摘要:

AbstractThe principles of NMR imaging of flow are discussed in detail. Particular emphasis is given to basic concepts. The various methods are classified, and practical details of their implementation are explained. Quantitative flow‐imaging techniques are described and illustrated by examples obtained from a simple flow phanto

ISSN:1043-7347    

DOI:10.1002/cmr.1820050402

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

摘要:

AbstractRotational resonance (RR) NMR is a magic angle spinning‐based method for measuring internuclear distances through homonuclear dipolar couplings. RR NMR data obtained from crystals of a hydrophobic α‐helical peptide are used to illustrate general experimental considerations in generating RR magnetization exchange curves and in translating the observed exchange rates into internuclear distances. The extension of RR methods to structural studies of membranes is demonstrated by intramolecular measurements within the transmembrane domain of glycophorin A and between13C‐labeled sites in lipid bi

ISSN:1043-7347    

DOI:10.1002/cmr.1820050403

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

摘要:

AbstractIn solution, the effect of quadrupolar nuclei on the resonances of spin‐% nuclei are confined to relaxation processes and, in favorable cases, to J‐coupling interactions. In the solid state, however, an interesting phenomenon takes place: the appearance of unexpected field‐dependent multiplicities. The application of a perturbation approach to the understanding of these multiplicities is discussed; particular attention is given to the13C,l4N spin

ISSN:1043-7347    

DOI:10.1002/cmr.1820050404

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:1043-7347    

DOI:10.1002/cmr.1820050405

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:1043-7347    

DOI:10.1002/cmr.1820050406

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY

ISSN:1043-7347    

DOI:10.1002/cmr.1820050401

出版商:John Wiley&Sons, Inc.    

年代:1993

数据来源: WILEY