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All Journal Indonesian Journal of Conservation Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Teknosains: Media Informasi Sains dan Teknologi AL-Daulah Edu Geography Communications in Science and Technology Jurnal Basicedu Jurnal Ilmiah Samudra Akuatika Cakrawala Indonesia INDONESIAN MINING PROFESSIONALS JOURNAL Alauddin Law Development Journal (ALDEV) Siyasatuna Jurnal Ilmiyah Mahasiswa Siyasah Syariyyah Ijtimaiya : Journal of Social Science and Teaching Jurnal Perempuan dan Anak Indonesia Journal Peqguruang: Conference Series Dirasah : Jurnal Pemikiran dan Pendidikan Dasar Islam Tarbawi: Jurnal Pendidikan dan Pemikiran Islam An-Nahdlah: Jurnal Pendidikan Islam Shautuna: Jurnal Ilmiah Mahasiswa Perbandingan Mazhab Jurnal Basicedu Indonesian Journal of Enterprise Architecture Al Fikrah: Jurnal Pemikiran dan Pendidikan Islam MARAS : Jurnal Penelitian Multidisplin
Ashabul Kahfi, Ashabul
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences Other

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Journal : Communications in Science and Technology

 1 
Effect of layered double hydroxide-graphene oxide modifier composition on characteristics of polyvinylidene fluoride based nanocomposite membranes in the separation of Cu2+ Kusumawati, Nita; Setiarso, Pirim; Supari Muslim; Sinta Anjas Cahyani; Nafisatus Zakiyah; Kahfi, Ashabul
Communications in Science and Technology Vol 9 No 1 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.1.2024.1440

Abstract

This research explored the modified polyvinylidene fluoride (PVDF) nanofiber membranes with a composite of layered double hydroxide (LDH) and graphene oxide (GO) to enhance biofouling resistance. The PVDF/LDH-GO nanocomposite membranes were synthesized via vacuum filtration. FTIR analysis confirmed nanocomposite formation with new peaks indicating the presence of GO and LDH. Variations in the LDH:GO ratio affected the physical, mechanical, and performance properties of the membranes. Based on SEM imaging, the 1:1 LDH: GO ratio exhibited the highest Young's modulus and smallest pore sizes. LDH-GO incorporation increased the mechanical strength, porosity, roughness, hydrophilicity, and pure water permeability of the PVDF membranes. The combination of these factors led to balanced permeability and selectivity values towards Cu2+ solution feeds. LDH-GO was proven effective in modifying the PVDF membrane surface for water treatment and inhibiting biofouling up to 64% against E. coli.
Ionic liquid ultrasound-assisted extraction (IL-UAE) for duck feather keratin and in silico evaluation as a potential procollagen n-endopeptidase inhibitor Sianita, Maria Monica; Kusumawati, Nita; Asri, Mahanani Tri; Dzulkarnain, Shod Abdurrachman; Al Hafidl, Achmad Naufal; Kahfi, Ashabul; Nabila, Mutiara Azfa; Setiawan, Ferdiansyah; Isyrak, Luthfiyah; Rahmawati, Khofifatul
Communications in Science and Technology Vol 10 No 1 (2025)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.10.1.2025.1669

Abstract

This research aims to optimize keratin extraction from duck feathers using an eco-friendly ionic liquid-ultrasound-assisted extraction (IL-UAE) method and evaluate its potential applications in tissue engineering. It investigated the effects of deposition pH (1-6), ultrasonication temperature (40-60°C), and time (60-180 min) on extraction yield and physicochemical properties. The results demonstrated the optimal extraction conditions at pH 3, 40°C, and 60 minutes, yielding 82% keratin with a 0.50 mg/mL concentration, while the lowest yield production was found at pH 6 (33%, 0.20 mg/mL). Meanwhile, characterization via FTIR confirmed predominant ?-sheet structures with characteristic peaks at 3250-3300 cm?¹ (N-H/O-H stretching) and 1700-1500 cm?¹ (C=O stretching). SDS-PAGE revealed pure keratin bands (10-15 kDa), while SEM showed layered, porous morphology suitable for biomaterial applications. Thermogravimetric analysis, furthermore, identified three degradation stages occurred at 0-200°C (3.05% loss), 200-400°C (39.37% loss), and 400-700°C (31.13% loss). Amino acid profiling revealed high L-cystine content (153,064.90-156,926.33 mg/kg) with the significant amounts of glycine (63,958.25-64,064.73 mg/kg), L-proline (77,631.16-77,717.42 mg/kg), and L-leucine (59,111.43-59,198.60 mg/kg). In silico molecular docking studies identified leucine as a promising procollagen N-endopeptidase inhibitor (binding energy -5.0 kcal/mol), which controlled the collagen-breaking and forming process. This ability makes keratin potential to be developed as a scaffold for bone tissue regeneration in medical industry.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Latif Addas, Rahmawati Agussalim, H. Al Hafidl, Achmad Naufal Albar, Sri Aulia Almadani Amalia, Maisarah Amanda, Serli Amin, Miftahul Ananto Aji, Ananto Andi Irwan Benardi, Andi Irwan Andika Isma Armet, Muh. Asdar Budiman Budiman Cahyani, A. Intan Devy, Shalaho Dina Diana Safitri Dzulkarnain, Shod Abdurrachman ERLINA Erwatul Farida Febriati Futuwwatuddin, Muhammad Ibrohim Hasriadi Hisbullah iki, andi Ilma Wulansari Hasdiansa Imanuel Adi Papa Yohanes, Kristi Dese Imanuel Adi Papa Yohanes, Kristi Dese Istiqamah Isyrak, Luthfiyah Khairat, UL Kurniati Kurniati Kurniawan, Andi Ismunandar M. Nurzin R. Kasau, M. Nurzin R. Mahanani Tri Asri Maria Monica Sianita Marilang Maulidiah, Dini Indah Mubin, Muh. Ibnu Muhammad Zuhdi Muhammad, Fadil Nabila, Mutiara Azfa Nafisatus Zakiyah Nana Meily Nurdiansyah Nazlia, Suraiya Nita Kusumawati Nur Fajrin, Muh. Nurhotimah, Siti Perdiansyah, Perdiansyah Pirim Setiarso Putri, Sulfiana dwi Rahma Hayati Rahmawati, Khofifatul Revia Oktaviani Rizwan, T Rofii, Andi Afif ROSFAH, ROSFAH Sabisa, Siboyanga safriani, andi Salam, Alda Amadiarti Saputra, Andi Taslim Saputra, Dandi Sastrawati, Nila Setiawan, Ferdiansyah Sinta Anjas Cahyani Sri Buyung Sudarman Sudarman Supari Muslim Syarli, Syarli Tahir, M. Hijaz Taufiqi, Khoirul Zakaria Zakaria Zulfa, Alfiatus Zulfa, Alfiatus Zulkarnain AS, Zulkarnain