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All Journal Indonesian Applied Physics Letters Inovasi Fisika Indonesia (IFI) Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Journal of Dedication in Community (JoDiC) Jurnal Abmas
Ersyzario Edo Yunata
Department Of Physics, Faculty Of Science And Technology, Universitas Airlangga, Surabaya 60115
Humanities Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Materials Science & Nanotechnology Physics Public Health Social Sciences Other

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REVIEW : SINTESIS NANOPARTIKEL SILIKA DARI BEBERAPA MATERIAL DENGAN METODE SOL-GEL: Kata Kunci: Silika, Karakterisasi, Metode Sol-Gel Elvita Eka Nursari; Widya Ningrum; Ersyzario Edo Yunata; Evi Suaebah; Rohim Amirullah Firdaus
Inovasi Fisika Indonesia Vol. 14 No. 1 (2025): Vol 14 No 1
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v14n1.p115-123

Abstract

Silika (SiO₂) adalah senyawa anorganik dengan struktur tiga dimensi yang memiliki beberapa sifat diantaranya luas permukaan besar, porositas tinggi, dan stabilitas termal yang baik. Material silika memiliki aplikasi luas dalam berbagai bidang industri, termasuk katalis, bahan elektronik, dan biosensor. Untuk memperoleh silika menggunakan metode yang efisien, seperti metode sol-gel telah diidentifikasi sebagai teknik yang efektif untuk sintesis nanopartikel silika dengan kualitas tinggi, memungkinkan penggunaan material alami seperti lumpur Lapindo, abu vulkanik, dan pasir pantai. Metode sol-gel memiliki keunggulan dalam kemurnian dan homogenitas produk yang dihasilkan. Proses sintesis melibatkan tahapan hidrolisis, kondensasi, dan polimerisasi untuk membentuk gel silika, yang kemudian dikeringkan dan dikarakterisasi. Hasil karakterisasi menggunakan X-Ray Fluorescence (XRF) menunjukkan peningkatan kadar SiO₂ yang signifikan setelah proses ekstraksi. Misalnya, kadar silika dalam pasir pantai Bajul Mati meningkat dari 31,0% menjadi 93,9%, sementara kadar SiO₂ dalam lumpur Lapindo meningkat dari 50,00% menjadi 77,71%. Selain itu, analisis X-Ray Diffraction (XRD) menunjukkan pola difraksi khas amorf dengan puncak difraksi pada sudut 2θ = 22°, mengindikasikan keberhasilan sintesis nanopartikel silika. Karakterisasi menggunakan Scanning Electron Microscope (SEM) menunjukkan bahwa nanopartikel yang dihasilkan memiliki ukuran sekitar 50 nm, dengan kemungkinan aglomerasi hingga ~1 μm. Hasil dari penelitian ini menunjukkan bahwa metode sol-gel efektif dalam mengekstraksi silika dari sumber alam dengan tingkat kemurnian yang tinggi, menjadikannya alternatif yang berpotensi untuk produksi silika dalam skala industri. Kata Kunci: Silika, Karakterisasi, Metode Sol-Gel Abstract Silica (SiO₂) is an inorganic compound with a three-dimensional structure that has several properties including large surface area, high porosity, and good thermal stability. Silica materials have wide applications in various industrial fields, including catalysts, electronic materials, and biosensors. To obtain silica using efficient methods, such as the sol-gel method has been identified as an effective technique for the synthesis of silica nanoparticles with high quality, allowing the use of natural materials such as Lapindo mud, volcanic ash, and beach sand. The sol-gel method offers advantages in the purity and homogeneity of the resulting product. The synthesis process involves the stages of hydrolysis, condensation, and polymerisation to form silica gel, which is then dried and characterised. Characterisation results using X-Ray Fluorescence (XRF) showed a significant increase in SiO₂ content after the extraction process. For example, the silica content in Bajul Mati beach sand increased from 31.0% to 93.9%, while the SiO₂ content in Lapindo mud increased from 50.00% to 77.71%. In addition, X-Ray Diffraction (XRD) analysis showed a typical amorphous diffraction pattern with a diffraction peak at an angle of 2θ = 22°, indicating the successful synthesis of silica nanoparticles. Characterisation using a Scanning Electron Microscope (SEM) revealed that the resulting nanoparticles were approximately 50 nm in size, with possible agglomeration up to ~1 μm. The results from this study show that the sol-gel method is effective in extracting silica from natural sources with a high degree of purity, making it a potential alternative for silica production on an industrial scale. Keywords: Silica, Characterisation, Sol-Gel Method  
Integrating Physics Concepts into Practical Learning through Smart Robot Projects for High School Students in SMAN 3 Pamekasan Madura Yunata, Ersyzario Edo; Sapuan, Imam; Ukhrowiyah, Nuril; Suaebah, Evi
Journal of Dedication in Community Vol. 3 No. 2 (2025)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences (FMIPA) Universitas Negeri Surabaya (UNESA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jodic.v3n2.p32 - 41

