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All Journal EKSAKTA: Journal of Sciences and Data Analysis Jurnal Sains dan Teknologi Jurnal Bakti Nusantara Journal of Chemistry Sciences and Education
Prisca Caesa Moneteringtyas
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary Other

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A Review of Maghemite Nanoparticles as Environmental Sensors Imas Masriah; Devi Lestari; Prisca Caesa Moneteringtyas; Siti Mahmudha; Sulwiyatul Kamariyah Sani
INSOLOGI: Jurnal Sains dan Teknologi Vol. 4 No. 3 (2025): Juni 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v4i3.5354

Abstract

The increasing urgency to monitor and mitigate environmental pollution has driven significant interest in the development of advanced sensing technologies. Nanotechnology presents promising solutions through the application of nanoscale materials, among which maghemite nanoparticles (γ-Fe2O3) have garnered considerable attention due to their unique physicochemical properties, high chemical stability, a large specific surface area, and superparamagnetic behavior, making them suitable for separation, target deployment, and sensor regeneration. It functionalized maghemite nanoparticles to enhance their selectivity toward specific pollutants, including heavy metals ( e.g., Pb2+ and Cd2+) and toxic gases (e.g., NO, NH3, and H2S). These articles present a review of the structural and physicochemical characteristics of maghemite nanoparticles, including commonly applied synthesis methods, sensor mechanism, and their applications in pollutant detection, such as heavy metals and toxic gases. The review also highlights current challenges and outlines future directions for the development of more efficient, affordable, and sustainable maghemite-based sensors for next-generation environmental monitoring systems.
Upaya Peningkatan Literasi Bahan Tambahan Pangan dalam Jajanan Kemasan melalui Sosialisasi Interaktif Hasibuan, Adelia Yesya Putri; Moneteringtyas, Prisca Caesa; Tarigan, Ayu Syufiatun Br; Rahmat, Nahzim
Jurnal Bakti Nusantara Vol. 2 No. 3 (2025): Jurnal Bakti Nusantara
Publisher : Pustaka Media Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63763/jbn.v2i3.92

Abstract

Rendahnya kesadaran masyarakat terhadap bahan tambahan pangan dan zat kimia dalam jajanan kemasan dapat menimbulkan risiko kesehatan, khususnya di kalangan anak-anak dan orang tua di wilayah pedesaan. Program pengabdian kepada masyarakat ini bertujuan untuk meningkatkan literasi kimia pangan melalui kegiatan sosialisasi edukatif yang interaktif. Kegiatan ini dilaksanakan di Desa Bagan Serdang, Kecamatan Pantai Labu, Kabupaten Deli Serdang, Provinsi Sumatera Utara. Dengan menggunakan pendekatan riset tindakan, dilakukan tes awal dan tes akhir untuk mengevaluasi efektivitas intervensi. Hasil evaluasi menunjukkan adanya peningkatan signifikan dalam tingkat pengetahuan peserta, di mana hampir seluruh peserta memperoleh skor tertinggi pada tes akhir. Tingkat pemahaman tinggi dapat dilihat pada tes akhir yang mencapai 100% yaitu terdapat pada soal nomor 1, 2, 4, 5, 7, dan 9, sedangkan yang tidak mencapai 100%, hanya terdapat pada soal nomor 3 (86,70%), nomor 6 (73,33%), nomor 8 (80%), dan nomor 10 (93,30%). Sosialisasi interaktif telah berhasil meningkatkan pemahaman mitra tentang bahan tambahan pangan dalam jajanan kemasan.
Reevaluasi Miskonsepsi Struktur Atom Dan Partikel Subatom Serta Implikasinya Terhadap Pemahaman Ilmiah: Studi Literatur Moneteringtyas, Prisca Caesa; Meidita Kemala Sari; Inten Pangestika; Dini Novi Rohmah; Imas Masriah
Journal of Chemistry Sciences and Education Vol 2 No 01 (2025): Journal of Chemistry Sciences and Education
Publisher : PT. Pubsains Nur Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69606/jcse.v2i01.229

Abstract

Misconceptions about atomic structure and subatomic particles are a systemic issue in chemistry education, hindering the understanding of advanced concepts and limiting critical thinking. This study aims to identify common misconceptions, explore their root causes, and propose effective corrective strategies. A literature review of 20 peer-reviewed articles was conducted using thematic analysis across three main focuses. Findings reveal that deterministic views of the Bohr model, confusion over technical terms, and misinterpretation of symbolic representations are the most prevalent misconceptions. These stem from unadaptive teaching methods, cognitive limitations, and misleading visuals. Effective remedies include cognitive conflict, dynamic visualizations, and historical-metacognitive approaches to support conceptual change and deepen scientific understanding.
Characterization and Application of Greener-Activated Coal Fly Ash for Phosphate Adsorption in Donan River Water Samples Rohmah, Dini Novi; Nur Mas'udah, Aldina Khoerunnisa; Sudariasri, Vida Zenitha; Boikh, Mesakh Trywira Wibowo; Moneteringtyas, Prisca Caesa
EKSAKTA: Journal of Sciences and Data Analysis VOLUME 6, ISSUE 2, October 2025
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/EKSAKTA.vol6.iss2.art9

Abstract

The Karangkandri PLTU (Steam Power Plant) Industry in Cilacap is one of the large industries in the Cilacap industrial area, which has abundant coal-burning waste in the form of fly ash. The excess fly ash from PLTU Karangkandri can be used for the adsorption of polluted phosphate ions in the Donan River. The aim of this research is to determine the characterization of fly ash as an adsorbent using FTIR (Fourier Transform Infra-Red), XRD (X-Ray Diffraction), and XRF (X-Ray Fluorescence) instruments and its ability to adsorb phosphate ions in a polluted water sample. The first stage of this research was to take water samples from the Donan River at the 3 most polluted points. The second stage was to activate fly ash using wet grinding and hydrothermal methods as well as characterization of fly ash using FTIR, XRD, and XRF instruments. Then the effectiveness of the fly ash adsorbent in adsorbing phosphate ion was tested by using the spectrometric method. The analysis was carried out with the influence of mass variations in the adsorbent of 50, 100, 150, and 200 grams per 500 ml of water sample. This research found that activated fly ash by greener activation can removed 82,8% phosphate ion with 0,5g fly ash, remove 72.4% phosphate ion with 1 gram fly ash, removed 77.6% phosphate ion with 2 grams of fly ash. And the best one is 5 grams of fly ash can remove 93.2% phosphate ion.
Co-Authors Ayu Syufiatun Tarigan Boikh, Mesakh Trywira Wibowo Devi Lestari Dini Novi Rohmah Hasibuan, Adelia Yesya Putri Imas Masriah Inten Pangestika Meidita Kemala Sari Nur Mas'udah, Aldina Khoerunnisa Rahmat, Nahzim Siti Mahmudha Sudariasri, Vida Zenitha Sulwiyatul K Sani