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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Jurnal Pendidikan Vokasi JPTK: Jurnal Pendidikan Teknologi dan Kejuruan International Journal of Renewable Energy Development Mechatronics, Electrical Power, and Vehicular Technology TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Sinergi JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI ELINVO (Electronics, Informatics, and Vocational Education) PROtek : Jurnal Ilmiah Teknik Elektro Science and Technology Indonesia Jurnal Penelitian Pendidikan IPA (JPPIPA) Fikiran Masyarakat Indonesian Journal of Chemistry Journal of Applied Agricultural Science and Technology Journal of Local Government Issues Agroteknika Indonesian Journal of Electrical Engineering and Computer Science JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI Jurnal Surya Teknika International Journal of Applied Technology Research Journal of Applied Agricultural Science and Technology J-ENSITEC (Journal of Engineering and Sustainable Technology) AMPLITUDO: Journal of Science & Technology Innovation International Journal of Renewable Energy Development PREDATECS: Public Research Journal of Engineering, Data Technology and Computer Science Journal of Engineering and Technological Sciences
Ahmad Fudholi
National Research And Innovation Agency (BRIN)
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Preparation of Polyacrylonitrile-Polyethersulfone Nanofibers Loaded with Reduced Graphene Oxide from Palm Kernel Shell forWastewater Filtration Dani, Rahma; Almafie, Muhammad Rama; Mataram, Agung; Lamura, M. Danny Pratama; Akhsan, Hamdi; Marlina, Leni; Fudholi, Ahmad; Ismail, Ahmad Fauzi; Sriyanti, Ida
Science and Technology Indonesia Vol. 11 No. 2 (2026): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2026.11.2.457-480

Abstract

The development of Polyacrylonitrile (PAN)–Polyethersulfone (PES) nanofiber membranes loaded with Reduced Graphene Oxide (rGO) offers an innovative and sustainable solution for water filtration. This study synthesized and characterized PAN–PES loaded rGO nanofiber membranes using an electrospinning technique. A PAN–PES mixture (8:2 mass ratio) at 10–20 wt% served as the matrix, with 48 mg of rGO added. The membranes were analyzed using scanning electron microscopy, Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), mechanical testing, water absorption, immersion resistance, and clean water permeability (CWP). The resulting nanofibers exhibited defect-free, bead-free, and uniform morphology with diameters ranging from 389 to 757 nm. FTIR confirmed hydrogen bonding between PAN–PES and rGO, while XRD showed sharp peaks with a maximum crystallinity of 33.52%. The membrane displayed a Young’s modulus of 57.83 MPa and remained stable after 32 days of immersion. It demonstrated superhydrophilic behavior with a contact angle of 72.4o to 74.3o, sustaining a stable water flux at 6.0 bar for 60 min, yielding a permeability of 3.25 to 23 L/m2.h.bar and an equilibrium water content of 69 to 91%. Surface morphology before and after wastewater filtration revealed effective contaminant capture and strong antifouling resistance. These results confirm that PAN–PES loaded rGO nanofiber membranes possess excellent mechanical stability, high permeability, and superior wettability, providing a promising pathway for advanced, sustainable water filtration applications.
Effectiveness of Solar System Scope-Assisted PBL on Kepler Law Material Integrated with Al-Quran to Improve Student Learning Outcomes Khairiah Khairiah; Hajar Mawaddah; Lia Afriyanti Nasution; Ahmad Fudholi; Mohd Awang Kechik; M. Khadafi Somwong
Jurnal Penelitian Pendidikan IPA Vol 10 No 9 (2024): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i9.8618

