AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Authors: CSABA VÁRHELYI JR., ROLAND SZALAY, GYÖRGY POKOL, JÁNOS MADARÁSZ, LAURA MARINCAS, RALUCA-ANCA MEREU, JUDITH MIHÁLY, JUDIT PAPP, MELINDA SIMON-VÁRHELYI, RÓBERT TŐTŐS, MARIA TOMOAIA-COTISEL.
DOI: 10.24193/subbchem.2022.4.21
Published Online: 2022-12-30
Published Print: 2022-12-30
pp. 315-335
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Abstract. A series of Pt-complexes of the type [Pt(DioxH)2L2], (DioxH= deprotonated diethyl-glyoxime, methyl-pentyl-glyoxime, methyl-propyl-glioxime, L=amine) were synthesized, described and characterized with thermoanalytical (TG-DTG-DTA), spectroscopical (FTIR, ESI-MS, UV-VIS and NMR), powder XRD and AFM methods. The biological activity, especially the antibacterial effect, was also studied. The complexes were tested against selected Gram-positive and Gram-negative bacteria. The thermoanalytical measurements revealed the stability of complexes until 200 °C, which then loose characteristic fragments of their ligands. The spectroscopic data are in accordance with the thermal properties of the samples, confirming their composition. The compounds exhibited antibacterial effect against the bacterial strain studied.
Keywords: Pt(II)-complexes, -dioxime, amine ligand, thermal properties, spectroscopy, AFM, antimicrobial activity
