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Molecules 2016, 21(2), 87; doi:10.3390/molecules21020087

Antibacterial Activity and Cytotoxicity of Silver(I) Complexes of Pyridine and (Benz)Imidazole Derivatives. X-ray Crystal Structure of [Ag(2,6-di(CH2OH)py)2]NO3

1
Department of Bioinorganic Chemistry, Medical University of Lodz, Muszyńskiego 1, 90-151 Łódź, Poland
2
Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha Street, 90-237 Łódź, Poland
3
Department of Theoretical and Structural Chemistry, University of Lodz, Pomorska 163/165, 90-236 Łódź, Poland
4
Department of Applied Pharmacy and Bioengineering, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 17 December 2015 / Revised: 2 January 2016 / Accepted: 6 January 2016 / Published: 28 January 2016
(This article belongs to the Section Medicinal Chemistry)
View Full-Text   |   Download PDF [3328 KB, uploaded 28 January 2016]   |  

Abstract

Selected aspects of the biological activity of a series of six nitrate silver(I) complexes with pyridine and (benz)imidazole derivatives were investigated. The present study evaluated the antibacterial activities of the complexes against three Gram-negative strains: Pseudomonas aeruginosa ATCC 15442, Escherichia coli ATCC 25922 and Proteus hauseri ATCC 13315. The results were compared with those of silver nitrate, a silver sulfadiazine drug and appropriate ligands. The most significant antibacterial properties were exerted by silver(I) complexes containing benzimidazole derivatives. The cytotoxic activity of the complexes was examined against B16 (murine melanoma) and 10T1/2 (murine fibroblasts) cells. All of the tested silver(I) compounds were not toxic to fibroblast cells in concentration inhibited cancer cell (B16) viability by 50%, which ranged between 2.44–28.65 µM. The molecular and crystal structure of silver(I) complex of 2,6-di(hydroxymethyl)pyridine was determined by single-crystal X-ray diffraction analysis. The most important features of the crystal packing and intermolecular non-covalent interactions in the Ag(I) complex were quantified via Hirshfeld surface analysis. View Full-Text
Keywords: silver(I) complexes; cytotoxicity; B16 melanoma cells; 10T1/2 fibroblasts; antibacterial activity; Hirshfeld surface silver(I) complexes; cytotoxicity; B16 melanoma cells; 10T1/2 fibroblasts; antibacterial activity; Hirshfeld surface
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Kalinowska-Lis, U.; Felczak, A.; Chęcińska, L.; Szabłowska-Gadomska, I.; Patyna, E.; Małecki, M.; Lisowska, K.; Ochocki, J. Antibacterial Activity and Cytotoxicity of Silver(I) Complexes of Pyridine and (Benz)Imidazole Derivatives. X-ray Crystal Structure of [Ag(2,6-di(CH2OH)py)2]NO3. Molecules 2016, 21, 87.

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