Preparation, characterization and polymerization of some new compounds for esters derived from cephalosporins and some drugs, the study of some physical applications and evaluation of their biological activity
Keywords:
Cephalosporins, Esters, Enterococcus Faecalis, Staphylococcus Aureus, Klebsiella Pneumonia, Pseudomonas PutidaAbstract
In this research, esters and polymers were prepared and loaded from the reaction of cephalosporins with carboxylic acids and their interaction with polyvinyl alcohol by the sublimation method. During spectroscopic measurements, including Uv, FTIR, 1H-NMR, 13C-NMR, mass spectrometry, elemental microanalysis, scanning electron microscopy (S.E.M.) analysis, and microanalysis for the elements (C.H.N.), the electrical conductivity and the biological activity of some prepared compounds and on four types of pathogenic bacteria were studied, two of them were Gram-positive, and two were negative. (Gram-negative), which are (Staphylococcus aureus, Enterococcus faecalis, Klebsiella pneumonia, and Pseudomonas putida), and the use of the Acker Muller-Hinton culture medium (Molar Huntin Agar) Aqueous solutions of the two compounds [DM26, DM18] with concentrations (0.01,0.001,0.0001,0.00001) mg/ml were also prepared using a dimethyl solvent. Sulfoxide (DMSO) The sensitivity test of bacterial isolates used in the study was conducted by diffusion method, and the antibiotics Cefixime, Ceftriaxone, and Ampicillin were used as a control sample.
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