The activation enthalpy and entropy for ligand exchange in the weak complex Ni(glycerol)i+ were estimated by variable-temperature proton spin-lattice relaxation time measurements at 9.4 and 6.3 T on a 0.044 molal solution of NiCI, in glyceroL A description of the dynamic process in terms of a simple
Calibration of the aberdeen NMR imager for proton spin-lattice relaxation time measurements in vivo
β Scribed by T.W. Redpath
- Book ID
- 113375352
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 118 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0730-725X
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1H NMR spin-lattice relaxation times (T1) of the N-CH3 proton resonances of phosphocreatine (PCr) and creatine (Cr) in water solutions were obtained using the 1,3,3,1 pulse sequence. These T1 values were equivalent to those obtained in D2O and water using either the conventional inversion-recovery e
By measuring the proton spin-lattice relaxation times (T~) in the solid state, for a series of progressively sulphonated and methylated black spruce pulps, the molecular mobilities of carbohydrates and lignin have been evaluated as a function of chemical treatment. These measurements were made possi