J cross polarization

Kunze C and Kimmich R 1994 Proton-detected C imaging using cyclic-J cross polarization Magn. Reson. Imaging 12 805-10... 

The technique of J-cross-polarization (JCP), which is based on crossrelaxation between heteronuclear J-coupled spins, is an alternative... 

L. Mancini, G. S. Pajme and M. O. Leach, Implementation and evaluation of CSl-localized J cross-polarization for detection of P magnetic resonance spectra in vivo. Magn. Reson. Med., 2005, 54,1065-1071. 

Various authors have used different names for Hartmann-Hahn-type experiments that emphasize distinct experimental or theoretical aspects. For example, heteronuclear Hartmann-Hahn transfer in liquids has been called coherence transfer in the rotating frame (Muller and Ernst, 1979), J cross-polarization (JCP Chingas et al., 1981), heteronuclear crosspolarization (Ernst et al., 1991), HEHAHA (heteronuclear Hartmann-Hahn transfer Morris and Gibbs, 1991), and hetero TOCSY (total correlation spectroscopy Brown and Sanctuary, 1991). Homonuclear Hartmann-Hahn transfer has been referred to as TOCSY (Braunschweiler... 

Refocused J cross-polarization Rotating frame nuclear Overhauser enhancement Rotating frame nuclear Overhauser enhancement spectroscopy... 

ROESY-TOCSY experiment Selective inverse detection of C-H correlation Scalar heteronuclear recoupled interaction by multiple pulse Simulation program one Selectively inverted soft PICSY Singular value decomposition Tailored correlation spectroscopy Triple-resonance J cross-polarization Total correlation spectroscopy TOCSY-ROESY experiment TOCSY without NOESY... 

Bertrand, "Adiabatic J cross-polarization in liquids for signal enhancement in NMR," J. Am. Chem. Soc. 102, 2526-2528 (1980). 

The ratio of sucrose-derived hexoses, fructose and glucose, in the floral nectar of Anigozanthos flavidus (Haemodoraceae) was observed to be different from 1 1, which cannot be explained by the simple action of inver-tases. Various NMR techniques were used to investigate how such an unbalanced ratio of the two nectar hexoses can be formed. In vivo MRI (e.g. cyclic J cross-polarization) was used to detect carbohydrates in vascular bundles and H-1 spin echo imaging non-invasively displayed the architecture of tepal nectaries and showed how they are connected to the vascular... 

C Diagram of a J-cross polarization experiment (B 57), t is the cross polarization time. 

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