Document Type : Research Paper
Department of Chemistry, Faculty of Science, Lorestan University, Khorramabad, Iran
Department of Chemistry, Faculty of Science, Lorestan University, Khorramabad
Department of Biology, Faculty of Science, Lorestan University, Khorramabad, Iran
A novel azo-Schiff base ligand (L) was prepared by reacting 2-hydroxy-5-(pyridine-4-yldiazenyl) benzaldehyde with 1,2-phenylenediamine. Moreover, Silver nanoparticles (Ag-NPs) and Cadmium sulfide nanoparticles (CdS-NPs) were prepared by employing azo-Schiff base ligand (L) as capping and reducing agent. The solid-state fluorescence spectroscopy was used to investigate the interaction between L with one of the nanomaterials (CdS-NPs). The fluorescence studies showed that L suppresses the CdS-NPs fluorescence. The antibacterial and antifungal activities of mentioned nanoparticles were determined against different bacteria and plant fungal strains and the obtained results were compared. The azo-Schiff base ligand (L) only exhibited antibacterial activity against B. cereus as Gram-positive bacterium. L-Ag-NPs had moderate to high antibacterial properties for both Gram-negatives and Gram-positives species. Moreover, L-CdS-NPs showed activity against B. cereus as a Gram-positive and E. coli as a Gram-negative baterium. All the described compounds showed antifungal activity against the fungal strains tested.