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Journal of Magnetic Resonance, Series B最新文献

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A New Variant of the 3D PFG Homonuclear Double-Quantum Experiments with NOESY and TOCSY Steps 具有NOESY和TOCSY步骤的三维PFG同核双量子实验的新变体
Journal of Magnetic Resonance, Series B Pub Date : 1996-08-01 DOI: 10.1006/jmrb.1996.0128
Claudio Dalvit
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引用次数: 1
Correlation-Peak Imaging 相关峰成像
Journal of Magnetic Resonance, Series B Pub Date : 1996-08-01 DOI: 10.1006/jmrb.1996.0124
A. Ziegler , A. Metzler , W. Köckenberger , M. Izquierdo , E. Komor , A. Haase , M. Décorps , M. von Kienlin
{"title":"Correlation-Peak Imaging","authors":"A. Ziegler ,&nbsp;A. Metzler ,&nbsp;W. Köckenberger ,&nbsp;M. Izquierdo ,&nbsp;E. Komor ,&nbsp;A. Haase ,&nbsp;M. Décorps ,&nbsp;M. von Kienlin","doi":"10.1006/jmrb.1996.0124","DOIUrl":"10.1006/jmrb.1996.0124","url":null,"abstract":"<div><p>Identification and quantitation in conventional<sup>1</sup>H spectroscopic imaging<em>in vivo</em>is often hampered by the small chemical-shift range. To improve the spectral resolution of spectroscopic imaging, homonuclear two-dimensional correlation spectroscopy has been combined with phase encoding of the spatial dimensions. From the theoretical description of the coherence-transfer signal in the Fourier-transform domain, a comprehensive acquisition and processing strategy is presented that includes optimization of the width and the position of the acquisition windows, matched filtering of the signal envelope, and graphical presentation of the cross peak of interest. The procedure has been applied to image the spatial distribution of the correlation peaks from specific spin systems in the hypocotyl of castor bean (<em>Ricinus communis</em>) seedlings. Despite the overlap of many resonances, correlation-peak imaging made it possible to observe a number of proton resonances, such as those of sucrose, β-glucose, glutamine/glutamate, lysine, and arginine.</p></div>","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 2","pages":"Pages 141-150"},"PeriodicalIF":0.0,"publicationDate":"1996-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0124","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19781157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
A Field-Gradient Coil Using Concentric Return Paths 使用同心返回路径的场梯度线圈
Journal of Magnetic Resonance, Series B Pub Date : 1996-08-01 DOI: 10.1006/jmrb.1996.0122
William W. Brey, Thomas H. Mareci, Jerry Dougherty
{"title":"A Field-Gradient Coil Using Concentric Return Paths","authors":"William W. Brey,&nbsp;Thomas H. Mareci,&nbsp;Jerry Dougherty","doi":"10.1006/jmrb.1996.0122","DOIUrl":"10.1006/jmrb.1996.0122","url":null,"abstract":"<div><p>An approach to transverse field-gradient coil design is presented which locates all current elements in planes perpendicular to the main magnetic field. The linear volume of the resulting coil structure can be made to extend nearly to both ends of the coil. This design is based on forming a concentric return path in the same plane as the field-producing arcs. The coil structure consists of stacked planar units which give a desired field-gradient configuration. The size of the linear-field region is optimized by varying the current in each plane, by varying the location of a plane relative to the others in the stack, or by varying both current and location. Coils with linear regions having a wide range of length-to-diameter ratios can be designed, as illustrated by two examples. The construction of a prototype coil is presented and its performance in imaging confirms the analysis. This type of design is suited to magnetic resonance of the human head without obstruction from the shoulders.</p></div>","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 2","pages":"Pages 124-130"},"PeriodicalIF":0.0,"publicationDate":"1996-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0122","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19781209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Verification of the Projection Resultant Method for Two-Bond13C–13C Coupling Sign Determinations in Carbohydrates 碳水化合物中二键13c - 13c偶联符号测定的投影合成法验证
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0111
Anthony S. Serianni , Paul B. Bondo , Jaroslav Zajicek
{"title":"Verification of the Projection Resultant Method for Two-Bond13C–13C Coupling Sign Determinations in Carbohydrates","authors":"Anthony S. Serianni ,&nbsp;Paul B. Bondo ,&nbsp;Jaroslav Zajicek","doi":"10.1006/jmrb.1996.0111","DOIUrl":"10.1006/jmrb.1996.0111","url":null,"abstract":"","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 69-74"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0111","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Amino-Acid-Type Identification for Deuterated Proteins with a β-Carbon-Edited HNCOCACB Experiment 用β-碳编辑HNCOCACB实验鉴定氘化蛋白的氨基酸型
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0117
Volker Dötsch, Hiroshi Matsuo, Gerhard Wagner
