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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya Science and Technology Indonesia Jurnal Sains Teknologi dan Lingkungan (JSTL) Jukung (Jurnal Teknik Lingkungan) ORBITA: Jurnal Pendidikan dan Ilmu Fisika SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pendidikan Fisika dan Teknologi Kappa Journal Lensa : Jurnal Kependidikan Fisika Jurnal Abdi Insani Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jurnal Warta Desa (JWD) Jurnal Penelitian dan Pembelajaran Fisika Indonesia Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Lensa: Jurnal Kependidikan Fisika Kreasi: Jurnal Inovasi dan Pengabdian Kepada Masyaraka Indonesian Journal of Physics (IJP) Jurnal Pertambangan dan Lingkungan Alamtana Asskruie Media for Empowerment, Mobilization, and Innovation in Research & Community
Alfina Taurida Alaydrus
Department Of Physics, Faculty Of Mathematics And Natural Sciences, University Of Mataram, Jl. Majapahit No. 62 Mataram, Mataram, 83125, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Astronomy 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 Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Pemasangan Jaringan Sistem Pengukuran Sebaran Fine Partikel di Area Pesisir Sekotong Barat Hadi, Kasnawi Al; Budianto, Arif; Alaydrus, Alfina Taurida; Rahayu, Susi
Jurnal Pengabdian Magister Pendidikan IPA Vol 8 No 4 (2025): Oktober-Desember 2025
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v8i4.14054

Abstract

Pengabdian kepada Masyarakat (PkM) ini dilatarbelakangi oleh minimnya data kualitas udara, khususnya konsentrasi partikel halus (PM2.5), di kawasan pesisir Sekotong Barat yang berpotensi terpapar polusi dari aktivitas antropogenik dan alamiah, sehingga diperlukan sistem pemantauan yang representatif. Tujuan PkM ini adalah untuk melakukan pemasangan dan menyosialisasikan jaringan sistem pengukuran sebaran fine particle guna memetakan tingkat pencemaran udara berbasis partikulat secara real-time di wilayah tersebut. Metode pelaksanaan mencakup survei lokasi untuk menentukan titik pemasangan yang strategis, instalasi sensor partikulat yang terhubung ke sistem pencatatan data, serta pendampingan dan pelatihan kepada masyarakat mengenai operasional dan interpretasi data. Hasil implementasi menunjukkan bahwa jaringan sistem telah terpasang dan beroperasi dengan baik, menghasilkan data awal sebaran PM2.5 yang bervariasi berdasarkan waktu dan lokasi, sementara pembahasan mengindikasikan bahwa data ini dapat menjadi dasar ilmiah bagi pemangku kepentingan dalam upaya pengelolaan lingkungan dan peningkatan kesadaran masyarakat akan pentingnya kualitas udara.
Functionalization of Titanium Dioxide Nanoparticles in Anatase-Rutile Phases and Quartz Crystal Microbalance for Humidity Sensing Materials Mardiana, Laili; Fajriah, Baiq Nurul; Wirawan, Rahadi; Alaydrus, Alfina Taurida; Rahayu, Susi
Science and Technology Indonesia Vol. 11 No. 1 (2026): January
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.2026.11.1.252-260