Abstract

This community service program was designed to integrate fundamental physics concepts into practical learning through the implementation of smart robot projects, aiming to enhance students’ comprehension and interest in physics. Conducted at SMAN 3 Pamekasan, Madura, the program involved the design, assembly, and functional testing of four line follower robots and one water-based fire extinguisher robot. Preparatory stages included intensive prototyping and coding trials at the Electronics Laboratory, Department of Physics, Universitas Airlangga, followed by a field survey to the school to assess readiness and requirements. The main activity engaged students in hands-on tasks, encompassing mechanical assembly, electronic circuit integration, and programming, thereby enabling them to directly observe the application of physics principles in robotics. Evaluation using pre-test and post-test instruments indicated a measurable improvement in understanding, with average scores rising from 6.83 to 7.42. These results demonstrate the effectiveness of project-based learning in fostering not only cognitive gains but also positive attitudes toward physics by reframing it as an applied and engaging discipline rather than purely theoretical.
Strategi zero-waste melalui pemberdayaan PKK Ecomitra Wage Sidoarjo dalam sampah berkelanjutan Ersyzario Edo Yunata; Rico Ramadhan; Gunawan Setia Prihandana; Evi Suaebah
Jurnal Abmas Vol. 26 No. 1 (2026): Jurnal Abmas
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/abmas.v26i1.6

Abstract

The increasing volume of household waste in densely populated residential areas is a major challenge for urban environmental management. Limited waste management systems and low household-level waste-sorting practices lead to the accumulation of organic waste, which could cause environmental pollution. Therefore, a sustainable waste management strategy based on community participation is needed. This community service program aims to implement and evaluate a zero-waste strategy by empowering the PKK Ecomitra group in Wage Village, Sidoarjo, through the use of appropriate technologies, including a Dekomposer Dua Sisi (Dedisi) and biopore holes, for processing household organic waste. The program was implemented using a Participatory Action Research (PAR) approach that actively involved partners in planning, socialization, training, technology application, and evaluation. Evaluation was conducted through pretest and posttest methods on 15 indicators of participant knowledge and attitudes. The results showed a significant increase in understanding of the fermentation process, waste sorting skills, awareness of the zero-waste concept, and the use of biopore holes. The overall program achievement rate exceeded 80 percent of the set target. These results indicate that a zero-waste strategy based on collective community decisions and the application of simple technologies is effective in increasing household waste management capacity and behavior, and in supporting the achievement of SDGs 12 and 13.
SYNTHESIS AND CHARACTERIZATION OF HYDROXYAPATITE/POLYLACTIC ACID/COLLAGEN NANOFIBROUS SCAFFOLDS FOR BONE REGENERATION Silvia Resa Pratama; Aminatun; Ersyzario Edo Yunata; Che Azurahanim Che Abdullah
Indonesian Applied Physics Letters Vol. 7 No. 1 (2026): Indonesian Applied Physics Letters - June 2026
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/iapl.v7i1.94212

