on the topic "Physico-Chemical Studies on Binuclear Complexes of Transition Metal ions derived from Pyrimidine derivatives and Ketones and their Biological Screening." Dr. Srivastva has approximately seven years of teaching and research experience in chemistry. Before joining B.R.A.
A novel series of trivalent coordination complexes was synthesized by the reaction between a chloride/
acetate salt of iron, chromium, cobalt or manganese ions and NNNNOO type persuasive Schiff base
ligand synthesized from 2,3-dioxobutane, ethane-1,2-diamine and 4-chloro-2-formylphenol.
Synthesized compounds were characterized by using elemental analysis, molar conductance, magnetic
moment, IR, UV-visible, 1H NMR, 13C NMR and ESI-MS spectral analyses. IR and NMR spectra
favoured hexadentate coordination behaviour of ligand. Electronic spectra and magnetic moment data
reveal Oh geometry with distortion around the metal ion in complexes. The molar conductance values
show 1:1 electrolytic nature of complexes. Biological potentiality of the ligand and its metal complexes
were tested in vitro against two bacterial and two fungal strains; Bacillus subtilis, Escherichia coli and
Aspirgillus niger, Aspirgillus flavus, respectively.
Carbon nanomaterials (CNMs), especially carbon nanotubes and graphene, have been attracting tremendous attention in environmental analysis for rapid and cost effective detection of various analytes by electrochemical sensing. CNMs can increase the electrode effective area, enhance the electron transfer rate between the electrode and analytes, and/or act as catalysts to increase the efficiency of electrochemical reaction, detection, adsorption and removal are of great significance. Various carbon nanomaterials including carbon nanotubes, graphene, mesoporous carbon, carbon dots exhibited high adsorption and detection capacity. Carbon and its derivatives possess excellent electro catalytic properties for the modified sensors, electrochemical methods usually based on anodic stripping voltammetry at some modified carbon electrodes. Metal electrode detection sensitivity is enhanced through surface modification of working electrode (GCE). Heavy metals have the defined redox potential. A remarkable deal of efficiency with the electrochemical sensors can be succeeded by layering the surface of the working electrode with film of active electro-catalytic species. Usually, electro catalysts used for fabrication of sensors are surfactants, nano-materials, polymers, carbon-based materials, organic ligands and biomaterials.
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