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Journal : Sinteza

Optimasi dan Uji Antibakteri Nanopartikel Perak dengan Bioreduktor Ekstrak Batang Anggrek Merpati (Dendrobium crumenatum Sw.) Panjaitan, Keiza Natania; Syamsurizal, Syamsurizal; Maharini, Indri; Putra, Diky Okta Yudha; Septiana, Prima
Sinteza Vol. 5 No. 1 (2025): February
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/sinteza.v5i1.29574

Abstract

Silver nanoparticles have demonstrated significant antibacterial efficacy against Escherichia coli and Staphylococcus aureus.  using a green synthesis method with plant extracts rich in flavonoids as bioreductor.  The pigeon orchid (Dendrobium crumenatum Sw.) is a plant with potential as a bioreductant, especially its stem, rich in flavonoid compounds. Optimizing heating temperature, extract volume, and silver nitrate concentration is essential for producing silver nanoparticles with optimal properties and enhanced antibacterial activity.  This research conducts optimization by varying the volume of pigeon orchid stem extract, heating temperature, and AgNO3 solution concentration.  The main parameter in the optimization is the Surface Plasmon Resonance (SPR) value. The characterization of silver nanoparticles includes particle size, polydispersity index, zeta potential, FTIR spectra, and antibacterial activity tests against E. coli and S. aureus. The research results show that the optimum conditions for synthesising silver nanoparticles are 1 mL of orchid stem extract, a heating temperature of 60°C, and an AgNO3 concentration of 1.629 mM..  The silver nanoparticles produced have characteristics with an SPR peak at 450 nm, a particle size of 98.267 nm, a polydispersity index of 0.2337, and a zeta potential of -21.9 mV.  Antibacterial tests showed an inhibition zone of 14,71±1,23 mm against S. aureus and 15,28±0,91 mm against E. coli.  These results prove that silver nanoparticles effectively inhibit the growth of gram-positive and gram-negative bacteria.
Co-Authors -, Maison -, Zulyusri - A, Abdul Rahim A, Abdur Rahim Abdiel Reihan Afdarina, Oksa Afja, Oktavia Dewi Afnita, Nora Afrida Afrida Agam, Cindy Felia Akana, Lika Akrom, Akrom Alvito Daffa Gustyo Amalia Rani, Amalia Amanda, Putri Aminuyati Andika, Erwin Saputra Andrianto Andrianto Andrianto Andrianto ANDRINI, ROZI Anggrama, Shalsa Anggriyani, Ria Anisa, Anisa Marseli Anita Wulandari Anwar Mustofa Apriyeni, Olda Apriyoza, Wandra Ardi Ardi Arie Gusman Asmaret, Desi Asrial Asyura, Maury Attifah, Yusni Aulia Fitri, Aulia Ayu Lestari Ayunda Friatma Azamel Fata Bambang Hariyadi Chandra, Yanita Ella Nilla Cut Zahri, Cut Damayani, Mira Ovita Darul Ilmi Deani Nabila Faiza Dedy Kurniawan Dela Setia Cahyani Desminar, Desminar Dewi Stalastiana Dewi, Fatria Dwi Ardianti Dwi Kurnia Hayati Effiyaldi, Effiyaldi Efrini, Emi Eka - Sastrawati Eka Charisma Maulidia EKA SARI Elfira, Ida Elisma Elisma Epinur Epinur Ernita Siambaton Ernita Siambaton, Ernita Erwin Permana Erwin Permana Fachry Abda El Rahman Fadilah, Nailatul FAJRINA, SUCI Famita Wijayanti Farida Ariani Ferdyan, Rhavy Fidela, Wita Fietri, Winda Ayu Fina Indah Putri Fira Farizka Firdaus Firdaus