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Journal : Emerging Science Journal

Agarose-Based Antibacterial Films from Gracilaria sp.: Isolation, Characterization, and Metal Nanoparticle Incorporation Ahmad, Ahyar; Zainuddin, Rahmaniah; Saksono, Budi; Anita, Sita Heris; Zulfiana, Deni; Ermawar, Riksfardini A.; Arfah, Rugaiyah; Natsir, Hasnah; Karim, Harningsih; Irmawati; Ramli, Siti R.; Karim, Abdul
Emerging Science Journal Vol. 9 No. 5 (2025): October
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/ESJ-2025-09-05-03

Abstract

The incorporated metal nanoparticles in a polysaccharide-based film exhibit efficient antibacterial activity against harmful germs. However, previous studies have used a commercial polysaccharide for their film production. Therefore, this study aimed to develop a natural polysaccharide-based film extracted from the local algae Gracilaria sp. originating from Sinjai Regency, South Sulawesi, Indonesia. Firstly, the polysaccharide agarose was isolated and its properties compared with those of commercial agarose. A present low-cost isolation process produces agarose with 1.8% (w/w) of yield. Results also showed physicochemical properties similar to those of the commercial agarose. Secondly, the agarose-based antibacterial film was synthesized at 0, 0.5, and 1% glycerol concentrations. The synthesized film was incorporated with silver (Ag) and copper (Cu) nanoparticles (NPs). Morphological, mechanical, and physicochemical properties of the incorporated Ag-agarose and Cu-agarose films were characterized using Field Emission Scanning Electron Microscope (FESEM), Universal Testing Machine (UTM), and Fourier Transform Infrared Spectroscopy (FTIR), respectively. Results showed the film stiffness and tensile strength increased by incorporating either AgNPs or CuNPS. The interaction of AgNPs-agarose most likely involves physical bonds, while the interaction of CuNPs-agarose forms coordination bonds. An antibacterial test showed that the Ag-agarose nanocomposite inhibited the growth of Escherichia coli, Salmonella typhimurium, Staphylococcus aureus, Staphylococcus epidermidis, and Bacillus subtilis. In the meantime, Cu-agarose prevented the growth of Staphylococcus aureus. Overall, antibacterial activity was influenced by the interaction between metal nanoparticles and agarose, the concentration of metal nanoparticles, and the film's solubility. An agarose-based antibacterial film from Gracilaria sp. has the potential for use in various applications, including food packaging, pharmaceuticals, and other industries.
Co-Authors A. Mulkaida Istiqomah A. Ratna Sari M Abdul Karim Abidin, Jaenal Achmad Zulfajri Syaharuddin Agus Kurniawan B Agus Slamet ahmad arifin Ahmad Yani Ahyar Ahmad Ainurafiq Akriandi Amin Al Ikhlas Alda Genesis Aldina Lestari Alfina, Aisyah Eka Alifah Dhiah Qanifah Lestari Amalia, Nurlaeli Amaliah, Rezky Ambo Dalle Amiruddin Anaguna, Nursyam Andi Abd. Muis Andi Bahrun Syam Andi Nurlaily Andi Suswani Andikayani, Dian Andini Andre maulana Anggraeni Angraini Anita Rahayu Annissa Valentina Aprilia Apriyanti, Fhertyna Arfah, Rugaiyah Arie Ekayudistira Kirana Tejawati Asdinar Asmirah Khusnul Yuliana Asmirati Asniar, Wd. Devi Asrul Auti, Asmin AYU FITRIANI Baharuddin Baharuddin, Suci Maulidya Bahtiar, Akbar Bhisma Murti BUDI SAKSONO Chairunnisya, Tara Christian, Elvin Cika Nurani Citrowati, Endang Cucut Susanto, Cucut Cut Azizah D. Wulan Azzahra Damayani, Indah Ashary Damayanti, Arfina Darmawati Dela Puspita Sari Deni Zulfiana Dewi Mitra Maulidyah Dini Ikayanti Disti Apriani Dita