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Journal of Multidisciplinary Applied Natural Science

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4.8

Calculated on 05 May, 2025

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0.31

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Journal of Multidisciplinary Applied Natural Science

##plugins.themes.gdThemes.general.eIssn##: 2774-3047


دوره 6 شماره 1 (2026) Articles https://doi.org/10.47352/jmans.2774-3047.314

S/CuO/nGO Material as A Potential Antibacterial under Visible Light Irradiation

Rudy T M Situmeang Sumardi Sumardi Syangap Diningrat Sitompul Aniska Legia Tri Umiana Soleha Ni Luh Gede Ratna Juliasih Jarnuzi Ganlazuardi

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Rudy T M Situmeang

https://orcid.org/0000-0001-6622-0362
  • rudy.tahan@fmipa.unila.ac.id
  • Department of Chemistry, University of Lampung, Bandar Lampung-35141 (Indonesia)
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Sumardi Sumardi

https://orcid.org/0000-0002-2773-7083
  • rudy.tahan@fmipa.unila.ac.id
  • Department of Biology, University of Lampung, Bandar Lampung-35141 (Indonesia)
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Syangap Diningrat Sitompul

https://orcid.org/0009-0008-3663-1310
  • rudy.tahan@fmipa.unila.ac.id
  • Department of Chemistry, University of Lampung, Bandar Lampung-35141 (Indonesia)
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Aniska Legia

https://orcid.org/0009-0008-8230-4986
  • rudy.tahan@fmipa.unila.ac.id
  • Department of Chemistry, University of Lampung, Bandar Lampung-35141 (Indonesia)
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Tri Umiana Soleha

https://orcid.org/0009-0009-5414-0416
  • rudy.tahan@fmipa.unila.ac.id
  • Faculty of Medicine, University of Lampung, Bandar Lampung-35141 (Indonesia)
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Ni Luh Gede Ratna Juliasih

https://orcid.org/0000-0002-6202-461X

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Jarnuzi Ganlazuardi

https://orcid.org/0000-0001-5991-7110
  • rudy.tahan@fmipa.unila.ac.id
  • Department of Chemistry, University of Indonesia, Kota Depok-16424 (Indonesia)
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##plugins.themes.gdThemes.publishedIn##: اکتبر 25, 2025

چکیده

The search for environmentally friendly antibacterial materials with excellent performance that does not make bacteria resistant is still a challenge. In this research, S/CuO/GO nanomaterials were prepared by the sol-gel method using pectin as an emulsifying agent. After freeze-drying and calcining processes, the prepared nanomaterials were characterized using XRD, UV-vis diffuse reflectance, FTIR, SEM-EDX-mapping, and TEM. The Gram-positive and Gram-negative antibacterial tests were done using the MIC and Kirby-Bauer disc diffusion methods. The characterization data showed that the antibacterial material has met the nano-size of 16 nm, and its antibacterial tests using the MIC method gave promising results. Furthermore, the best MIC test results for Escherichia coli and Bacillus sp. bacteria were obtained at a concentration of 0.01000 and 0.00125 mg/mL, respectively. In addition, the Kirby-Bauer disc diffusion antibacterial testing for E. coli and B. subtilis produced a clear zone of 12 and 18 mm with an exposure time of 15 and 30 min, respectively. These results proved that S/CuO/nGO is potent for antibacterial application.

مراجع

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