Bio-mediated electrochemically synthesis of silver nanoparticles using green tea (Camellia sinensis) leaves extract and their antibacterial activity
•The inexpensive, fast, and eco-friendly synthesis of silver nanoparticles.•Green tea leaves extract role as bio-mediated in electrochemical synthesize.•The synthesized AgNPs are polycrystalline ranging in 8–26 nm, spheris, and highly pure.•The synthesized AgNPs showed antibacterial activity against...
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| Published in | South African journal of chemical engineering Vol. 47; pp. 136 - 141 |
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| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Elsevier B.V
01.01.2024
Elsevier |
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| Online Access | Get full text |
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| Abstract | •The inexpensive, fast, and eco-friendly synthesis of silver nanoparticles.•Green tea leaves extract role as bio-mediated in electrochemical synthesize.•The synthesized AgNPs are polycrystalline ranging in 8–26 nm, spheris, and highly pure.•The synthesized AgNPs showed antibacterial activity against E. Coli and S. Aureus.
Since the antibacterial properties of silver nanoparticles are well established, the synthesis method for AgNPs, which provides excellent antibacterial activity, is highly promising. The study investigated the inexpensive, fast, and environmentally friendly synthesis of silver nanoparticles (AgNPs) using green tea leaf extract as a bio-mediated electrochemical synthesis. The green tea extract solution acts as an electrolyte in the system, ensuring that the electrolyte occurs and facilitating the formation of AgNP. The AgNP formation was indicated by a single peak at 421 nm. FTIR spectra revealed that green tea extract plays a dual role as a reducing and stabilizing agent. The method produces polycrystalline nanoparticles with sizes ranging from 8 to 26 nm, a mostly spherical shape, and a high purity (96.25 % in mass). Antibacterial assay of AgNP against E. coli and S. aureus showed the highest activity compared to Ag+ ions, green tea extract, and synthesized AgNP using NaBH4. The results provide a new method for producing AgNPs with excellent antibacterial activity. |
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| AbstractList | Since the antibacterial properties of silver nanoparticles are well established, the synthesis method for AgNPs, which provides excellent antibacterial activity, is highly promising. The study investigated the inexpensive, fast, and environmentally friendly synthesis of silver nanoparticles (AgNPs) using green tea leaf extract as a bio-mediated electrochemical synthesis. The green tea extract solution acts as an electrolyte in the system, ensuring that the electrolyte occurs and facilitating the formation of AgNP. The AgNP formation was indicated by a single peak at 421 nm. FTIR spectra revealed that green tea extract plays a dual role as a reducing and stabilizing agent. The method produces polycrystalline nanoparticles with sizes ranging from 8 to 26 nm, a mostly spherical shape, and a high purity (96.25 % in mass). Antibacterial assay of AgNP against E. coli and S. aureus showed the highest activity compared to Ag+ ions, green tea extract, and synthesized AgNP using NaBH4. The results provide a new method for producing AgNPs with excellent antibacterial activity. •The inexpensive, fast, and eco-friendly synthesis of silver nanoparticles.•Green tea leaves extract role as bio-mediated in electrochemical synthesize.•The synthesized AgNPs are polycrystalline ranging in 8–26 nm, spheris, and highly pure.•The synthesized AgNPs showed antibacterial activity against E. Coli and S. Aureus. Since the antibacterial properties of silver nanoparticles are well established, the synthesis method for AgNPs, which provides excellent antibacterial activity, is highly promising. The study investigated the inexpensive, fast, and environmentally friendly synthesis of silver nanoparticles (AgNPs) using green tea leaf extract as a bio-mediated electrochemical synthesis. The green tea extract solution acts as an electrolyte in the system, ensuring that the electrolyte occurs and facilitating the formation of AgNP. The AgNP formation was indicated by a single peak at 421 nm. FTIR spectra revealed that green tea extract plays a dual role as a reducing and stabilizing agent. The method produces polycrystalline nanoparticles with sizes ranging from 8 to 26 nm, a mostly spherical shape, and a high purity (96.25 % in mass). Antibacterial assay of AgNP against E. coli and S. aureus showed the highest activity compared to Ag+ ions, green tea extract, and synthesized AgNP using NaBH4. The results provide a new method for producing AgNPs with excellent antibacterial activity. |
| Author | Muliasari, Handa Zuryati, Ulul Khairi Suprapto, Suprapto Hermanto, Dhony Ismillayli, Nurul Wirawan, Rahadi Prasetyoko, Didik Fatwa, Dewi Hidayati |
| Author_xml | – sequence: 1 givenname: Dhony orcidid: 0000-0001-6907-0021 surname: Hermanto fullname: Hermanto, Dhony email: dhony.hermanto@unram.ac.id organization: Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram, Jl. Majapahit No. 62, Mataram, 83125, West Nusa Tenggara, Indonesia – sequence: 2 givenname: Nurul orcidid: 0000-0001-9038-0825 surname: Ismillayli fullname: Ismillayli, Nurul organization: Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram, Jl. Majapahit No. 62, Mataram, 83125, West Nusa Tenggara, Indonesia – sequence: 3 givenname: Dewi Hidayati surname: Fatwa fullname: Fatwa, Dewi Hidayati organization: Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram, Jl. Majapahit No. 62, Mataram, 83125, West Nusa Tenggara, Indonesia – sequence: 4 givenname: Ulul Khairi orcidid: 0000-0003-2676-4407 surname: Zuryati fullname: Zuryati, Ulul Khairi organization: Laboratory of Analytical Chemistry, Faculty of Mathematics and Natural Sciences, University of Mataram, Jl. Majapahit No. 62, Mataram, 83125, West Nusa Tenggara, Indonesia – sequence: 5 givenname: Handa orcidid: 0000-0002-4214-9124 surname: Muliasari fullname: Muliasari, Handa organization: Department of Pharmacy, Faculty of Medical, University of Mataram, Jl. Majapahit No. 62, Mataram, 83125, West Nusa Tenggara, Indonesia – sequence: 6 givenname: Rahadi orcidid: 0000-0003-4080-1390 surname: Wirawan fullname: Wirawan, Rahadi organization: Department of Physics, Faculty of Mathematics and Natural Sciences, University of Mataram, Jl. Majapahit No. 62, Mataram, 83125, West Nusa Tenggara, Indonesia – sequence: 7 givenname: Didik surname: Prasetyoko fullname: Prasetyoko, Didik organization: Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jl. Arief Rahman Hakim, Sukolilo, Surabaya 60111, Indonesia – sequence: 8 givenname: Suprapto surname: Suprapto fullname: Suprapto, Suprapto organization: Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jl. Arief Rahman Hakim, Sukolilo, Surabaya 60111, Indonesia |
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| Keywords | Antibacterial activity Bio-mediated Green tea leaves extract Silver nanoparticle |
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| Title | Bio-mediated electrochemically synthesis of silver nanoparticles using green tea (Camellia sinensis) leaves extract and their antibacterial activity |
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