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All Journal JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Journal of Artha Biological Engineering
Pardiyanto, Eko
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Environmental Science Medicine & Pharmacology Physics

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Senior high school students’ understanding of Newton’s laws in outer space: Identification of misconceptions Winarti, Winarti; Pardiyanto, Eko; Kurnianto, Fajar
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 10 No 2 (2021): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v10i2.8997

Abstract

One of the most frequently observed explanations in misconceptions is conceptual understanding. This research aimed to determine the senior high school students’ conceptual understanding of Newton’s laws in outer space. The researchers assumed that the research results would be rich in variation by elaborating the item questions based on the precise step of Digital Story Conceptual Change-Oriented as a learning medium.  The researchers researched State Senior High School 5 Yogyakarta. The participants of this study consisted of 91 students. The applied instruments were fifteen two-tier multiple-choice items. The researchers also used a non-test instrument, namely an interview sheet. The researchers found related misconceptions in Newton’s law in outer space during the research. It was found that 30% of students experienced misconceptions. The results are important for the learning process that through identification, teachers could use strategy to explain the materials.
Rapid Detection of the Aeromonas sp. group using Conventional PCR at the Aquaculture Technology Development Center, Cangkringan, Sleman, Special Region of Yogyakarta Nurhafid, Mohammad; Astuti; Riady, Reza Muhammad; Ufianah; Pardiyanto, Eko; Ruanda, Faldo Ody
Journal Of Artha Biological Engineering Vol. 1 No. 1 (2023)
Publisher : PT. Artha GenetikaLab Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62521/c8cxaf15

Abstract

The catfish is a freshwater cultivated fish that can be found all over Indonesia. However, the problems that occur in general are usually attacks by pathogens from the Aeromonas sp group. This research aims to optimize the rapid detection of the Aeromonas sp group using PCR at the Aquaculture Technology Development Center, Cangkringan, Sleman, special region of Yogyakarta. The research was conducted by survey with purposive sampling. Isolation was carried out using two growth media, namely Tryptone Soy Agar (TSA) and Glutamate Starch Phenile (GSP). Colonies that had characteristics of the Aeromonas sp group were subjected to PCR amplification using specific primers for the Aeromonas sp group. The results of the amplification resulted in DNA that matched the target, namely 953bp, which showed that the sample belonged to the Aeromonas sp group. Based on this technique, the level of accuracy in detecting pathogens is higher than conventional methods.
Co-Authors Astuti Fajar Kurnianto Nurhafid, Mohammad Riady, Reza Muhammad Ruanda, Faldo Ody Ufianah Winarti Winarti