Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors
This study aimed to introduce a novel antibacterial carbon dot-ZnO-TiO2 nanocomposite (CDZT) synthesized from the marine alga Sargassum horneri and two inorganic precursors. CDZT exhibited enhanced antibacterial activity under both ultraviolet (UV) light and visible light, and its water-soluble natu...
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| Format: | Article |
| Language: | English |
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The Korean Society of Fisheries and Aquatic Science
2025-02-01
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| Series: | Fisheries and Aquatic Sciences |
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| Online Access: | http://www.e-fas.org/archive/view_article?doi=10.47853/FAS.2025.e11 |
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| author | Kyung Woo Kim Gun-Woo Oh Seok-Chun Ko Ji-Yul Kim Chul Hwan Kim Yong Min Kwon Mi-Jin Yim Moongeun Yoon Dae-Sung Lee |
| author_facet | Kyung Woo Kim Gun-Woo Oh Seok-Chun Ko Ji-Yul Kim Chul Hwan Kim Yong Min Kwon Mi-Jin Yim Moongeun Yoon Dae-Sung Lee |
| author_sort | Kyung Woo Kim |
| collection | DOAJ |
| description | This study aimed to introduce a novel antibacterial carbon dot-ZnO-TiO2 nanocomposite (CDZT) synthesized from the marine alga Sargassum horneri and two inorganic precursors. CDZT exhibited enhanced antibacterial activity under both ultraviolet (UV) light and visible light, and its water-soluble nature suggested its potential in various industrial applications. The antibacterial activity was evaluated using disk diffusion tests under two different light conditions. CDZT showed distinct bacterial inhibition against both gram-negative and gram-positive strains, with larger inhibition zones under 365 nm UV light and 470 nm visible light, respectively. These results highlighted the promise of S. horneri as a valuable resource for the development of advanced antibacterial materials. The findings underscored the possibility of CDZT being a potent antibacterial agent with light-modulated activity. Since this was a proof-of-concept study, further evaluation is needed for the practical use of CDZT in antibacterial applications within the relevant industry. |
| format | Article |
| id | doaj-art-44bc05fa9d0749d7b9e1fa8746b54fd9 |
| institution | Kabale University |
| issn | 2234-1757 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | The Korean Society of Fisheries and Aquatic Science |
| record_format | Article |
| series | Fisheries and Aquatic Sciences |
| spelling | doaj-art-44bc05fa9d0749d7b9e1fa8746b54fd92025-08-20T03:40:29ZengThe Korean Society of Fisheries and Aquatic ScienceFisheries and Aquatic Sciences2234-17572025-02-0128210711910.47853/FAS.2025.e11Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursorsKyung Woo Kim0Gun-Woo Oh1Seok-Chun Ko2Ji-Yul Kim3Chul Hwan Kim4Yong Min Kwon5Mi-Jin Yim6Moongeun Yoon7Dae-Sung Lee8Department of Biomaterial Research, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Biomaterial Research, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Biomaterial Research, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Biomaterial Research, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Bioindustrial Strategy, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Biological Application & Technology, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Bioindustrial Strategy, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Biomaterial Research, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaDepartment of Biomaterial Research, National Marine Biodiversity Institute of Korea, Seocheon 33662, KoreaThis study aimed to introduce a novel antibacterial carbon dot-ZnO-TiO2 nanocomposite (CDZT) synthesized from the marine alga Sargassum horneri and two inorganic precursors. CDZT exhibited enhanced antibacterial activity under both ultraviolet (UV) light and visible light, and its water-soluble nature suggested its potential in various industrial applications. The antibacterial activity was evaluated using disk diffusion tests under two different light conditions. CDZT showed distinct bacterial inhibition against both gram-negative and gram-positive strains, with larger inhibition zones under 365 nm UV light and 470 nm visible light, respectively. These results highlighted the promise of S. horneri as a valuable resource for the development of advanced antibacterial materials. The findings underscored the possibility of CDZT being a potent antibacterial agent with light-modulated activity. Since this was a proof-of-concept study, further evaluation is needed for the practical use of CDZT in antibacterial applications within the relevant industry. http://www.e-fas.org/archive/view_article?doi=10.47853/FAS.2025.e11Antibacterial nanocompositeMarine algaLight-modulated activityCarbon dots |
| spellingShingle | Kyung Woo Kim Gun-Woo Oh Seok-Chun Ko Ji-Yul Kim Chul Hwan Kim Yong Min Kwon Mi-Jin Yim Moongeun Yoon Dae-Sung Lee Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors Fisheries and Aquatic Sciences Antibacterial nanocomposite Marine alga Light-modulated activity Carbon dots |
| title | Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors |
| title_full | Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors |
| title_fullStr | Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors |
| title_full_unstemmed | Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors |
| title_short | Light-enhanced antibacterial carbon dot nanocomposite synthesized using Sargassum horneri and inorganic precursors |
| title_sort | light enhanced antibacterial carbon dot nanocomposite synthesized using sargassum horneri and inorganic precursors |
| topic | Antibacterial nanocomposite Marine alga Light-modulated activity Carbon dots |
| url | http://www.e-fas.org/archive/view_article?doi=10.47853/FAS.2025.e11 |
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