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Green Synthesis of Silver Nanoparticles using Black Betel Leaf Extract with Polyvinyl Alcohol and Its Antibacterial Activity Lita Rahmasari; Iftitahul Khoiriyah; Jezzy Puspa Ayu Wardani; Dimas Rahadian Aji Muhammad
Journal of Physics and Its Applications Vol 8, No 3 (2026): August 2026
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v8i3.32197

Abstract

Black betel leaf extract contains reducing agents like flavonoids, which can reduce the size of silver particles to nanoscale. Meanwhile, Polyvinyl alcohol (PVA) is used to prevent the agglomeration of silver nanoparticles (AgNPs). This study aimed to determine the antibacterial activity of AgNPs synthesized from black betel leaf extract and PVA against Staphylococcus aureus and Escherichia coli bacteria. PVA was varied at concentrations of 0.5 g, 1 g, and 1.5 g in 25 mL of deionized water, which was then mixed with 25 mL of black betel leaf extract. AgNPs were produced through a green synthesis process using the sol-gel technique, involving extraction, synthesis, characterization, and data analysis. The resulting AgNPs were stable across variations in polymer mass, with maximum wavelength absorption ranging from 403 nm to 440 nm. Analysis showed that the AgNPs possessed a Face Centered Cubic (FCC) crystal structure with particle sizes between 12.4 nm and 14.7 nm. Furthermore, the AgNPs were surrounded by various organic molecules such as terpenoids, alcohols, ketones, aldehydes, and carboxylic acids. The most potent antibacterial nanoparticles were the AgNPs synthesized with 0.5 grams of PVA. These AgNPs demonstrated an inhibition zone of 13.9 mm against Escherichia coli and 11.3 mm against Staphylococcus aureus.
Co-Authors Anastriyani Yulviatun Anif Jamaluddin Ardian Ozzy Wianto Ardiba Rakhmi Sefrienda Ardina, Kania Shofi Ari Prasetyo Ari Prasetyo Arina Nur’aini Asri Nursiwi Asri Nursiwi, Asri Astuti, Zenita Mulya Ayouaz, Siham Bambang Sigit Amanto Bambang Sigit Amanto, Bambang Sigit Bara Yudhistira Cantika Aurellia Azarine Danang Purwanto Danar Praseptiangga Dendy Murdiyanto Desti Dwi Kusumawati, Desti Dwi Dhoni Hartanto Dian Rachmawanti Dian Rachmawanti Affandi Dian Rachmawanti Affandi, Dian Rachmawanti Dian Rizqi Novitasari Dwi Ishartani Dwi Ishartani Dwi Ishartani Dwi Ishartani Dwi Larasatie Nur Fibri Dwi Larasatie Nur Fibri Edhi Nurhartadi Endi Irfan Aryanto Fanny Widadie Fibri, Dwi Larasatie Nur Godras Jati Manuhara Gusti Fauza Gusti Fauza Gusti Fauza Gusti Fauza Gusti Fauza Gusti Fauza, Gusti Habib Achmad Prasetyo Hanifah Ihsaniyati Hari Prasetyo Hary Suswanto Iftitahul Khoiriyah INTAN NISA RASULUNTARI Isti Khomah Jezzy Puspa Ayu Wardani Joel Garcia Juvinal Joel Garcia Juvinal Joko Riyanto Kamiilah, Diinah Salwa Koen Dewettinck Lia Umi Khasanah Lita Rahmasari Madani, Khodir Mercy Bientri Yunindanova Mohd Salahuddin Mohd Basri MUHAMMAD ISA DWIJATMOKOa Muhammad Zulfan Hawari Muji Rahayu Nazamid Bin Saari Nendika Dyah Ayu Murika Sari Norhashila Hashim nuning setyowati Nur Lathifah Mardiyati Oktafiani Oktafiani, Oktafiani Oktafiani, Oktafiani Pardono Pardono Pardono Pardono Philip Donald C Sanchez Prima Astuti Handayani Puji Astuti Purnama Darmadji Puspitasari, Aprilia Bertha Putri Wulan Ramadhani R Benny Riyanto R. Baskara Katri Anandito Ratna Dewi Kusumaningtyas Resi Intan Penatari Rohmah Fitri Utami Rokhmaniyah Rokhmaniyah, Rokhmaniyah Santosa, Fajar Julian Saputra, Muhammad Rhaufly Dwi Arga Sasti, Tabita Gita Sechatabina Shahia Majida Septriyani Kaswindiarti Setyaningrum Ariviani Setyaningrum Ariviani Setyaningrum Ariviani Setyowati, Nuning Sigit Prabawa Siham Ayouaz Siham Ayouaz Siswanti Siswanti Siswanti Sucihatiningsih Dian Wisika Prajanti Suhartono, Suhartono Sultan Rafli Wahyudi Wahyudi Wardani, Raden Roro Ilma Kusuma Widianto, Shafwan Rafif Widiyanto Widiyanto Widya Hary Cahyati Wimaryana, Viska Wandhira Windi Atmaka Windi Atmaka Windi Atmaka Windi Atmaka, Windi Xaviera Angelica Gultom Yasmin Nabila Yudi Pranoto Yudiatna, Clara Cessa Putri Zenita Mulya Astuti