Abstract

This research is motivated by the low ability of students to understand physics subjects which are considered difficult, including the difficulties experienced namely visualizing subject matter which requires learning models and media as support to improve student learning outcomes. This research was conducted at MA Muallimin UNIVA Medan, by applying the Problem Based Learning (PBL) learning model assisted by Solar System Scope media on Kepler law material integrated with the Koran which is used in the learning process to improve student learning outcomes. The research method used is experimentation which is a type of quantitative research in class X MIA 1 as an experimental class with a Probe Based Learning (PBL) learning model. The sample was taken using a purposive sampling technique. The instrument used is a written test (essay) with 10 questions. It is known that the pretest and posttest data are normally distributed with a significance value of Experimental Pretest (0.078), Experimental Posttest (0.130), Control Pretest (0.200), Control Posttest (0.052) and are declared homogeneous with a significance value of Based on Mean (0.245) where the test value normality and homogeneity exceed (>) the real level used in the measurement, namely α = 0.05 or 5%. With the help of SPSS it is known that the average learning outcomes of students in the experimental class (83.07) are higher than those in the control class (79.90) so it can be concluded that the hypothesis is accepted and the average of the experimental class is stated to be better than the average of the control class. As for the effectiveness of the experimental class with the PBL (Problem Based learning) model, it was 76.6% and the control class with the Direct Instruction learning model was 54.4%, where the experimental class was declared effective and the control class was declared less effective.
Enhancing Collaborative Teaching Through Developing Website-Based Learning Materials for Lecturers at Makassar Aviation Polytechnic Sukarwoto; Moch. Rifai; Ahmad Fudholi; Rusman Rusman; Heru Prasetyo; Fachrurrazi Burhanuddin
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 10 No. 1 (2025): May 2025
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/elinvo.v10i1.77716

Abstract

This study aims to develop a website-based Learning Material Collaboration System (LMCS) for lecturers at Makassar Aviation Polytechnic. The system is designed to facilitate online collaboration in preparing teaching materials, ultimately enhancing the overall quality of learning using the waterfall method. Currently, teaching materials at the institution are independently prepared by the lecturers responsible for their respective courses, which results in non-standardized materials and limited collaboration between lecturers, practitioners, and cadets. The resulting materials are more comprehensive and sustainable through collaborative efforts in preparing teaching materials. The application requires lecturers to create an account, ensuring only authorized individuals can contribute and compile the teaching materials. This study proposes a collaborative platform that allows teaching materials to be prepared online to improve the effectiveness of learning and the quality of teaching materials. The LMCS application was tested to evaluate its reliability, efficiency, and effectiveness. The test results showed that the application effectively supported the collaboration of teaching materials, although some obstacles remained in managing cadet groups. Based on usability testing conducted with 10 participants, the application was user-friendly, with most testers successfully completing nearly all tasks. Analysis of the questionnaire using a Likert scale revealed positive user feedback, with the ease of use aspect scoring 82.6% and usability achieving a high score of 87.3%. Users felt that the application accelerated and facilitated the collaboration of teaching materials among lecturers and improved operational efficiency. However, for further development, training on the application and improvements to the user interface (UI/UX) are needed to ensure optimal use by all levels of users. The results of this study are expected to contribute to improving the quality of teaching materials and institutional accreditation at Makassar Aviation Polytechnic.
The effect of Problem-based Learning (PBL) with mockup media in learning programmable logic controller Suhanto Suhanto; Mustaji Mustaji; Moch. Rifai; Lady Silk Moonlight; Asep Muhamad Soleh; Ahmad Fudholi
Jurnal Pendidikan Vokasi Vol. 14 No. 1 (2024)
Publisher : ADGVI & Graduate School of Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpv.v14i1.64622

