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Des échantillons d'eau et de sol ont été prélevés dans diverses zones et des méthodes standard pour leur analyse qualitative ont été mises en oeuvre par diverses méthodes de laboratoire dans lesquelles le pH, la conductivité électrique (EC), l'alcalinité totale, les solides dissous totaux (TDS), la dureté totale, la quantité de calcium et de magnésium, la demande chimique en oxygène (COD), la quantité de potasse, de phosphore, d'azote et de divers micronutriments, etc. ont été déterminés. Les instruments/méthodes utilisés pour ces analyses étaient les suivants :...

The literature on functionalized supramolecules like calix 4]pyrrole, calix 4]resorcinarene and their analytical applications has been comprehensively covered. Various synthetic techniques, mechanism and modifications have also been discussed. When macrocycles interact with other molecules by certain non-covalent interactions such as dipole-dipole, ion-dipole, hydrogen bonding etc, they are termed as supramolecules. This book deals with the comprehensive literature survey on supramolecular chemistry.

Aim to design artificial metallonucleases and therapeutic applicable molecules (antibacterial and antitumor), we planned to synthesize metal complexes of gold and copper metal ions and tested for their diverse biological activity like DNA interaction, SOD mimic, cytotoxic and antibacterial activity. The complexes as drug work in one of the two ways: some use a process called redox chemistry to steal electrons from the bonds holding the target molecules together. Others use hydrolysis, meaning that they breakdown the target's chemical waterproofing, so that the water that is naturally present...

A new series of calix 4]pyrrole derivatives bearing azo-moiety at the mesoposition of the macrocycles have demonstrated the ability for liquid-liquid extraction, preconcentration and transport of Th(IV) across a liquid membrane. Various significant extraction parameters such as effect of pH, effect of solvent and effect of reagent concentration were investigated, which showed high affinity and selectivity towards Th(IV) in the presence of large quantities of associated metal ions. The wavelengths of maximum extraction ( max) and molar absorptivity ( ) have also been determined. The...