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Andri Priyoherianto Pengarang Erna Fitriany Pengarang Novi Ariani Pengarang Cikra Ikhda N.H.S. Pengarang

ABSTRACT Biosynthesis of silver nanoparticles (AgNPs) have many benefits, one of which is in the health sector. AgNPs also have received a great attention in nanotechnology because of antimicrobial and biomedical activity. Green synthesis of AgNPs have a cost- effective and enviromentally alternative. In this research, Actinidia deliciosa were used to reduce the size of Ag to become AgNPs. Biosynthesis, characterisation, and antibacterial activity of AgNPs were studied in this research. The synthesized of AgNPs were characterized by UV-Visible spectroscopy (UV-Vis), Fourier- transform Infrared Spectroscopy (FTIR), and Parcticle Size Analyzer (PSA). The formation of AgNPs was confirmed by optical performance using UV-VIS spectroscopy and showing a peak of AgNPs at 415 nm. C-H, C-N, and C=O groups in Actinidia deliciosa were confirmed by FTIR. The size of AgNPs was studied using PSA and obtained a size of 65,01 nm. This extract was used to synthesized AgNPs exhibited good in antibacterial activity.