Abstract

This research aims to (1) examine the differences in learning outcomes of programmable logic controllers between cadets who use problem-based learning strategies assisted by mockup media and problem-based learning strategies, (2) examine the differences in learning outcomes of programmable logic controllers between cadets who have high and low initial abilities, and (3) examine the interaction effect between learning strategies and initial abilities on learning outcomes of programmable logic controllers. This research uses a 2 x 2 factorial design with the object of research being the 3rd-semester airport electrical engineering study program students at Aviation Polytechnic Surabaya. The sample of this research includes 47 students of the TLB 11 AB class as the experimental group of problem-based learning strategy assisted by mockup media and 46 students of the TLB 12AB class as the control group of problem-based learning strategy. A learning outcomes test collected the data on learning outcomes in the form of multiple choice. Learning outcomes data were analyzed using two-tailed ANOVA (analysis of variance). The results showed that there is a significant difference in learning outcomes of the programmable logic controller between cadets who learn using problem-based learning assisted by mockup media and problem-based learning, there is a significant difference in learning outcomes of the programmable logic controller between cadets who have high and low initial abilities, there is no interaction effect between learning strategies and cadets' initial abilities on learning outcomes of the programmable logic controller. This research can contribute to improving students' understanding and skills in the field of PLC. Through practical experience and relevant projects, students can develop a deeper understanding of PLC concepts and improve their technical skills in designing, implementing, and solving problems related to PLC systems.
Co-Authors - Andasuryani Abrar Ridwan Abu Bakarr Momodu Bangura Achmad, Alamsyah Adepradana, Cintopa Satria Adnan Ibrahim Agung Mataram Agus Junaedi Agus Risdiyanto Agus Risdiyanto Ahmad Fauzi Ismail Ahmad Fazlizan Abdullah Ahmad Rajani Ahmad Rajani Ahmad Rajani Ahmad, Nasarudin Ahmed Mohamed Omer Abdulmula Ahyar Ahmad Almafie, Muhammad Rama Amanda Halim Amiral Aziz Andri Joko Purwanto Andri Setiawan Andria, Agus Anjar Susatyo Anjar Susatyo Ant. Ardath Kristi Ant. Ardath Kristi Anwar Anwar Anwar Muqorobin Apriwandi . Ari Pani Desvina Ari Pani Desvina Arief Sudarmaji Arief Wisaksono Arifin, Muhammad Subhan Asep Rachmat, Asep Awaludin Martin Azizatun Nikmah, Nur Sani Bahtiar Bahtiar Bahtiar, Bahtiar Bambang Susanto Bambang, Muhammad Refo Bangura, Abu Bakarr Momodu Banowati, Lies Bisono, Damawidjaya Budi Mulyati, Budi Budi Prawara Budi Prawara Chan Hoy Yen Cheku Nurul Aisyah Chitraningrum, Nidya Cipta Endyana Dalila Mat Said Dalmasius Ganjar Subagio Damayanti, Isniwana Dani, Rahma Darussalam, Rudi David Setiawan Desy Kartina Devita Utami Mardiani Dewi Jannati, Eidelwei Dian Andriani Engkos Koswara Erie Martides Erman Taer Erwin Susanto Fachrurrazi Burhanuddin Fachry Abda El Rahman Faisal Mahfud Farishi, Salman Fazleena Musthafa, Mariyam Fitrotun Aliyah Galih R, Sayid Ghalya Pikra Goh Li Jin Hadi Sirad, Mochammad