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All Journal Media Kedokteran Hewan Inovasi Fisika Indonesia (IFI)
Prasetyo, Dhenatra Rifqy
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Earth & Planetary Sciences Electrical & Electronics Engineering Materials Science & Nanotechnology Medicine & Pharmacology Physics Veterinary

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PENGARUH VARIASI DAYA DAN LAMA PAPARAN IRRADIASI LASER DIODE TERHADAP PEFORMA PERTUMBUHAN CASSAVA: Kata Kunci: Cassava, Fotobiostimulasi, Laser Dioda, Manihot Esculenta Prasetyo, Dhenatra Rifqy; Putri, Nugrahani Primary; Firdaus, Rohim Aminullah; Ula, Rini Khamimatul
Inovasi Fisika Indonesia Vol. 13 No. 1 (2024): Vol 13 No 1
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v13n1.p1-6

Abstract

Irradiasi laser adalah teknologi yang inovatif dan dapat diterapkan dalam bidang bioteknologi. Dengan menggunakan sinar laser yang terfokus, intens dan pada paparan waktu tertentu, teknologi ini memungkinkan dapat menstimulasi perkembangan dan pertumbuhan dari tanaman. Penelitian ini bertujuan untuk menganalisis hasil dan mendeskripsikan hasil dari pengaruh irradiasi laser terhadap pertumbuhan. Irradiasi laser diberikan kepada sampel dengan variasi daya 1mW, 4mW, 6mW, dan 10mW, serta lama waktu paparan 30s, 40s, 50s, 60s, 70s, 80s, dan 90s. Hasil peforma pertumbuhan Cassava pada sampel D1T70 menunjukkan hasil yang cukup signifikan dibandingkan dengan kontrol yang ada, dengan menunjukkan tinggi batang akhir 65mm pada periode tanam selama 1 bulan. Kata Kunci: Cassava, Fotobiostimulasi, Laser Dioda, Manihot Esculenta Abstract Laser irradiation is an innovative technology and can be applied in the field of biotechnology. By using laser beams that are focused, intense and at a certain time exposure, this technology makes it possible to stimulate the development and growth of plants. This study aims to analyze the results and describe the results of the effect of laser irradiation on growth. Laser irradiation was given to samples with various power of 1mW, 4mW, 6mW, and 10mW, and exposure times of 30s, 40s, 50s, 60s, 70s, 80s, and 90s. The results of Cassava growth performance in the D1T70 sample showed significant results compared to the existing control, showing a final stem height of 65mm in a planting period of 1 month. Keywords: Cassava, Photobiostimulation, Laser Diode, Manihot Esculenta
Exploration of the Antibacterial Potential from Rice Eel Skin Mucus (Monopterus albus) Against Bacteria Aeromonas hydrophila, Escherichia coli, and Staphylococcus aureus Praja, Ratih Novita; Yudhana, Aditya; Handijatno, Didik; Al-Madinah, Wardatul Qoryah; Hamonangan, Jonathan Mark; Insani, Alivia Khairina; Prameswari, Nindya Pradnya; Prasetyo, Dhenatra Rifqy; Praja, Shifa Salsabilla
Media Kedokteran Hewan Vol. 35 No. 3 (2024): Media Kedokteran Hewan
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mkh.v35i3.2024.197-205

Abstract

The skin mucus of the rice eel (Monopterus albus) contains various antibacterial compounds and has the potential as a synthetic antibiotic. This research was conducted to explore the potential antibacterial power of the rice eel skin mucus against some pathogenic bacteria in freshwater fish. The bacteria were isolated from five samples of rice eel cultivation ponds belonging to Mr. Sabwan and then challenged with the mucus of the eel's skin through diffusion tests using paper discs. The rice eel skin mucus tested its antibacterial activity against three species of freshwater bacteria, Aeromonas hydrophila, Escherichia coli, and Staphylococcus aureus, by testing sensitivity and inhibitory zones. The inhibitory zones of each bacterium were measured using Vernier caliper which refers to the standardization of the inhibitory zone: < 4 mm no activity, 5-9 mm weak, 10- 14 mm medium, and > 15 mm strong. Test results showed that the eels' skin mucus could inhibit the growth of bacteria Aeromonas hydrophila, Escherichia coli, and Staphylococcus aureus.
Co-Authors Al-Madinah, Wardatul Qoryah Didik Handijatno Firdaus, Rohim Aminullah Hamonangan, Jonathan Mark Insani, Alivia Khairina Nugrahani Primary Putri Praja, Ratih Novita Praja, Shifa Salsabilla Prameswari, Nindya Pradnya Ula, Rini Khamimatul Yudhana, Aditya