Background: Thermal degradation has attracted the attention of scientific community throughout the world due to its multiple applications in environment, energy, waste water treatment, pollution control, and green chemistry etc. Objective: The present work deals with the study of synthesis and characterization of thermal and biological properties of novel copper complex. Methods: Chemical structures of copper (II) sesame 2-amino-6-ethoxy benzothiazole complex were confirmed by IR, NMR, and ESR techniques. Thermal and biological properties were analysed by thermogravimetry (TGA) and antimicrobial activity determination against Staphylococcus aureus. Results: The TGA study reveals that copper (II) sesame 2-amino-6-ethoxy benzothiazole complex undergo stepwise thermal degradation of ligand-soap bond of complex and unsaturated and saturated fatty acid components of edible oils. The complex exhibit significant antimicrobial activities against Staphylococcus aureus. Conclusion: This study provides relevant basic information on the thermal and antimicrobial properties of new copper (II) bio-based surfactants, as well as an explicit relationship structure-biological activity for their potential use as safe and green chemicals.
Aims: The aim of this research work is to synthesise, study and analyse photocatalytic degradation, kinetics. Background: Copper(II)mustard thio urea complex has been synthesized and characterized through FT-IR, NMR, ESR studies. Objective: Photocatalytic degradation of copper(II) mustard thio urea complex was studied in the presence of ZnO as catalyst in the solution form using non polar solvent benzene and polar solvent methanol with different compositions. Antibacterial activities of copper(II) complex has also been studied against Staphylicoccus aureus. Method: O.D. was measured after different time intervals spectrophotometrically to measure the degradation of complex. Mueller-Hinton agar medium was used for antimicrobial activity of synthesised compound at different concentrations by disk/ well diffusion susceptibility testing. Result: Plot of 2+log O.D. (absorbance ) versus time was plotted and found linear. The heterogeneous photocatalysis followed pseudo-first-order reaction kinetics .The present study suggests that CMT complex shows antibacterial activity at different concentrations. Conclusion: The rate of photocatalytic degradation of CMT complex was studied and analyzed. It has been found that rate of degradation varies with different parameters like concentration of complex, amount of catalyst, light intensity, solvent polarity etc. CMT complex derived from natural mustard oil has been shown an inhibitory effect on the growth of S. aureuswhich may causes skin disease.
: The aim of this manuscript is to give an overview of new findings in the field of thermal degradation and antimicrobial studies for copper (II) sesame and copper (II) groundnut complexes with substituted benzothiazole ligand. Solid state kinetics and thermal degradation has attracted the attention of scientific community not only due to its numerous applications in environment, energy, waste water treatment, pollution control and green chemistry but also due to their wide range of biological activities. This work aims to explore the study of chemical steps of the investigated degradation and the evaluation of the kinetic and thermodynamic parameters of the newly synthesized biologically active complexes (CSBe and CGBe) derived from two different edible oils i.e. sesame and groundnut and ligand containing nitrogen, oxygen and sulphur atoms i.e. 2-amino-6- ethoxy benzothiazole. The studies include Coats-Redfern equation (CRE), Horowitz-Metzger equation (HME), Broido equation (BE) and PiloyanNovikova equation (PNE) for analysis of the degradation and energetic for each step using kinetic data. The observation suggests that CGBe takes longer time and higher temperature to decompose completely than CSBe. Antimicrobial activities against Staphylococus aureus of these compounds also have been analysed which may provide an important account of information about their industrial utilization. The TGA study reveals that CSBe and CGBe complexes undergoes stepwise thermal degradation of ligand-soap bond of complex and saturated and unsaturated fatty acid components of edible oils i.e. sesame and groundnut. The order of antimicrobial activities of the two complexes studied is – CSBe > CGBe These results reveals that nature of different nitrogen, oxygen and sulphur containing ligands coordinated with copper ion play a significant role in the inhibition activity.
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