Apriyadi Hajar Mawaddah Hamdi Akhsan Hanny Hafiar Hardani, H Harjono P. Santosa Harningsih Karim Hartono Hartono Hartono Hartono Haryadi Haryadi Hasna Rifdah Khairunnisa Hasnah Natsir Hazim Moria Haznan Abimanyu Haznan Abimanyu Hendri Maja Saputra Herawati Budiastuti Herdiana, Dina Hernimawati Hernimawati Heru Prasetyo Husam Abdulrasool Hasan Ida Sriyanti Indah Raya Indra Sakti Intan Noviantari Manyoe Irfandi, Rizal Irfansyah, Ade Ishak, Iskandar Shah Ismail, Kamarulafizam Isniwana Damayanti Ivan Taslim Izza Anshory Jalal Assadeg Jamaaluddin Jayawarsa, A.A. Ketut Julnaidi, Julnaidi Junaedi, Agus Kadek Heri Sanjaya Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Khairiah Khairiah Kholidil Amin Komarudin, Udin Koto, Arthur Gani Kristi, Ant. Ardath Lady Silk Moonlight Lalu Ahmad Didik Meiliyadi Lalu Darmawan Bakti, Lalu Darmawan Lamura, M. Danny Pratama Leni Marlina Lia Afriyanti Nasution Lim Chin Haw M. Khadafi Somwong Majid Khan Bin Majahar Ali Majid Khan Bin Majahar Ali Majid Khan Majahar Ali Mardiansah, Fajril Mariyam Fazleena Musthafa Mariyam Fazleena Musthafa Mat Said, Dalila Mega Fatimah Rosana Merita Ayu Indrianti Moch. Rifai Moch. Rifai Mohammad Hossein Yazdi Mohd Awang Kechik Mohd Hafidz Ruslan Mohd Hafidz Ruslan Mohd Hafidz Ruslan Mohd Yusof Othman Mohd-Zawawi, Fazila Mohd. Tahir Ismail Muchtar, Kahlil Muh. Wahyudi Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri, Muhammad Mukhtar Mukhtar Mulianti Muslizainun Mustapha Mustaji Mustaji Mustapha, Muslizainun Nasarudin Ahmad Naseem Akhtar Nilofar Asim Nira Aulia Hanifah Nofialdi, Nofialdi Nofialdi, Nofialdi Noorden, Zulkarnain Ahmad Noviadi A. Rachman Noviadi Arief Rachman Novita Vindri Harini Nugroho, Muhammad Very Nur Farhana Mohd Razali Nur Farhana Mohd Razali Nurato Nurul Shahirah Binti Rukman Nurul Shahirah Binti Rukman Nurul Shahirah Binti Rukman Nurul Shahirah Rukman Nurul Syakirah Nazri PERDANA PUTERA Pierre Damien Uwitije Piseno, Wirawan Pola Risma Prakoso, Aji Putro Prastawa, Andhika Prastowo , Ari Agung Putri Adia Utari Putri, Rahma Lia Putu Yudhistira Budhi Setiawan Radiansah, Yadi Rahmadeni Rahmadeni Rajani, Ahmad Rakhmad Indra Pramana RD Kusumanto Rezavidi, Arya Ridho Hantoro Ridho Hantoro Ridwan Abdurrahman Ridwan Arief Subekti Ridwan Arief Subekti Ridwan Arief Subekti Ridwan Arief Subekti rifa'i, Muhammad Rika Taslim Rohman, Fikri Nur Rudi Darussalam Rusdianasari Rusdianasari Rusdianasari Rusdianasari Rusman Rusman Sa'adah, Nila Saefudin, Deny Bayu Sakuraba, Takahiro Saleem H. Zaidi Santi Santi Santosa Santosa Santosa Santosa Sapari, Norazliani MD Saprizal Hadisaputra Saputra, Huzair Sastra Kusuma Wijaya Satibi Satibi Setiyo Setiyo Sevia Mahdaliza Idrus Sohif Mat Sohrab Mirsaeidi Soleh, Asep Muhamad Sopian, Kamaruzzaman Sri Aulia Novita Stephen Phillips Subakir Salnus Sudibyo, Henny sudirman palaloi sudrajat sudrajat Suhanto Sukarwoto Surya Dailiati Susatyo, Anjar Syamsul Kurniawan Tinton Dwi Atmaja Tinton Dwi Atmaja Tinton Dwi Atmaja Tresna Dewi Tri Suyono Uce Lestari Uce Lestari Usman Usman Uwitije, Pierre Damien Wahid, Mazlan Abdul Wahyudi, Muh. Wan Nurlaila Mat Desa Wan Nurlaila Yusra Mat Desa Yasin, Mohd Fairus Mohd Yendra, Rado Yurni Oktarina Yusof Othman, Mohd Yuyun Suprapto Zahira Yaakob Zainal Ahnur Zauhari, Azi Zeki Ahmed Darwish Zulfatri Aini Zurhalki, Muhammad