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Intan Zahar
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Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Social Sciences Other

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ANALISIS KESEGARAN JAMUR TIRAM PUTIH (Pleurotus ostreatus) PADA PERLAKUAN TEKNOLOGI OZON Syafrizal Hasibuan; Intan Zahar; Sri Susanti Ningsih
Agros Journal of Agriculture Science Vol 25, No 4 (2023): edisi Oktober
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v25i4.3626

Abstract

White oyster mushrooms (Pleurotus ostreatus) have nutritional content, are high in protein and low in fat. Oyster mushroom storage depends on physical factors such as temperature, humidity, light, pH of the growing medium, and air. Fresh harvested mushrooms contain a fairly high water content, making it easy for the mushrooms to rot quickly and not last long. This research was structured based on a factorial randomized block design (RAK) with 3 replications. Ozone is flowed to the mushrooms with varying concentrations of 0 ppm and 150 ppm within 10 minutes, 20 minutes and 30 minutes. The results of the research show that administering ozone at a concentration of 150 ppm for 30 minutes can break down the H2O molecule so that the metabolic process is hampered or even stopped so that the water content in the mushrooms is reduced and can reduce the activity of microorganisms in the mushrooms so that the mushrooms can survive for 6 days after harvest in this condition. fresh. Key-words: White Oyster Mushroom (Pleurotus Ostreatus), Ozone, Plasma Technology INTISARIJamur tiram putih (Pleurotus ostreatus) memiliki kandungan nutrisi, tinggi protein, dan rendah lemak.  Penyimpanan jamur tiram tergantung pada faktor fisik seperti suhu, kelembaban, cahaya, pH media tanam, dan udara. Jamur segar hasil panen mengandung kadar air yang cukup tinggi sehingga memudahkan jamur cepat busuk dan tidak dapat bertahan lama. Penelitian ini dilakukan berdasarkan Rancangan Acak Kelompok (RAK) Faktorial dengan 3 ulangan. Ozon dialiri ke jamur dengan variasi kosentrasi 0 ppm dan 150 ppm dalam waktu 10 menit, 20 menit dan 30 menit. Hasil penelitian menunjukkan bahwa pemberian Ozon dengan konsentrasi  150 ppm selama 30 menit dapat memecahkan molekul H2O sehingga proses metabolisme menjadi terhambat bahkan berhenti karena kadar air pada jamur menjadi lebih berkurang dan dapat mengurangi kegiatan mikroorganisme pada jamur sehingga jamur dapat bertahan selama 6 hari setelah panen dalam keadaan segar.  Kata kunci: Jamur Tiram Putih (Pleurotus Ostreatus), Ozone, Teknologi Plasma 
Implementasi Teknologi Ozon Untuk Meningkatkan Lama Waktu Simpan Ikan Kembung Di Desa Air Genting Dian Puspitasari; Intan Zahar; Endriyaman Zai; Riusman Hura; Riska Hariyani
Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Vol 7, No 2 (2024): April 2024
Publisher : STMIK Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurdimas.v7i2.2955

Abstract

Mackerel (Rastrelliger sp.) is a type of marine fish widely consumed. Several factors influencing it include affordable prices, delicious taste, and the ability to be processed into various dishes. However, mackerel fish has a weakness: it quickly declines in quality if not managed properly. In the face of increasing demand, it is crucial to meet the need for fish with an optimal level of freshness. Methods have been used to maintain the freshness of fish, such as salting, freezing, and using plant ingredients. However, the use of natural ingredients from plants often has a low shelf life and can cause a decrease in fish quality. The method used in community service activities in Air Genting village is counselling. Counselling is carried out through the delivery of material, discussions (in the form of questions and answers), and explanations about tools capable of producing ozone. This activity aims to inform the public about technology with the ozone system. This technology can increase the shelf life of mackerel and keep the quality of the fish good and still suitable for consumption.            Keywords: fish; curing; ozone
PENERAPAN APLIKASI ARCGIS PADA KONTUR DAERAH ALIRAN SUNGAI SILAU DALAM PENGGUNAAN LAHAN DI KOTA KISARAN Kiki Kurnia Roseka; Muhammad Irwansyah; Intan Zahar
Jurnal Bidang Aplikasi Teknik Sipil dan Sains (BATAS) Vol. 4 No. 2 (2025): MEI 2025
Publisher : Universitas Asahan

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Abstract

Silau River is a river that flows for 13.3 kilometers across Kisaran City, Asahan Regency. The rapid development of Kisaran City as the district capital has caused many land conversions around the Silau River Watershed. The large number of land conversions causes environmental damage to rivers. This research aims to determine the development of width, depth and scour that occurs around the river basin. Applying contour maps to river basins will reveal the area of ​​buildings and plantations that are being converted into land use. Contour maps can be built in the ArcGis application version 10.3. With the ArcGis 10.3 application, you will get the area that is being converted into land. The treatment carried out is controlling and normalizing areas that have changed function and replanting protected plants around river banks
Implementasi Teknologi Ozonasi untuk Meningkatkan Kelulushidupan Ikan pada Kelompok Perikanan Harapan Baru Desa Manemeng Sumbawa Barat Puryadi, Puryadi; A. Rahman; Arisman; Intan Zahar
Jurnal Pengabdian Magister Pendidikan IPA Vol 8 No 3 (2025): Juli-September 2025
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v8i3.12917