Widiyani Dzakiah ekawati Elina Bayusri Elisa Christiana Ely Kurniati Erma Yani Ermawar, Riksfardini A. Ernawati Ernawita Eva Fitri Fachrul Achsan Saputra Fajriyati Inaku, Dwi Fakhrini, Rifa Rizkia Faridha Nasir Fatima Fatima Gita Mutmaina Fausiyah Annisa Fausiyah Annisa Ica Fauziah Hakim Firdaus Sulaiman Firdaus Sulaiman, Firdaus Fitra Gustiar, Fitra FITRIYAH Grace Gustina Halus Satriawan Harianto Hariati Harlina, Sitti Harliwan Harningsih Karim Haryanti Haris Hasbahuddin, Hasbahuddin Hasnah Natsir Helena Heppi Naomi Lastio Sihombing Hikma Niar hikmahwaty Husnaeni Hutapea, Bilferi I Gusti Ngurah Krisna Wijaya Ibnu Alfarobi Ibnu Haidir Iis Setiofani Ikhsan Alfandi Indah Lestari, Laras Indasari, Sri Suci Indo Iya Mappaita Inur Lailatul Muawanah Iramaya Sari Irma Irmawanti Isma Yulia Sofiani Jesika Selin Jimmy Malintang Joeharnani Tresnati Johar Amir Jonial Juharni Kartika Firdasari Khozin, Khozin KHUSNUL YAQIN Komang Fridagustina Adnantara Komang Krishna Yogantara Kristina Barek Dohni Kriswanto Kudiantoro Widianto, Kudiantoro Kurniawati La Djawa, Awal Rahmad La Sunardin Laili Komariyah, Laili Ld. Muh. Ilham Lempan, Tasik Liasmin Lintang sri lestari Listanty Widya Anggraeni Luthfatul Laeli Nur'Afita M, Yitra M. Deri Ramadhan M. Iqbal Alifudin Maharani, Rini Mahmudah Mahmudah, Titik Makmur Maria Ulviani Marlina Marpuah, Dr. Marsum Marwidah Masriah Mawar Merry Purnamasari Mery Hasmeda Metilda Meutia Nauly Michael William Sihombing Mifta Fadhli As’ad Mira Misdayanti Misdayanti Mitra Asriani Mochamad Nurdin Moses Aripin Indah Setiawan Muflihah Baktiar Muh Amar Muh Asrul Muslim Muh. Ardiansyah Muh. Rifqy Aufa Daffa Muhammad Alim Kahfi Muhammad Ardiansyah Muhammad Irham Tuppu MUHAMMAD LUTFI Muhammad Rijal Bashri Muhlis Hajar Adiputra Munir Salham Murida Wiryanti Mustafa, Sitti Aisyah Mustakima Na'imah Nabila Nadiarti Nasir, Nur Asra Nawastuti, Nawang Nazihah Negara, Zaidan P. Niar, Hikma Nina Dwi Astuti Ninis Hadi Haryanti, Ninis Hadi Noor Taufik Hidayat Norma Juainah Nur Amin Nur Ishlah Rusman Nur, Ahmad Nurdiansah Nurdiansah, Nurdiansah Nurhaeda Nurhijrah Nurhikmayana Janna Nurmiati Nurul Ajira Nurul Fitrasari Nurul Pertiwi Dwi Widiatin Nurumi Rahmawati Nurwahidah, Rizky Nurzam, Eka Nur’Afita, Luthfatul Laeli Ode Yahyu Herliani Yusuf Omar Khalifa Burhan Pitri Pradita, Ganung Putri Rahma Dinda Rachel Andrea Rahayu Rahma Suci Hidayanti Rahmatiah Thahir Rajma Ramadhani, Arie Ramadiansyah Ramli, Siti R. Rangga Saputra Rapita Purba Ratnawati, Siti Refi Anjani Retna Anggitaningsih Ridhoi Meilona Purba Rifaldi Riko Iswantoro Ririn Ariyanti, Ririn Riskayanti Rismawati Rohma, Wasilatur Rosdiana Rosmiati Rukhayati rusdiana Rusliana Rusnawati Sabaruddin Sabila Nurfitria Saharuna , Zawiyah Sairun, Mujiono Salmawati Samria Samrina, Titin Saputra, Fery Prayoga Satriadi Seni, Muhamad Septian Trisyananda Sherly Siminto Sinulingga, Rahma F. Sita Heris Anita Siti Anisyah Siti Novi Coalliani Siti Suwadah Rimang Sofian Wira Hadi Sri Dewi Rahmawati Sri Eka Juniarli Sri Harti Sri Sedar Marhaeni Sri Suciati St. Nurhayati Ali Stevani Susilia Sudirman Sulistyaningsih, Lidwina N. Syahrul Ganda Sukmaya Syaifur Rahmatullah Abdul Rojak Syaifur Rahmatullah AR Syam, Nurul Tarizya Syamsudduha Syamsuriani Syifa’ Hanum Budiawati T, Husain Tasrif Shandy Unan Yusmaniar Oktiawati Usman Vidya Urbaningrum Vidya urbaningrum vidya Vio Ardana Listyandita Putra Vivin Wa Anasari Wa Ode Novika Wa Ufi Wama Wati Warsito Kawedar Wati WULANDARI Yelsi Putriana Lama Yudo Dwiyono Yuliana Yuliana Yulianto, Andy Yuliati Yusuf Z, Zahlimar Zainuddin, Rahmaniah Zidny, Irvan