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Ruwaidah S. Saeed
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Medicine & Pharmacology

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Modification and Anticancer Activity Study of Polyvinyl Alcohol Containing 1, 3, 4-thiadiazole Ruwaidah S. Saeed
Journal of Global Pharma Technology Volume 9 Issue 10
Publisher : Journal of Global Pharma Technology

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Abstract

Beginning from 2-amino-5-mercapto-1, 3, 4-thiadiazole a variety of new cyclic imides linked to 1, 3, 4-thiadiazole moiety. A  series of novel cyclic imides containing1,3,4- thiadiazole ring [1-6]through reaction of various cyclic anhydrides with 2-amino-5-mercapto-1,3,4-thiadiazole .Compounds [1-6]were reacted with anhydrous sodium carbonate  of distilled water as a solvent, then of chloroacetic acid was added to produce compounds [7-12].The compounds [7-12]reaction with SOCl2 in the presence of Benzene to producing the compounds [13-18].Chemical modification of Poly(vinyl alcohol) were obtained by reaction of PVA with compounds [13-18]using the Dimethyl formamide to produce compounds [19-24]. The structure of the synthesized compounds was identified by their analytical and spectral data such as, FTIR spectra, 1H-NMR. UV-Vis Spectroscopy, Thermal analysis [Differential Scanning Calorimetry (DSC), Thermo gravimetric analysis (TGA)], Scanning electron microscopy (SEM), Elemental analysis (CHNS) and Antibacterial activity screened via two types of bacteria. Anticancer activity also examined for all modified polyvinyl alcohol.Keywords: 1, 3, 4-thiadiazole, Polyvinyl alcohol, Antibacterial, Anticancer activities.
Synthesis, Characterization and Antibacterial Study of Selected Metal Complexes Derived from Modified of PVA Ruwaidah S. Saeed
Journal of Global Pharma Technology Volume 11 Issue 2: 2019
Publisher : Journal of Global Pharma Technology

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Abstract

A new ligands(modifier polymers) L1, L2, L3 , L4 and L5 were prepared according to method [8]  by reaction of polyvinyl alcohol(PVA) withi(acid chloride)[1]a or [2,3]a,b in dimethyl formamide. The Ligands were characterized by (FT-IR), (UV- Vis) and (1H-NMR) spectra some of them. Synthesis some transition metals complexes of these ligands and described via (FT-IR, UV-Vis) spectra, [Thermo gravimetric analysis (TGA), Differential Scanning Calorimetry (DSC)], (SEM) and antibacterial activity was screened thought two types of bacteria. The octahedral geometrical was suggested for Co+2, square Planer geometrical was suggested for Ni+2and tetrahedral geometrical was suggested for Cd+2Keywords: PVA; Metal complexes; Antibacterial.
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