Abstract

Kelompok Budidaya Ikan (Pokdakan) Harapan Baru di Desa Manemeng, Sumbawa Barat, menghadapi kendala tingginya mortalitas benih akibat kualitas air yang rendah dan serangan jamur. Program Pengabdian kepada Masyarakat (PKM) ini bertujuan memperkenalkan teknologi ozonisasi untuk memperbaiki kualitas air dan meningkatkan kelulushidupan ikan. Kegiatan meliputi sosialisasi, pelatihan penggunaan alat ozonisasi, serta bimbingan teknis uji kualitas air yang diikuti oleh 23 peserta. Evaluasi dilakukan melalui studi komparatif antara kolam bioflok dengan perlakuan ozon dan kolam kontrol. Hasil menunjukkan bahwa penerapan teknologi ozon menurunkan mortalitas ikan dari 36% menjadi 28%, meningkatkan oksigen terlarut (DO) dari 3,8 menjadi 4,6 mg/L, serta menurunkan konsentrasi amonia dari 1,0 menjadi 0,65 mg/L. Suhu (27 °C) dan pH (7,9–8,2) berada pada kisaran ideal, namun nitrat (25 mg/L) dan fosfat (1 mg/L) masih melebihi standar baku mutu sehingga memerlukan pengelolaan tambahan. Secara keseluruhan, teknologi ozonisasi terbukti efektif memperbaiki kualitas air, menekan kematian ikan, dan mendukung produktivitas budidaya, meskipun masih dibutuhkan strategi lanjutan untuk mengendalikan akumulasi nitrat dan fosfat.
Seminar dan Pelatihan Arduino Berbasis Proyek Virtual Menggunakan Proteus sebagai Upaya Peningkatan Literasi Teknologi di SMK Negeri 1 Tanjung Tiram : Penelitian Intan Zahar; Moraida Hasanah; Fynnisa Z; Derliana Hasibuan; Siti Ramadani; Dilla Atika Sury; Laura gusti Ayunda; Ali Usman; Sadun
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 1 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 1 (Juli 2025 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i1.2837

Abstract

The development of digital technology in the Industrial Revolution 4.0 era requires vocational high school students to have strong technological literacy (Budiman & Ramdhani, 2022). However, limited hardware is a barrier, especially in the practice of Arduino microcontrollers (Lestari & Putra, 2020). This study aims to improve students' technological literacy through seminars and simulation training using Proteus software. A qualitative descriptive method was applied to 40 students majoring in Computer Engineering (TKJ) and Electronics at SMK Negeri 1 Tanjung Tiram. Activities included a basic Arduino seminar, simulation training on an Arduino Uno project using the HC-SR04 ultrasonic sensor, and evaluation through observation, tests, and questionnaires. The results showed that students were able to understand input-output, write simple code, and design virtual circuits (Santoso et al., 2023). They also experienced improvements in analysis, problem-solving, and learning motivation. The majority of participants considered the simulation easier to understand and encouraged interest in innovation (Karim & Yuliana, 2023). Thus, the use of Proteus effectively improves students' understanding and skills, while also being a solution to the limited practical facilities in vocational schools (Yusuf & Anwar, 2024).
Pembelajaran Kosakata Bahasa Inggris tentang Jenis-Jenis Pekerjaan di Kelas III SD Tri Bakti Medan Marelan Derliana Hasibuan; Dharyana Suryadijaya; Harry Sambayu; Moraida Hasanah; Intan Zahar; Fynnisa Z; Simon Petrus Hamonangan Simorangkir; Junaidi Siahaan
Indonesia Berdampak: Jurnal Pengabdian kepada Masyarakat Vol. 1 No. 2 (2025): JULI-DESEMBER
Publisher : Indo Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/e4nctf57

Abstract

Pembelajaran kosakata Bahasa Inggris di tingkat sekolah dasar merupakan kegiatan yang menyenangkan sekaligus menantang. Program pengabdian masyarakat ini bertujuan untuk mendeskripsikan kemampuan siswa dalam menguasai kosakata melalui pendekatan pembelajaran kreatif. Metode yang digunakan adalah deskriptif kualitatif dengan teknik pengumpulan data berupa observasi, wawancara, dan dokumentasi. Hasil menunjukkan bahwa program ini mampu meningkatkan keterlibatan siswa, memperkuat daya ingat kosakata, dan mendorong partisipasi aktif di kelas. Guru juga dapat menciptakan suasana belajar yang lebih dinamis dan interaktif meskipun terdapat keterbatasan sarana. Dengan demikian, pembelajaran kosakata dapat dijadikan strategi efektif untuk meningkatkan kualitas pembelajaran Bahasa Inggris yang menyenangkan di sekolah dasar
Co-Authors A. Rahman Ali Usman Arisman Derliana Hasibuan Dharyana Suryadijaya Dian Puspitasari Dilla Atika Sury Endriyaman Zai Fynnisa Z Harry Sambayu Junaidi Siahaan Kiki Kurnia Roseka Laura Gusti Ayunda Moraida Hasanah Muhammad Irwansyah Puryadi Puryadi Riska Hariyani Riusman Hura Sadun Simon Petrus Hamonangan Simorangkir Siti Ramadani Sri Susanti Ningsih Syafrizal Hasibuan