Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications
A straightforward approach that uses Clinacanthus nutans leaf extract as a bio-reduction agent has been reported to anchor silver nanoparticles onto graphene oxide (rGO-Ag). The nanocomposite was characterized by using ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy, field...
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| Format: | Article |
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Penerbit Universiti Kebangsaan Malaysia (UKM Press)
2023
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| Online Access: | http://psasir.upm.edu.my/id/eprint/108124/ |
| _version_ | 1848865079251959808 |
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| author | Perumal, Dharshini Che Abdullah, Che Azurahanim Albert, Emmellie Laura Mohd Zawawi, Ruzniza |
| author_facet | Perumal, Dharshini Che Abdullah, Che Azurahanim Albert, Emmellie Laura Mohd Zawawi, Ruzniza |
| author_sort | Perumal, Dharshini |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | A straightforward approach that uses Clinacanthus nutans leaf extract as a bio-reduction agent has been reported to anchor silver nanoparticles onto graphene oxide (rGO-Ag). The nanocomposite was characterized by using ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy, field emission scanning electron microscopy with energy-dispersive X-ray spectroscopy, and X-ray diffraction. A qualitative colour transition from yellowish to dark brown confirmed the biosynthesis of rGO-Ag nanocomposite and showed a surface plasmon resonance at 263 nm and 425 nm. Utilizing cyclic voltammetry, the electrochemical characteristics of the rGO-Ag nanocomposite modified screen printed carbon electrodes were examined. The rGO-Ag nanocomposite electrode enhanced anodic current approximately 1.29 times greater compared to silver nanoparticles (AgNPs) and 1.34 times greater compared to graphene oxide (GO). Moreover, rGO-Ag nanocomposites exhibited excellent antibacterial activity against typical Gram-positive (S. aureus) (11.99 ± 0.26 mm) and Gram-negative (E. coli) (11.86 ± 0.29 mm) bacteria. Toxicity was assayed using brine shrimp Artemia salina. The results of hatching and mortality assay demonstrates that AgNPs and rGO-Ag nanocomposite is biocompatible with A. salina at a low dosage (0.001 mg/mL). This work offers a guide for the future synthesis of nanocomposites using green reductants. The as- synthesized nanocomposite shows a promising component for the development of biomedical devices applications. |
| first_indexed | 2025-11-15T13:59:00Z |
| format | Article |
| id | upm-108124 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-15T13:59:00Z |
| publishDate | 2023 |
| publisher | Penerbit Universiti Kebangsaan Malaysia (UKM Press) |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-1081242024-09-24T07:23:22Z http://psasir.upm.edu.my/id/eprint/108124/ Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications Perumal, Dharshini Che Abdullah, Che Azurahanim Albert, Emmellie Laura Mohd Zawawi, Ruzniza A straightforward approach that uses Clinacanthus nutans leaf extract as a bio-reduction agent has been reported to anchor silver nanoparticles onto graphene oxide (rGO-Ag). The nanocomposite was characterized by using ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy, field emission scanning electron microscopy with energy-dispersive X-ray spectroscopy, and X-ray diffraction. A qualitative colour transition from yellowish to dark brown confirmed the biosynthesis of rGO-Ag nanocomposite and showed a surface plasmon resonance at 263 nm and 425 nm. Utilizing cyclic voltammetry, the electrochemical characteristics of the rGO-Ag nanocomposite modified screen printed carbon electrodes were examined. The rGO-Ag nanocomposite electrode enhanced anodic current approximately 1.29 times greater compared to silver nanoparticles (AgNPs) and 1.34 times greater compared to graphene oxide (GO). Moreover, rGO-Ag nanocomposites exhibited excellent antibacterial activity against typical Gram-positive (S. aureus) (11.99 ± 0.26 mm) and Gram-negative (E. coli) (11.86 ± 0.29 mm) bacteria. Toxicity was assayed using brine shrimp Artemia salina. The results of hatching and mortality assay demonstrates that AgNPs and rGO-Ag nanocomposite is biocompatible with A. salina at a low dosage (0.001 mg/mL). This work offers a guide for the future synthesis of nanocomposites using green reductants. The as- synthesized nanocomposite shows a promising component for the development of biomedical devices applications. Penerbit Universiti Kebangsaan Malaysia (UKM Press) 2023 Article PeerReviewed Perumal, Dharshini and Che Abdullah, Che Azurahanim and Albert, Emmellie Laura and Mohd Zawawi, Ruzniza (2023) Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications. Sains Malaysiana, 52 (3). pp. 953-966. ISSN 0126-6039; ESSN: 2735-0118 https://www.ukm.my/jsm/english_journals/vol52num3_2023/contentsVol52num3_2023.html 10.17576/jsm-2023-5203-19 |
| spellingShingle | Perumal, Dharshini Che Abdullah, Che Azurahanim Albert, Emmellie Laura Mohd Zawawi, Ruzniza Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications |
| title | Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications |
| title_full | Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications |
| title_fullStr | Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications |
| title_full_unstemmed | Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications |
| title_short | Green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using Clinacanthus nutans and its applications |
| title_sort | green synthesis of silver nanoparticle decorated on reduced graphene oxide nanocomposite using clinacanthus nutans and its applications |
| url | http://psasir.upm.edu.my/id/eprint/108124/ http://psasir.upm.edu.my/id/eprint/108124/ http://psasir.upm.edu.my/id/eprint/108124/ |