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Title: | Mechanochemical synthesis and in vitro anti- Helicobacter pylori and uresase inhibitory activities of novel zinc(II)–famotidine complex |
Authors: | Saeed Iqbal, Mohammad Amin, Muhammad W. Hughes, Roy A. Khan, Safyan A. Khan, Safyan A. Reynolds, Paul I. Enne, Virve ur Rahman, Sajjad S. Mirza, Akmal |
Keywords: | Zinc complexes; zinc–famotidine; antiulcer drugs; metal-based drugs; anti-H. pylori activity; mechanochemical synthesis; urease inhibition |
Issue Date: | 2010 |
Publisher: | researchgate.net |
Citation: | Amin, Muhammad & Iqbal, Mohammad & Hughes, Roy & Khan, Safyan & Reynolds, Paul & Enne, Virve & Rahman, Sajjad & Mirza, Akmal. (2009). Mechanochemical synthesis and in vitro anti- Helicobacter pylori and uresase inhibitory activities of novel zinc(II)–famotidine complex. Journal of enzyme inhibition and medicinal chemistry. 25. 383-90. 10.3109/14756360903179518. |
Abstract: | The mechanochemical synthesis and characterization of a zinc complex with famotidine is described. The complex was characterized by microanalysis and a number of spectroscopic techniques. The complex was of M:L dihydrate type. Derivatization of famotidine with zinc appears to enhance the activity of the drug by inhibiting the growth of Helicobacter pylori (two reference and 34 clinical isolates). The complex inhibited the growth of H. pylori in an MIC range of 1–8 μg mL−1. The anti-H. pylori activity of the zinc–famotidine complex against antibioticresistant strains was nearly comparable to that of antibiotic-susceptible strains. The complex was found to be far less toxic than the parent drug, as demonstrated by its higher LD50 value. In the human urease enzyme inhibition assay the complex exhibited significant inhibition. The new complex appears to be more useful in eradicating both the antibiotic-susceptible and antibiotic-resistant strains of H. pylori. |
URI: | http://digitalrepository.fccollege.edu.pk/handle/123456789/2349 |
Appears in Collections: | Chemistry Department |
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