Shivaprasadagouda Patil, Mahanthesh M Basanagouda, S Christopher Jeyaseelan, Bi Bi Ayisha Mulla, Gangadhar V Muddapur, Uday M Muddapur, Ashok H Sidarai
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引用次数: 0
Abstract
In the present work, we report the synthesis of TiO2 nanoparticles by hydrothermal method using titanium isopropoxide. The synthesized TiO2 nanoparticles were investigated by Powder X-ray diffraction, FE-SEM with EDX, Photoluminescence, UV-Visible absorption and Fluorescence emission spectroscopy. Fluorescence intensity and absorption values of 4-[5-(2,5-Dimethyl-pyrrol-1-yl)-[1,3,4]thiadiazol-2-ylsulfanylmethyl]-6-methoxy-chromen-2-one (DTYMC) molecule decreases with adding the concentration of TiO2 nanoparticles. Stern-Volmer equation for steady state method is found to be linear and its co-relation coefficient is found to be r = 0.88, which indicates the presence of dynamic quenching. Binding orientations of the DTYMC ligand with targeted proteins are Thymidylate synthase (TS) - PDB ID: 1JU6, The type II topoisomerases (TOP2α) - PDB ID: 4FM9 and Human thymidine phosphorylase (hTP) - PDB ID: 2WK6. The obtained result suggests that, the DTYMC molecule exhibits inhibitory activity against the overexpression of TS receptor which causes non-small cell lung cancer (NSCLC). Antimicrobial study of TiO2 NPs has been determined.
期刊介绍:
Journal of Fluorescence is an international forum for the publication of peer-reviewed original articles that advance the practice of this established spectroscopic technique. Topics covered include advances in theory/and or data analysis, studies of the photophysics of aromatic molecules, solvent, and environmental effects, development of stationary or time-resolved measurements, advances in fluorescence microscopy, imaging, photobleaching/recovery measurements, and/or phosphorescence for studies of cell biology, chemical biology and the advanced uses of fluorescence in flow cytometry/analysis, immunology, high throughput screening/drug discovery, DNA sequencing/arrays, genomics and proteomics. Typical applications might include studies of macromolecular dynamics and conformation, intracellular chemistry, and gene expression. The journal also publishes papers that describe the synthesis and characterization of new fluorophores, particularly those displaying unique sensitivities and/or optical properties. In addition to original articles, the Journal also publishes reviews, rapid communications, short communications, letters to the editor, topical news articles, and technical and design notes.