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All Journal JURNAL KIMIA SAINS DAN APLIKASI
Si Ayu Dian Natalia
Department of Pharmacy, Faculty of Pharmacy and Health Sciences, Universitas Pendidikan Nasional, 80224, Bali|Universitas Pendidikan Nasional|Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering

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Biogenic Silver Nanoparticles from Plumeria Extract and Their Larvicidal Potential Against Aedes aegypti Si Ayu Dian Natalia; Pande Koming Agnesya Wulan Devi; Gusti Ayu Dewi Lestari
Jurnal Kimia Sains dan Aplikasi Vol 29, No 7 (2026): Volume 29 Issue 7 Year 2026
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.29.7.505-514

Abstract

Larvicides are a class of insecticides that chemically control the growth of dengue vectors. Although synthetic larvicides remain effective for mosquito control, their prolonged and excessive use may contribute to insecticide resistance and potential environmental impacts. In alternative literature, silver nanoparticles can be used to reduce these negative impacts, as they exhibit larvicidal activity. Organic waste, such as plumeria leaves that have fallen, wilted, and lost economic value, can serve as a bioreductor in the synthesis of silver nanoparticles. Green synthesis of silver nanoparticles was carried out by mixing the water extract of plumeria leaves with a 1 mM AgNO3 solution at a 1:9 (v/v) ratio. The concentration of the plumeria leaf water extract used was 1%, and the heating temperature was 60°C. Silver nanoparticles were characterized using a UV-Vis spectrophotometer, PSA, TEM, and SEM-EDS, and their larvicidal activity was tested. Silver nanoparticles provide a maximum wavelength of 430 nm. The TEM and SEM-EDS characterization results show irregular spherical shapes, as well as square and triangular shapes, and PSA confirmed an average particle size of 72.39 nm with a zeta potential of −21.51 mV. Biosynthesized silver nanoparticles exhibit larvicidal activity with an LC50 of 13 ppm.
Co-Authors Gusti Ayu Dewi Lestari Pande Koming Agnesya Wulan Devi