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Journal of Magnetic Resonance (1969)最新文献

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Optimization of multidimensional NMR using band-selective pulses 利用带选择脉冲优化多维核磁共振
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90276-D
Bernhard Brutscher, Jean-Pierre Simorre, Dominique Marion
{"title":"Optimization of multidimensional NMR using band-selective pulses","authors":"Bernhard Brutscher, Jean-Pierre Simorre, Dominique Marion","doi":"10.1016/0022-2364(92)90276-D","DOIUrl":"10.1016/0022-2364(92)90276-D","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 416-424"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90276-D","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72934979","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: 6
Indirect detection of spin-1 nuclei. Application and product-operator description of “inverse”-correlation experiments with InSm spin systems 间接探测自旋为1的原子核。InSm自旋系统“逆”相关实验的应用及乘积算子描述
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90259-A
Daniel Nanz, Wolfgang Von Philipsborn
{"title":"Indirect detection of spin-1 nuclei. Application and product-operator description of “inverse”-correlation experiments with InSm spin systems","authors":"Daniel Nanz,&nbsp;Wolfgang Von Philipsborn","doi":"10.1016/0022-2364(92)90259-A","DOIUrl":"10.1016/0022-2364(92)90259-A","url":null,"abstract":"<div><p>Examples for the indirect detection of spin <em>S</em> = 1 nuclei by a twofold coherence transfer I → S → I are shown. The product-operator formalism for spin-l nuclei is summarized and employed for the rationalization of the experiments. Systematic approaches to the design of the experiments are discussed. It is demonstrated how (<sup>1</sup>H = I, <sup>2</sup>H = S) correlation techniques can be used for the assignment of the <sup>2</sup>H resonances of partially deuterated transition-metal polyhydrido-complexes. Expectations based on our theoretical description of coherence-transfer mechanisms are shown to agree with experimental results of (<sup>13</sup>C, <sup>2</sup>H) and (<sup>1</sup>H, <sup>14</sup>N) correlation experiments, using deuterated solvents and ammonium chloride as samples.</p></div>","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 243-255"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90259-A","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88309812","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: 6
Anisotropic 23Na spin relaxation in liquid crystals. Determination of all nine spectral densities for a hexagonal lyotropic phase 液晶中的各向异性23Na自旋弛豫。六方溶致相九种光谱密度的测定
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90261-5
Per-Ola Quist, Inge Blom, Bertil Halle
{"title":"Anisotropic 23Na spin relaxation in liquid crystals. Determination of all nine spectral densities for a hexagonal lyotropic phase","authors":"Per-Ola Quist,&nbsp;Inge Blom,&nbsp;Bertil Halle","doi":"10.1016/0022-2364(92)90261-5","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90261-5","url":null,"abstract":"<div><p>The orientation dependence of three independent <sup>23</sup>Na relaxation rates is determined from measurements on the counterions in a magnetically aligned hexagonal lyotropic liquid crystal. The data allow us to determine the nine director-frame spectral densities that comprise the full information content of the spin-relaxation behavior of a quadrupolar nucleus in a uniaxial phase. The model-independent director-frame spectral densities provide important information about the time scale and rotational symmetry of the anisotropic motions in the phase. More detailed information is obtained by invoking a specific dynamic model that separates dynamic and structural factors. The six high-frequency spectral densities are quantitatively accounted for in terms of fast local motions and counterion surface diffusion around the cylindrical surfactant aggregates, while the three zero-frequency spectral densities contain large contributions from diffusion-modulated director fluctuations.</p></div>","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 267-281"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90261-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91631682","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: 7
Automated NMR structure refinement via NOE peak volumes. Application to a dodecamer DNA duplex 通过NOE峰值体积自动NMR结构优化。十二聚体DNA双链的应用
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90271-8
Seong-Gi Kim , Brian R Reid
{"title":"Automated NMR structure refinement via NOE peak volumes. Application to a dodecamer DNA duplex","authors":"Seong-Gi Kim ,&nbsp;Brian R Reid","doi":"10.1016/0022-2364(92)90271-8","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90271-8","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 382-390"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90271-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90001358","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: 16
Multidimensional NMR experiments with improved resolution 改进分辨率的多维核磁共振实验
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90278-F
