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Article – Journal of Advanced Chemical Sciences

Journal of Advanced Chemical Sciences, Volume 4,Issue 2,2018 Pages 556-561

4f-4f Transition Spectral Analysis to Probe the Kinetics for the Complexation of Nd(III) with Guanosine and Guanosine Triphosphate (GTP)
N. Bendangsenla, M. Indira Devi*, T. Moaienla, Ruokuosenuo Zatsu


The interaction of Nd(III) with Guanosine and Guanosine triphosphate (GTP) in presence and absence of Ca(II) has been studied through 4f-4f transition spectra in different organic solvents. Mode of binding of Nd(III) with nucleoside (guanosine) and nucleotide (guanosine triphosphate, GTP) is interpreted considering the variations in evaluated values of intensity parameters like oscillator strength (P) and Judd Ofelt electric dipole intensity parameters (Tλ, λ=2,4,6). It is further studied through kinetics, subsequently Ea, rate constant (k) and thermodynamic parameters viz, ΔH°, ΔG°, ΔS° etc., has been evaluated from which detailed thermodynamical information of complex can be explored.

Keywords: Oscillator Strength; Guanosine; Thermodynamics; Lanthanide;