Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity
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Universiti Malaysia Perlis (UniMAP)
2023
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my.unimap-781222023-03-10T06:55:13Z Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity Kadhim A. Hubeatir Sally S. Hassan Raad M. S. Al-Haddad Kadhim.A.Hubeatir@uotechnology.edu.iq Department of Laser and Optoelectronics Engineering, University of Technology, Iraq Department of Physics, College of Science, University of Baghdad, Iraq Pulsed laser ablation in liquid Nd:YAG laser Bismuth (Bi) nanoparticles antibacterial effect Gram-negative and gram-positive bacteria Link to publisher's homepage at http://ijneam.unimap.edu.my/ Bismuth nanoparticles (Bi NPs) constitute a promising technology for combating infectious illnesses and bacterial resistance to antibacterial treatments. Bi NPs were synthesized by Pulsed Laser Ablation in Liquid (PLAL) using a 532 nm second-harmonic generation Nd:YAG laser. Bi NPs samples were prepared in 10, 35, 50, 75, and 90 ˚C water for various laser energies and number of laser pulses. Ultraviolet-visible (UV-Vis) spectra measurements revealed a characteristic plasmonic absorption band indicative of metallic bismuth nanosized particles. Field emission scanning electron microscopy (FESEM) analysis showed that the water temperature during the ablation process affected the size and morphology of Bi NPs. The average Bi NP size at 60 ˚C was 28 nm, considerably smaller than the 55 nm average observed at 10 ˚C. The antimicrobial properties of Bi NPs against two opportunistic pathogens, E. coli and S. aureus, were assessed. For S. aureus, the inhibition zone of Bi NPs prepared at 60 ˚C was greater than that of samples prepared at 10 ˚C. Further, Bi NPs exhibited lower potency against E. coli than S. aureus in both samples. 2023-03-10T06:55:13Z 2023-03-10T06:55:13Z 2023-01 Article International Journal of Nanoelectronics and Materials, vol.16(1), 2023, pages 81-91 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/78122 en Universiti Malaysia Perlis (UniMAP) |
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Pulsed laser ablation in liquid Nd:YAG laser Bismuth (Bi) nanoparticles antibacterial effect Gram-negative and gram-positive bacteria |
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Pulsed laser ablation in liquid Nd:YAG laser Bismuth (Bi) nanoparticles antibacterial effect Gram-negative and gram-positive bacteria Kadhim A. Hubeatir Sally S. Hassan Raad M. S. Al-Haddad Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity |
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Link to publisher's homepage at http://ijneam.unimap.edu.my/ |
| author2 |
Kadhim.A.Hubeatir@uotechnology.edu.iq |
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Kadhim.A.Hubeatir@uotechnology.edu.iq Kadhim A. Hubeatir Sally S. Hassan Raad M. S. Al-Haddad |
| format |
Article |
| author |
Kadhim A. Hubeatir Sally S. Hassan Raad M. S. Al-Haddad |
| author_sort |
Kadhim A. Hubeatir |
| title |
Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity |
| title_short |
Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity |
| title_full |
Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity |
| title_fullStr |
Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity |
| title_full_unstemmed |
Temperature effects on the optical properties of bismuth nanoparticles prepared by PLAL for antibacterial activity |
| title_sort |
temperature effects on the optical properties of bismuth nanoparticles prepared by plal for antibacterial activity |
| publisher |
Universiti Malaysia Perlis (UniMAP) |
| publishDate |
2023 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/78122 |
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1772813134043545600 |
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13.214268 |