Jens Chr Madsen , Ole Winneche Sørensen
{"title":"Multidimensional NMR experiments with improved resolution","authors":"Jens Chr Madsen ,&nbsp;Ole Winneche Sørensen","doi":"10.1016/0022-2364(92)90278-F","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90278-F","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 431-436"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90278-F","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90001373","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: 18
Theory and simulations of molecular dynamics in 2H MAS NMR 2H MAS核磁共振分子动力学的理论与模拟
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90279-G
Jørgen H Kristensen, Henrik Bildsøe, Hans J Jakobsen, Niels Chr Nielsen
{"title":"Theory and simulations of molecular dynamics in 2H MAS NMR","authors":"Jørgen H Kristensen,&nbsp;Henrik Bildsøe,&nbsp;Hans J Jakobsen,&nbsp;Niels Chr Nielsen","doi":"10.1016/0022-2364(92)90279-G","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90279-G","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 437-443"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90279-G","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90001372","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: 45
Cross-polarization double-rotation NMR 交叉极化双旋转核磁共振
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90277-E
Y Wu, D Lewis, J.S Frye, A.R Palmer, R.A Wind
{"title":"Cross-polarization double-rotation NMR","authors":"Y Wu,&nbsp;D Lewis,&nbsp;J.S Frye,&nbsp;A.R Palmer,&nbsp;R.A Wind","doi":"10.1016/0022-2364(92)90277-E","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90277-E","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 425-430"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90277-E","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91631780","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: 21
An improved technique for correlating backbone amide protons with 15N and Hα protons (HN(CA)H) in isotopically enriched proteins 同位素富集蛋白中主酰胺质子与15N和Hα质子(HN(CA)H)关联的改进技术
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90274-B
Stephan Seip, Jochen Balbach, Horst Kessler
{"title":"An improved technique for correlating backbone amide protons with 15N and Hα protons (HN(CA)H) in isotopically enriched proteins","authors":"Stephan Seip,&nbsp;Jochen Balbach,&nbsp;Horst Kessler","doi":"10.1016/0022-2364(92)90274-B","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90274-B","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 406-410"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90274-B","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91631685","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: 28
Mapping flow streamlines by multistripe tagging 通过多条带标记映射流流线
Journal of Magnetic Resonance (1969) Pub Date : 1992-11-01 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90270-H
M.V Icenogle , A Caprihan , Eiichi Fukushima
{"title":"Mapping flow streamlines by multistripe tagging","authors":"M.V Icenogle ,&nbsp;A Caprihan ,&nbsp;Eiichi Fukushima","doi":"10.1016/0022-2364(92)90270-H","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90270-H","url":null,"abstract":"","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 2","pages":"Pages 376-381"},"PeriodicalIF":0.0,"publicationDate":"1992-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90270-H","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91631687","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: 10
Fast spectral-spatial EPR imaging with modulated gradient and simultaneous field scan 具有调制梯度和同步场扫描的快速光谱空间EPR成像
Journal of Magnetic Resonance (1969) Pub Date : 1992-10-15 Epub Date: 2004-07-13 DOI: 10.1016/0022-2364(92)90370-M
Thomas Herrling, Kai-Uwe Thiessenhusen, Uwe Ewert
{"title":"Fast spectral-spatial EPR imaging with modulated gradient and simultaneous field scan","authors":"Thomas Herrling,&nbsp;Kai-Uwe Thiessenhusen,&nbsp;Uwe Ewert","doi":"10.1016/0022-2364(92)90370-M","DOIUrl":"https://doi.org/10.1016/0022-2364(92)90370-M","url":null,"abstract":"<div><p>Spectral spatial EPR imaging with <em>mo</em>dulated gradient and simultaneous field scan (MOSS) was investigated with regard to its spectral and spatial resolution and its total measuring time. The gradient coil system is used to overlap the fast field scan with a modulated field gradient. The complete image was measured in 64 s, utilizing a gradient-modulation frequency of 66 s<sup>−1</sup>. This technique does not require image reconstruction. The influence of different modulation functions (cosine and triangular) and of a partial blanking of the applied cosine-modulated signal on the spectral-spatial image is discussed. The partial-blanking method is most suitable for fast imaging and best image quality.</p></div>","PeriodicalId":100800,"journal":{"name":"Journal of Magnetic Resonance (1969)","volume":"100 1","pages":"Pages 123-138"},"PeriodicalIF":0.0,"publicationDate":"1992-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2364(92)90370-M","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91632261","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: 5
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