期刊
JOURNAL OF CHEMICAL PHYSICS
卷 137, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4766256
关键词
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资金
- Israel Science Foundation (ISF) [465/11]
In this, the third part of our series on the dielectric spectrum symmetrical broadening of water, we consider the nucleotide aqueous solutions. Where in Parts I [E. Levy et al., J. Chem. Phys. 136, 114502 (2012)] and II [E. Levy et al., J. Chem. Phys. 136, 114503 (2012)], the dipole-dipole or ion-dipole interaction had a dominant feature, now the interplay between these two types of dipole-matrix interactions will be considered. We present the results of high frequency dielectric measurements of different concentrations of adenosine monophosphate/adenosine-5'-triphosphate aqueous solutions. We observed the Cole-Cole broadening of the main relaxation peak of the solvent in the solutions. Moreover, depending on the nucleotide concentration, we observed both types of dipole-matrix interaction. The 3D trajectory approach (described in detail in Part I) is applied in order to highlight the differences between the two types of interaction. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4766256]
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