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Title of Journal: J Polym Res

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Abbravation: Journal of Polymer Research

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Springer Netherlands

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DOI

10.1016/0304-3959(90)90072-L

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1572-8935

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Biological and thermal investigations of polychela

Authors: Raja S Azarudeen Mohamed A Riswan Ahamed Abdul R Burkanudeen
Publish Date: 2010/12/01
Volume: 18, Issue: 6, Pages: 1331-1341
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Abstract

Polychelates of few transition metals were prepared using the terpolymer ligand formed from the polymerization of anthranilic acid and thiosemicarbazide with formaldehyde ATcF The ligand and the polychelates were characterized by elemental analysis magnetic susceptibilities thermogravimetric analysis TGA FTIR electronic absorption and NMR spectroscopy The metal to ligand ratio in all the polychelate was found to be 12 The chemical composition and structures were proposed based on various spectrometric techniques The thermal stability of the ligand and the polychelates were determined by TGA In addition the activation energy for the formation of both the terpolymer ligand and its polychelates were calculated using the TGA data by FreemanCaroll method The surface features of the ligand and the polychelates were analyzed by scanning electron microscopy SEM An in vitro biological test were performed for both the ligand and its polychelates against certain pathogenic bacteria such as Escherichia coli Klebseilla Staphylococcus aureus and Pseudomonas aeruginosa and fungi viz Aspergillus flavus Aspergillus niger Pencillium species Candida albicans Cryptococcus neoformans and Mucor species

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