Molecular dynamics and dielectric relaxation by DRS, calorimetric analysis and spectral inferences of amino acid complexes

被引：5
|
作者：
Vinoth, K. [1 ]
Ganesh, T. [1 ]
Kumar, P. Senthil [2 ]
Sylvester, M. Maria [3 ]
Karunakaran, D. J. S. Anand [3 ]
Deshmukh, Avadhut Ramrao [4 ]
Kumbharkhane, A. C. [4 ]
机构：
[1] Bharathidasan Univ, Rajah Serfoji Govt Coll, PG & Res Dept Phys, Thanjavur 613005, Tamil Nadu, India
[2] Saranathan Coll Engn, Dept Phys, Tiruchirappalli 620012, Tamil Nadu, India
[3] Bharathidasan Univ, Bishop Heber Coll, PG & Res Dept Phys, Tiruchirappalli 620017, Tamil Nadu, India
[4] Swami Ramanand Teerth Marathwada Univ, Sch Phys Sci, Nanded 431606, MS, India
来源：
CHEMICAL PHYSICS LETTERS | 2019年 / 731卷
关键词：
Dielectric relaxation; Time domain reflectometry; Solute-solvent interaction; NMR; DSC; AQUEOUS-SOLUTIONS; L-PHENYLALANINE; L-METHIONINE; PERMITTIVITY; SURFACTANTS; SOLUBILITY; ABSORPTION; DISPERSION; MIXTURES; ALANINE;
D O I：
10.1016/j.cplett.2019.07.013
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The aqueous solutions of L-Methionine and L-Phenylalanine studied analytically to understand the dynamics of dielectric relaxation and spectroscopic characterization by TDR. Intermolecular interaction assists the migration of charges in the networks of H-bonds surfaced out by amino acid in the low frequency with Debye like behavior. The relaxation of amino acid molecule fitted with Debye and Cole-Cole model. Thermodynamic parameters and parallel ordering by correlation factor are determined. The DSC analysis incites the dependency of glass transition temperature and Fragility index with concentration, polarity, dielectric strength and temperature. Conformation of mixture groups carried out by FTIR and NMR analysis.
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页数：10
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