Abstract

Bone defects caused by accidents, trauma, congenital abnormalities, and metabolic disorders remain a significant clinical challenge requiring effective therapeutic strategies. This study aimed to develop electrospun nanofibrous bone scaffolds based on hydroxyapatite (HA), polylactic acid (PLA), and collagen as potential candidates for bone tissue engineering by mimicking the structure of the extracellular matrix (ECM). The scaffolds were fabricated using the electrospinning technique with various HA–PLA–collagen compositions and characterized through FTIR, SEM, porosity analysis, degradation testing, mechanical property evaluation, and cytotoxicity assessment using the MTT assay. FTIR analysis indicated the absence of new chemical bond formation among the constituent materials, suggesting that the scaffold components were physically integrated. The optimal scaffold composition was obtained at an HA/PLA/collagen ratio of 50:30:20 (wt%), exhibiting an average fiber diameter of 856 ± 210 nm, porosity of 88.31%, degradation rate of 0.0238% h⁻¹, ultimate tensile strength of 1.435 ± 0.197 MPa, elastic modulus of 6.828 ± 1.037 MPa, elongation at break of 21.6%, and cell viability of 80.888%. These findings demonstrate that the HA/PLA/collagen scaffold possesses favorable physicochemical, mechanical, and biological properties, highlighting its potential as a bone scaffold for supporting and accelerating the bone remodeling process.
Pengembangan Kompetensi Siswa SMA di Kabupaten Pati Jawa Tengah Melalui Pelatihan Elektronika dengan memanfaatkan Panel Surya untuk Sistem Smart Lighting Imam Sapuan; Yhosep Gita Yhun. Yhuwana; Pujiyanto Pujiyanto; Siswanto Siswanto; Khusnul Ain; Herry Trilaksana; Ersyzario Edo Yunata
Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Vol 6 No 2 (2026): JIPPM - Agustus 2026
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jippm.1420

Abstract

Ketersediaan energi listrik yang berkelanjutan menjadi isu penting dalam mendukung pembangunan dan kualitas pendidikan. Namun, pemanfaatan teknologi energi terbarukan di tingkat sekolah menengah masih menghadapi keterbatasan fasilitas laboratorium dan sumber daya pendidik. Kegiatan Pengabdian kepada Masyarakat ini bertujuan untuk meningkatkan kompetensi dan kreativitas siswa SMA melalui pelatihan pemanfaatan panel surya untuk sistem smart lighting. Kegiatan dilaksanakan pada 8 Agustus 2025 di SMA PGRI 1 Pati dengan melibatkan 40 siswa dan 8 guru pendamping. Metode kegiatan meliputi penyampaian materi, demonstrasi, praktik perakitan, serta evaluasi menggunakan pretest dan posttest. Hasil evaluasi menunjukkan peningkatan pemahaman siswa dari 65,8% pada evaluasi awal menjadi lebih dari 94,3% setelah pelatihan. Indeks kepuasan peserta juga berada di atas 87% dengan kategori sangat memuaskan. Kegiatan ini menghasilkan sistem smart lighting berbasis panel surya sebagai teknologi tepat guna yang siap dipasang dan mendukung pencapaian tujuan pembangunan berkelanjutan (SDGs), khususnya pendidikan berkualitas dan energi bersih terjangkau.
Co-Authors Aminatun Che Azurahanim Che Abdullah Elvita Eka Nursari Evi Suaebah Evi Suaebah Gunawan Setia Prihandana Herry Trilaksana Imam Sapuan Imam Sapuan Khusnul Ain Nuril Ukhrowiyah Pujiyanto Pujiyanto Rico Ramadhan, Rico Rohim Amirullah Firdaus Silvia Resa Pratama Siswanto Siswanto Suaebah, Evi Widya Ningrum Yhosep Gita Yhun. Yhuwana