{"title":"Amino-Acid-Type Identification for Deuterated Proteins with a β-Carbon-Edited HNCOCACB Experiment","authors":"Volker Dötsch,&nbsp;Hiroshi Matsuo,&nbsp;Gerhard Wagner","doi":"10.1006/jmrb.1996.0117","DOIUrl":"10.1006/jmrb.1996.0117","url":null,"abstract":"","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 95-100"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0117","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Proton Detection of Choline and Lactate in EMT6 Tumors by Spin-Echo-Enhanced Selective Multiple-Quantum-Coherence Transfer 利用自旋回波增强选择性多量子相干转移质子检测EMT6肿瘤中的胆碱和乳酸
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0104
Qiuhong He , Zaver M. Bhujwalla, Jerry D. Glickson
{"title":"Proton Detection of Choline and Lactate in EMT6 Tumors by Spin-Echo-Enhanced Selective Multiple-Quantum-Coherence Transfer","authors":"Qiuhong He ,&nbsp;Zaver M. Bhujwalla,&nbsp;Jerry D. Glickson","doi":"10.1006/jmrb.1996.0104","DOIUrl":"10.1006/jmrb.1996.0104","url":null,"abstract":"<div><p>An extension of the Sel-MQC pulse sequence—SEE-SelMQC (spin-echo-enhanced selective multiple-quantum coherence transfer)—that completely suppresses lipid and water in tissues containing mobile lipid in a single scan and detects<sup>1</sup>H resonances of multiple metabolites is described. As in the Sel-MQC lactate-editing experiments [Q. He<em>et al., J. Magn. Reson. B</em>106, 203 (1995)], SEE-SelMQC acquires lactate from its ZQ → DQ coherence-transfer pathway; in addition, the method recovers signal from other metabolites by selective generation of additional spin echoes using extra frequency-selective pulses and gradients. This method introduces no loss of lactate signal intensity beyond the 50% that is lost through the multiple-quantum coherence-transfer process. The spatial distributions of choline and lactate with a phantom and<em>in vivo,</em>in subcutaneously implanted murine EMT6 tumors, have been simultaneously mapped.</p></div>","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 18-25"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 42
Application of the Quadrupolar Carr–Purcell–Meiboom–Gill Pulse Train for Sensitivity Enhancement in Deuteron NMR of Liquid Crystals 四极性carr - purcell - meiboomm - gill脉冲序列在液晶氘核磁共振灵敏度增强中的应用
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0108
R.S. Prosser , N.J. Heaton , G. Kothe
{"title":"Application of the Quadrupolar Carr–Purcell–Meiboom–Gill Pulse Train for Sensitivity Enhancement in Deuteron NMR of Liquid Crystals","authors":"R.S. Prosser ,&nbsp;N.J. Heaton ,&nbsp;G. Kothe","doi":"10.1006/jmrb.1996.0108","DOIUrl":"10.1006/jmrb.1996.0108","url":null,"abstract":"","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 51-57"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0108","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Carbon-Relayed Correlation of Intranucleotide Sugar H1′ and Base H6/H8 Protons in Oligonucleotides at Natural Abundance 天然丰度寡核苷酸中核苷酸内糖H1′和碱基H6/H8质子的碳传递相关性
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0112
V.V. Krishnamurthy
{"title":"Carbon-Relayed Correlation of Intranucleotide Sugar H1′ and Base H6/H8 Protons in Oligonucleotides at Natural Abundance","authors":"V.V. Krishnamurthy","doi":"10.1006/jmrb.1996.0112","DOIUrl":"10.1006/jmrb.1996.0112","url":null,"abstract":"","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 75-78"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0112","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Simple, Distortion-Free Homonuclear Spectra of Peptides and Nucleic Acids in Water Using Excitation Sculpting 简单，无扭曲的多肽和核酸的同核光谱在水中使用激发雕刻
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0114
Dana Callihan , John West , Surat Kumar , Barry I. Schweitzer , Timothy M. Logan
{"title":"Simple, Distortion-Free Homonuclear Spectra of Peptides and Nucleic Acids in Water Using Excitation Sculpting","authors":"Dana Callihan ,&nbsp;John West ,&nbsp;Surat Kumar ,&nbsp;Barry I. Schweitzer ,&nbsp;Timothy M. Logan","doi":"10.1006/jmrb.1996.0114","DOIUrl":"10.1006/jmrb.1996.0114","url":null,"abstract":"","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 82-85"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0114","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
High-Resolution Solid-State NMR Spectra of Integral Membrane Proteins Reconstituted into Magnetically Oriented Phospholipid Bilayers 整体膜蛋白重组成磁性磷脂双层的高分辨率固态核磁共振光谱
Journal of Magnetic Resonance, Series B Pub Date : 1996-07-01 DOI: 10.1006/jmrb.1996.0116
Kathleen P. Howard, Stanley J. Opella
{"title":"High-Resolution Solid-State NMR Spectra of Integral Membrane Proteins Reconstituted into Magnetically Oriented Phospholipid Bilayers","authors":"Kathleen P. Howard,&nbsp;Stanley J. Opella","doi":"10.1006/jmrb.1996.0116","DOIUrl":"10.1006/jmrb.1996.0116","url":null,"abstract":"","PeriodicalId":16130,"journal":{"name":"Journal of Magnetic Resonance, Series B","volume":"112 1","pages":"Pages 91-94"},"PeriodicalIF":0.0,"publicationDate":"1996-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmrb.1996.0116","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19638089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 80
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