Photocatalytic decomposition effect of erbium doped cerium oxide nanostructures driven by visible light irradiation: Investigation of cytotoxicity, antibacterial growth inhibition using catalyst
| Autor: | Malik Maaza, B. Jeyaraj, K. Kaviyarasu, C. Maria Magdalane, John Kennedy, Naif Abdullah Al-Dhabi, Genene Tessema Mola, A. Raja, Mariadhas Valan Arasu, M.V. Arularasu, Abdulgalim B. Isaev |
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| Rok vydání: | 2018 |
| Předmět: |
Cerium oxide
Materials science Light Biophysics Oxide chemistry.chemical_element Nanoparticle 02 engineering and technology Gram-Positive Bacteria 010402 general chemistry 01 natural sciences Catalysis Nanomaterials Erbium chemistry.chemical_compound Microscopy Electron Transmission X-Ray Diffraction Gram-Negative Bacteria Spectroscopy Fourier Transform Infrared Rhodamine B Humans Radiology Nuclear Medicine and imaging Particle Size Radiation Radiological and Ultrasound Technology Rhodamines Cell Membrane Cerium 021001 nanoscience & nanotechnology Anti-Bacterial Agents Nanostructures 0104 chemical sciences Cerium nitrate chemistry Chemical engineering A549 Cells Microscopy Electron Scanning 0210 nano-technology |
| Zdroj: | Journal of Photochemistry and Photobiology B: Biology. 185:275-282 |
| ISSN: | 1011-1344 |
| DOI: | 10.1016/j.jphotobiol.2018.06.011 |
| Popis: | Cerium (IV) oxide (CeO2) is the most accessible noble rare earth metal oxide for the excitation of the excitons by light-harvesting performance. The present work is focused on Erbium doped ceria nanoparticles that were beneficially obtained by hydrothermal method from cerium nitrate and Erbium nitrate as precursors for decomposition of Rhodamine-B (RhB) dye in the polluted waste water removed from the industries. Dye removal efficiency of the catalyst was found to be nearly ~94%. The structural phases, functional groups and the transitions are identified with the help of various techniques. XRD pattern determines the development of cubic phase with the particle size is 20 nm. Highly crystalline nature of as-synthesized nanomaterials with an average diameter of 35 nm was investigated by HRSEM. The crystalline size, shape and textural morphology, of the Erbium doped ceria nanostructures were analysed by HRTEM. Our results suggest, that the concentration of OH– ion determines the lattice constants and oxygen vacancy in the nanostructures which stimulate the probability of photocatalytic decomposition effect of organic pollutants, due to synergistic approach. In this context, both unhydrolyzed things and their swiftly drip from deceased or scratched cells with conceded membranes, even when the cells embrace some are outstanding attention. Although, the loss of viable cells also depends on epithelial cell dynamically conceal of numerous molar matrix. |
| Databáze: | OpenAIRE |
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