Firdaus, Windra Fitri Arsih Fitri Suarni fitri, irsadul Fitri, Rahmadhani Fitria, Anif Fitria, Rahmayani Fitrianingsih Fitrianingsih Forendra, Salsabila Fortunasari, Fortunasari Fransiska, Sherli Fuadiyah, Sa’diatul Fuadiyah, Sa’diatul Gusti, Utari Akhir Halim, Syaflin Hamizar, Hamizar harfarici, Rici Gusti Harmonyzha, Giga K. Hary Soedarto Harjono Haryanto Haryanto Heffi Alberida Helendra . Helendra Helendra Helmi, Lika Akana Helsa Rahmatika Hervi, Fauziah Hikmawati Hikmawati Hubbal Khair Husna Mayasari Ifnu Saputra illahi, Rahmat Ridho Intan Maghvira Ismawati Sitorus Ivo Novidsa Jefri Marzal Jumardi, Muhammad Ikhsan Junaidi, Listya Devi Kamid Kamid Kevin Prayoga Khair, Hubbal Khairunisa, Madona Latifa, Anisa Lativa, Veren Lendriadi, Lendriadi Lesmana, Sata Linda Advinda Lufri Lufri Lutviani, Metya M. Rifqi Efendi Maharini, Indri Mardiyah, Tri Ulfi Margo Purnomo Marlius, Yoni Masafumi Kaneko Meksi Andari Putri Melayu, Melani Arma Meliana Meliana Mochammad Imron Awalludin Moelyadi Moelyadi Mohammad Mostaqul Huq Moralita Chatri Muhamad Athalah Ramadhan Muhammad - Rusdi Muhammad Rafiq Muhammad Syukri Muhammad Yasin Mukhtar, Salsabila Mursal Mursal Mustapa, Mustapa Nabilah, Adzra Nadila, Andieni Delia Nadila2 Delia Nasril, Nasril Nasrullah Djamil Nasution, Indriani Nasution, Umar Hamdan Ngaliman, Ngaliman Nisyah, Yulinarti Choinirul Nobutoshi Murakami Nora Afnita Novi Yanti Novia, Ria Novita Sari Dewi Nur Hasanah Nur'aini, Nur'aini Nurnasrina Nurnasrina Nusrizky, Asri Oktaviani, Featy Panjaitan, Keiza Natania Purwitasari, Maria Evy Puspa Dwi Pratiwi Putra, Diky Okta Yudha Putra, Erik Nanda Putri Septi Nofriands Putri, Fina Indah Putri, Nadila Aulya Rahil Khalisoh Rahmadhani Fitri Rahmat Murbojono Rahmawati Darussyamsu Rahmiyati Rahmiyati, Rahmiyati Ramadhani, Syifa Zalina Ratna Wardani Rayandra Asyhar Relsas Yogica, Relsas Ria Anggriyani Riana, Puspa Cantika Rinaldi, Alhazar Riskon Ginting Rismawati, Viona Rizka Sakinah Rizky Alfiani Fadilah Rosdialena Rukun Santoso Sa'diatul Fuadiyah Safitri, Winda Sakinah, Shalmita Salsabila Mukhtar Sani K, Fathnur Saputra, Edriagus Sari, Eza Permata sari, Mutia Sartika Sartika Satoru Tamura Selaras, Ganda Hijrah Sepriadi, Ilham Septian, Agil Septiana, Prima Septima, Nurul Rizqan Siregar, Lukman Hakim Sisca Cletus Lamatokan Siska Farma Sitanggang, Sarah Dianora Sitorus, Ismawati Sitti - Aminah Sopiah, Sopiah Sri Isnaeni Achmad Sri Yanti Suari, Muhammad Rayhan Subagiyo Subagiyo Suci Fariah Sumiarti Sumiarti Sumiarti Sumiarti Supentri Sutikno Aminah Sutrisno, Sutrisno Suwarni, Desi syafitri, aulia rahayu Syaflin Halim Syamsiar, Syamsiar Syofria Meidona Tengku Sungky Diraputra Timma Dormauli Siallagan Tri Murnilawati Uce Lestari Uce Lestari Utami, Diah Tri Vaseline, Quichtylichta Vatin, Nurva Dillatul Vauzia, Vauzia Vina Septiani Wandi, Joni Indra Winda Ayu Fietri Winda Tri Wahyuni Yanti Srinita Utami Yanti, Elma Rida Yanti, Novita Yosi Laila Rahmi Yosi Safritry Yudha Putra, Diky Okta Yudistira, Olla Krisliani Yuliawati Yusrialis Yusrialis Yustika Trisna Zafit, Vernika Zahra, Raudahtul Zaki, Fakhri Zein, Muhammad Zubaidi Zubaidi Zulbasri, Muhammad Zulyusri - - Zulyusri Zulyusri