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Journal : Journal of Engineering and Technological Sciences

Role of Deagglomeration in Particle Size and Antibiofilm Activity of ZnO Nanoparticles Synthesized with Averrhoa bilimbi Extract Wonoputri, Vita; Samadhi, Tjokorde Walmiki; Khairunnisa, Shafira; Rahayu, Eka
Journal of Engineering and Technological Sciences Vol. 56 No. 6 (2024)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2024.56.6.5

Abstract

Averrhoa bilimbi fruit extract was utilized as a reducing and capping agent in the biosynthesis of zinc oxide nanoparticles, with an emphasis on the effects of in-situ deagglomeration on physical properties and antibiofilm activity against Escherichia coli. The study explored various biosynthesis parameters, namely deagglomeration method (physical vs chemical), temperature (30, 60 ℃), and zinc precursor-to-extract volumetric ratio (0.5 and 2). High purity crystalline ZnO nanoparticles were obtained by calcining biosynthesis precipitates at 375  ℃. The resulting particles consisted of the wurtzite ZnO phase, with diameters ranging from 18 to 30 nm. The hydrodynamic mean particle diameters were 1.0 to 3.5 µm, suggesting the formation of soft agglomerates. Physical deagglomeration was more effective at higher temperatures, while chemical deagglomeration was more efficient at lower temperatures, owing to the interaction between the deagglomeration method and biosynthesis temperature. The biosynthesized ZnO nanoparticles exhibited good antibiofilm activity, achieving a 61% reduction in biofilm population at 50 ppm ZnO, which increased to 78% at a dose of 200 ppm. This activity was improved by lower biosynthesis temperature and precursor:extract ratio, likely due to the preservation of bioactive molecules. The results demonstrate the potential of biosynthesized ZnO nanoparticles as antibiofilm agent, offering enhanced effectiveness compared to commercial ZnO nanoparticles
Co-Authors ABD Aziz, ABD Abd. Aziz Abdilah, Riana Abdul Aziz Adistiya, Safina Amelia Putri Ahmad Farisyi Al-Hasyir Ahmad Zakir Ahmad Zakir, Ahmad Aisyah, Mitri Alfarizi, Muhammad Faisal Amanah, Muslimatun Aminatuz Zahro Astuty, Eka As’at, Abu Rizal Aziz, Jhovendy Mohamad Azizah, Alfi Nur Brenanda, Ocha Adelia Bunyanis, Fitriana Chofshoh, Umi Chotib, Chotib Ciptia Khoirulina Sanawati Dahri Yani Hakim Tanjung Dandy Kurniawan, Dandy Dede Abdillah Delima Yanti Sari Dewi, Arie Rafika Edi Kurniawan Farid Efendi, Fiki Efendi Elmi Kamsiati Elsera, Marina Ema Wulansari, Rizky Faizah, Evi Fakhrul Rizkie, Dwi Fauziah, Ahmirurotul Febriansyah Marwan Fergiawan, Fatah Franchitika, Rizky Hadinata, Edrian Hasanah, Busyriatul hasdiana, hasdiana Heny Herawati Hetty Zaharani Hidayatillah, Wahyu Hidayatin, Annisa Nur Hidayatullah, Nuril Hosnawiyah, Hosnawiyah Huda, Muhammad Nur Hutahaean, Marcho Malona Ida Ayu Putu Sri Widnyani Irawati Irawati Irawati, Novica Irvan Irvan Izzabillah, Nafisah Nur Jufrika Gusni Karo-Karo, Ilham Zuneri Khairul Ummi Khairunnisa, Shafira Khasanah, Alfi Kholilur Rahman, Kholilur Khomairoh, Nabilatul lubis, ihsan M Rifai, M Madinah, Dina Maratul Medani P. Bhandari Misia, Trivena Miswarti Miswarti Mufarrohah, Rifkiatul Mufidah, Elmi MUKHLISHOTUL JANNAH Mulyadi Putri, Zikra Nasikin, Fahri Na’imah, Afifatul Nimah, Mamluatun Nisa', Kholifatun Nur Jannah, Siti Nurjamiyah, Nurjamiyah Nurwahidin Nurwahidin Oktaviana Sembiring, Boni Pandiya, M. Aljie Prastika, Rima Purba, Indra Uli Saputra Putri Nur Aini Putri, Elisa Andyra Eka Rahman Syahputra, Edy Resa Setia Adiandri Ricki Ananda Ridwan Rachmat Rinaldi Utari, Shinta Ritonga, Alda Kharisma Rohida, Erin Nur Romdoni, Hamdan Rosidi, Ahmad Alfan Saadah, Fina Diafatus Sapitri, Ayuna Saputra, Adam Ridho Saputri, Irma Yani Sari, Putri Herdiana Sembiring, Boni Oktaviana Sembiring, Boni Oktaviani Shofy Zahratunniswah Sinaga, Tantri Hidayati Siregar, Wandani Siregar, Yunita Sari Siti Nurhasanatul Islam Soleha, Daimatus Sulistiyani, Eva Tantri Hidayati Sinaga Tjokorde Walmiki Samadhi Tri Sulistyani Utami, Nadya Vita Wonoputri Vivin Agustin Anggraini Wisudaningsih, Endah Tri Yuliani, Novita Yuzar Yabana, Hamanda