Brief Communication: Spin-Lattice Relaxation Times for Mixtures of Water and Gelatin or Cotton, Compared With Normal and Malignant Tissue 2
- 1 September 1974
- journal article
- research article
- Published by Oxford University Press (OUP) in JNCI Journal of the National Cancer Institute
- Vol. 53 (3) , 689-690
- https://doi.org/10.1093/jnci/53.3.689
Abstract
Spin-lattice relaxation times (T1's) of samples of gelatin containing from 15 to 96% water and cotton containing from 30 to 80% water were measured with the use of a Brucker nuclear magnetic resonance spectrometer operating at 30 megahertz. To determine water content, portions of the same gels used in the determination of T1 were vacuum-dried at 37°C. A plot of water content against T1 for gelatin followed a hyperbolic curve, which fitted a similar plot obtained with samples of regenerating liver, fetal tissue, and normal and neoplastic tissues. A similar plot for cotton was hyperbolic and slightly lower. T1 seemed to be related primarily to the total water content of the measured sample.Keywords
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