Abstract

A QCM (Quartz Crystal Microbalance) can be developed as a humidity sensor with a selective coating material. TiO2 (titanium dioxide) is a metal oxide with several crystal phases: anatase and rutile phases. However, there are few studies on the crystal phase investigation of a TiO2-based humidity sensor. Thus, this study aimed to develop a humidity sensor by functionalizing TiO2 particles with different crystal phases. The coating materials were prepared by ultrasonication. The synthesis was conducted by mixing 7 mL of TTIP (Titanium (IV) Isopropoxide) precursor in ethanol. This solution was stirred for 30 minutes, ultrasonicated, and heated for 16 hours to make a gel. The next step was a calcination process with two different temperatures to produce different crystal phases: 500oC (anatase) and 700oC (rutile). The synthesized powders were analyzed using XRD-SEM and coated onto the surfaces of the QCMs used as the developed sensors. These sensors were tested inside a chamber using a humidity control kit and a frequency counter (humidity levels: 57% to 92%). The results show that the rutile phase has a smaller particle diameter (252.672 nm) than the anatase phase (384.589 nm). The humidity sensing examinations indicate that the anatase-phase sensor has faster response-recovery times (19 seconds and 8 seconds) than the rutile-phase sensor (28 seconds and 50 seconds). It can be concluded that TiO2 particles in the anatase and rutile phases can be functionalized as a high-sensitivity coating material for a QCM humidity sensor.
The Influence of the Tide Levels on the Water Electrical Conductivity Parameter in the Estuary Area: In-Site and Real-Time Measurement Alaydrus, Alfina Taurida; Budianto, Arif; Rahayu, Susi; Andini, Mira; Akhyar, Halil; Anggriani, Ni Ketut
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 11 No 2 (2025): July - December
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v11i2.10881

Abstract

One area that requires attention in water quality studies is the estuarine ecosystem. Estuaries are transition zones connecting freshwater and marine waters, thus possessing unique environmental dynamics. However, there is limited information regarding the effect of sea tides in the area on local estuary water quality. Therefore, this study aims to identify the existing relationship between sea tide levels and EC values, using an IoT-based system that is portable, lightweight, and capable of operating in real time. This study was conducted over five days in Senggigi village, Batulayar, West Nusa Tenggara, Indonesia. The collected data focused on the EC parameter's water quality levels at different tide levels, which were monitored using the self-developed system. This system was developed using an EC sensor, a microcontroller, and a wireless internet router (for wireless data communication via ThingSpeak.com). This system was also equipped with a pH sensor, a TDS sensor, and a water temperature sensor. The recorded data show that the resulting data are valid and highly accurate, and that the system is ready for examination at the measurement area. The resulting data show that the correlation between tide level and EC value is logarithmic, with a regression coefficient of 0.934. The EC level was about 20.42 – 62.54 mS/cm, depending on the tide level. It can be concluded that the tide level indeed influences the EC parameter in the estuary area. Moreover, TDS plays an important role in regulating EC levels, underscoring the need to systematically measure this parameter in any estuarine water-quality study.
Co-Authors Adella Ulyandana Jayarti Adella Ulyandana Jayatri Adi Susilo Agus Naba Agus Wahid Ahmad Rifaldi Arahman Al Fatari, Hotinul Alhadi, Kasnawi Andini, Mira Anggriani, Ni Ketut Arif Budianto Arif Budiarto Ayu Mona Erisa Marpaung Budianto, Ari Deska Yolantari Dian Wijaya Kurniawidi Dieni Haryati Utami Elinda, Baiq Ulfa Putri Fajarica, Shinta Desiyana Fajriah, Baiq Nurul Fajriyah, Putri Arifatul Fidya, Karina Alma Hadi, Kasnawi Al Halil Akhyar Hasanah, Khofizzatul Hiden Hiden Hurnah Ika Umratul Asni Aminy Kasnawi Al Hadi Kormil Saputra Kurniawidi, Dian Wijaya Laili Mardiana Lalu Sahrul Hudha Lestari, Sintya Dewi Marzuki Marzuki Moh. Bahtiar Muhamad Ali Muhammad Jarul Rozki Nela Ranita Amanda Nurfadilah Nurfadilah Nurfadilah Pranahita, Dewa Dwi Rahmatullah, Ovan Rahmatun Inayah Ramadian Ridho Illahi Rima Yudiana Rubi'ah, Siti Satriawan Satriawan, Satriawan Siti Azizah Suhayat Minardi Suhayat Minardi Suhayat Minardi Suhayat Minardi Sukrisna, Bakti Susi Rahayu Syamsuddin Syamsuddin Syamsuddin Teguh Ardianto Teguh Ardianto Teguh Ardianto, Teguh Teguh Rifandi Wardi, Palaivia Harman Wijaya, Roviq Wirawan, Rahadi Zulfatiha, Septhia Salwa Zyiadatun Adawiah