Thermal behavior and thermodynamic parameters of some complexes of biologically active nucleic acid constituents
1 Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt.
2 Physics Department, Faculty of Science, Alexandria University, Alexandria, Egypt.
3 Sidi Kerir Petrochemicals Company, Alexandria, Egypt.
Research Article
World Journal of Advanced Research and Reviews, 2021, 12(02), 078–108
Article DOI: 10.30574/wjarr.2021.12.2.0556
Publication history:
Received on 22 September 2021; revised on 29 October 2021; accepted on 31 October 2021
Abstract:
The thermal behavior of some complexes derived from biologically nucleic acid constituents has been studied applying differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) techniques. Thermodynamic parameters, decompositions and thermal stabilities are calculated and explained. All the complexes gave exothermic peaks with -ve signs for change of entropy values, ΔS which indicate that the activated transition states are more ordered, i.e. in a less random molecular configuration than the reacting complexes. TGA gives the mechanism of decomposition.
Keywords:
Ligands; Complexes; DSC; Debye Model; Thermodynamic Parameters; Fragmentation Pathways
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