Manganese Ions as a Calcium Ion Probe: Use of Water Proton Spin-Lattice Relaxation Measurements

1979 ◽  
Vol 7 (5) ◽  
pp. 960-960 ◽  
Author(s):  
K. J. MICKLEM ◽  
C. A. PASTERNAK ◽  
J. F. GIBSON ◽  
R. N. SHEPPARD
Keyword(s):  
Calcium Ion ◽  
Lattice Relaxation ◽  
Proton Spin ◽  
Spin Lattice Relaxation ◽  
Water Proton ◽  
Manganese Ions ◽  
Spin Lattice ◽  
Ion Probe ◽  
Relaxation Measurements

Nature of lysozyme–water interactions by proton NMR

1991 ◽  
Vol 69 (5-6) ◽  
pp. 341-345 ◽  
Author(s):  
S. Prosser ◽  
H. Peemoeller
Keyword(s):  
Relaxation Rate ◽  
Proton Nmr ◽  
Lattice Relaxation ◽  
Proton Spin ◽  
Spin Lattice Relaxation ◽  
Water Proton ◽  
Proton Relaxation ◽  
Spin Lattice ◽  
Proton Coupling ◽  
Relaxation Measurements

Proton spin-lattice relaxation measurements were performed in 10 mM lysozyme solution as a function of temperature and degree of substitution of solvent H2O with D2O. The results show that in the temperature range from 274 to 323 K, the intermolecular lysozyme proton water proton coupling contributes appreciably to the observed water proton relaxation rate. In this system exchange between water protons and labile protein protons does not dominate the behaviour with temperature of the water–lysozyme intermolecular contribution to the spin-lattice relaxation.Key words: NMR, lysozyme, relaxation-contributions.

Surface Induced Spin-Lattice Relaxation of Water in Tricalcium Silicate Gels

1991 ◽  
Vol 46 (8) ◽  
pp. 697-699
Author(s):  
F. Milia ◽  
Y. Bakopoulos ◽  
Lj. Miljkovic
Keyword(s):  
Grain Size ◽  
Lattice Relaxation ◽  
Lattice Relaxation Time ◽  
Tricalcium Silicate ◽  
Proton Spin ◽  
Spin Lattice Relaxation ◽  
Water Proton ◽  
Hydration Time ◽  
Spin Lattice ◽  
Stage Process

AbstractThe water proton spin-lattice relaxation time and recovery function of exchangeable water was measured in tricalcium silicate (C3S) gels. The measurements were carried out as a function of the hydration time and grain size. Results show that the hydration of (C3S) is a two stage process. A model is developped

The water proton spin-lattice relaxation times in virus-infected cells

1979 ◽  
Vol 10 (2) ◽  
pp. 143-146 ◽  
Author(s):  
Gianni Valensin ◽  
Elena Gaggelli ◽  
Enzo Tiezzi ◽  
Pier Egisto Valensin ◽  
Maria L.Bianchi Bandinelli
Keyword(s):  
Relaxation Times ◽  
Lattice Relaxation ◽  
Proton Spin ◽  
Spin Lattice Relaxation ◽  
Water Proton ◽  
Spin Lattice ◽  
Infected Cells
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