multiple coherence transfer pathway detection |
US5221899A (en) * | 1991-04-29 | 1993-06-22 | The Trustees Of Columbia University In The City Of New York | Signal acquisition in magnetic resonance analysis |
US5262723A (en) * | 1991-07-09 | 1993-11-16 | General Electric Company | Method and apparatus for obtaining pure-absorption two-dimensional lineshape data for multidimensional NMR spectroscopy using switched acquisition time gradients |
US5214380A (en) * | 1991-09-30 | 1993-05-25 | General Electric Company | Velocity-resolved NMR spectroscopy |
US5321359A (en) * | 1993-03-29 | 1994-06-14 | General Electric Company | Selective imaging among three or more chemical species |
US5627588A (en) * | 1995-03-30 | 1997-05-06 | International Business Machines Corporation | Video signal processing stripe color demodulator system and method |
US5510713A (en) * | 1995-06-30 | 1996-04-23 | General Electric Company | Technique for selective fat saturation in MR imaging |
US6144199A (en) * | 1997-08-18 | 2000-11-07 | Ramot University Authority For Applied Research And Industrial Development Ltd. | Method for imaging vessel wall anatomy and strain |
US6605942B1 (en) * | 1998-03-20 | 2003-08-12 | The Trustees Of Princeton University | Method and apparatus for improvement of magnetic resonance imaging contrast |
EP1706754A1 (en) | 2003-07-28 | 2006-10-04 | University Of Southampton | Nmr spectroscopy using spin states with long lifetimes |
US7777485B2 (en) * | 2006-08-15 | 2010-08-17 | General Electric Company | Method for multiplexed MR tracking |
US8583213B2 (en) * | 2006-09-12 | 2013-11-12 | General Electric Company | Combined MR imaging and tracking |
US9285443B2 (en) * | 2007-11-07 | 2016-03-15 | University of Pittsburgh—of the Commonwealth System of Higher Education | MSC-SelMQC method for simultaneous mapping of polyunsaturated fatty acids, lactate and choline in high fat tissues |
US9733326B2 (en) * | 2007-11-07 | 2017-08-15 | University of Pittsburgh—of the Commonwealth System of Higher Education | Selective zero-quantum coherence transfer (Sel-ZQC) method for metabolite imaging in a poorly shimmed magnet field without susceptibility artifact |
US9075122B2 (en) * | 2009-11-06 | 2015-07-07 | New York University | Method, system and computer-accessible medium for providing multiple-quantum-filtered imaging |
US8378679B2 (en) * | 2009-12-04 | 2013-02-19 | Siemens Medical Solutions Usa, Inc. | Coherent signal acquisition system for MR imaging and spectroscopy |
RU2477907C2 (ru) * | 2010-12-23 | 2013-03-20 | Государственное образовательное учреждение высшего профессионального образования "Российский университет дружбы народов" (РУДН) | Способ формирования спиновых волн |
CN110516811B (zh) * | 2019-08-30 | 2023-04-18 | 南方科技大学 | 一种量子态确定方法、装置、设备和存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60168041A (ja) * | 1983-12-14 | 1985-08-31 | ゼネラル・エレクトリツク・カンパニイ | Nmr作像方法と装置 |
JPS62142541A (ja) * | 1985-12-12 | 1987-06-25 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 磁気共鳴断層撮影方法および装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4134058A (en) * | 1977-11-28 | 1979-01-09 | Varian Associates, Inc. | Selective detection of multiple quantum transitions in nuclear magnetic resonance |
DE2833853C2 (de) * | 1978-08-02 | 1985-11-21 | Spectrospin AG, Fällanden, Zürich | Verfahren zur Aufnahme von Kernspinresonanzspektren und Vorrichtung zur Durchführung des Verfahrens |
US4238735A (en) * | 1979-02-21 | 1980-12-09 | Varian Associates, Inc. | Indirect detection of nuclear spins of low gyromagentic ratio coupled to spins of high gyromagnetic ratio |
DE3143625C2 (de) * | 1981-11-04 | 1985-11-28 | Spectrospin AG, Fällanden, Zürich | Verfahren zur Aufnahme von Kernresonanzspektren von Molekülen in einem zweidimensionalen Frequenzbereich und Kernresonanzspektrometer zur Durchführung des Verfahrens |
-
1986
- 1986-01-27 US US06/822,730 patent/US4680546A/en not_active Expired - Fee Related
- 1986-10-10 IL IL80281A patent/IL80281A0/xx not_active IP Right Cessation
-
1987
- 1987-01-16 DE DE8787100525T patent/DE3766735D1/de not_active Expired - Fee Related
- 1987-01-16 EP EP87100525A patent/EP0239724B1/en not_active Expired
- 1987-01-23 FI FI870295A patent/FI870295A/fi not_active Application Discontinuation
- 1987-01-27 JP JP62015361A patent/JPS62194845A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60168041A (ja) * | 1983-12-14 | 1985-08-31 | ゼネラル・エレクトリツク・カンパニイ | Nmr作像方法と装置 |
JPS62142541A (ja) * | 1985-12-12 | 1987-06-25 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 磁気共鳴断層撮影方法および装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110325268A (zh) * | 2016-12-29 | 2019-10-11 | 通用电气公司 | 混合系统 |
Also Published As
Publication number | Publication date |
---|---|
JPS62194845A (ja) | 1987-08-27 |
EP0239724A3 (en) | 1988-01-27 |
US4680546A (en) | 1987-07-14 |
EP0239724A2 (en) | 1987-10-07 |
EP0239724B1 (en) | 1990-12-19 |
FI870295A (fi) | 1987-07-28 |
DE3766735D1 (de) | 1991-01-31 |
IL80281A0 (en) | 1987-01-30 |
FI870295A0 (fi) | 1987-01-23 |
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