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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar JIFP (Jurnal Ilmu Fisika dan Pembelajarannya)
Siti Hindun Hindiyati
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Education Physics Other

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Kejut Listrik Potensi Penggunaan Teknologi Kejut Listrik PEF (Pulsed Electric Field) Terhadap Ketahanan Pangan Siti Hindun Hindiyati
Jurnal Ilmu Fisika dan Pembelajarannya (JIFP) Vol 6 No 1 (2022): Jurnal Ilmu Fisika dan Pembelajarannya (JIFP)
Publisher : Program Studi Pendidikan Fisika, UIN Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (216.093 KB) | DOI: 10.19109/jifp.v6i1.12601

Abstract

Teknologi kejut listrik Pulsed Electric Field merupakan salah satu pengawetan non-thermal yang digunakan dalam penelitian ketahanan pangan. Artikel ini bertujuan untuk mengkaji potensi penggunaan teknologi kejut listrik PEF terhadap ketahanan pangan. Metode penelitian ini menggunakan article Review, dengan jumlah 30 artikel hasil penelitian yang relevan mulai dari Tahun 2010 sampai 2022. Indicator ketahanan pangan yang akan dianalisis adalah kualitas fisik, nutrisi serta pengurangan mikroba. Hasil penelitian menunjukkan bahwa 5% PEF dapat mengurangi nutrisi yang dikandung dalam makanan. tersebut. Namun, 95% lebih banyak sangat signifikan PEF dapat mengurangi pertumbuhan mikroba. Hasil penelitian melaporkan bahwa PEF dengan tegangan 35-45kV dapat menurunkan total mikroba 80-90% dan warna 2,43% sehingga perlakuan tersebut dapat mempertahankan kualitas fisik. Diharapkan dengan adanya penelitian ini dapat menjadi sebuah inovasi dalam mengolah pangan secara non-thermal sehingga dapat mempertahankan kualitas aroma warna dan rasa dengan waktu yang lebih lama.
Jantung, Medan magnet, Kesehatan KORELASI MASSA TUBUH TERHADAP DETAK JANTUNG PADA MENCIT BALB-C YANG DIPAPAR MEDAN MAGNET EXTREMELY LOW FREQUENCY (ELF) INTENSITAS 100 µT Siti Hindun Hindiyati
Jurnal Ilmu Fisika dan Pembelajarannya (JIFP) Vol 7 No 1 (2023): JIFP (Jurnal Ilmu Fisika dan Pembelajarannya)
Publisher : Program Studi Pendidikan Fisika, UIN Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/jifp.v7i1.12658

Abstract

Exposure to an Extremely Low Frequency (ELF) magnetic field with an intensity of 100 µT has been set as a threshold value for health effects, but it still needs to be studied for its biological impact, especially on the function of the heart organ. This study aims to examine "The Correlation of Body Mass to Heart Rate of Balb-C Mice Exposed to an Extremely Low Frequency (ELF) Magnetic Field of 100 µT Intensity". This study used a True Design Experiment with a completely randomized design (CRD), by subjecting Balb/C mice to an ELF magnetic field intensity of 100 µT intermittently for 2 hours/day for 15 days and 30 days. A sample of 21 Balb/c mice was divided into 3 groups, the control group, and 2 groups exposed to an ELF magnetic field of 100 µT intermittently 2 hours/day for 15 days and 30 days. The variables measured in this study were body weight and heart rate per second. Weight measurements were carried out using a digital balance with an accuracy of 0.00gr with 3 measurements accompanied by 3 observers while heart rate measurements were carried out by manually counting using the human senses assisted by using a stopwatch as a timer for 5 minutes each. The data from this study were analyzed using correlation statistical analysis using SPSS 23 software. The results showed that the ELF magnetic field intensity of 100 µT on the 30th day had higher body mass and heart rate than the control group. This is because the intensity of 100 µT causes excessive muscle work in the hearts of Balb-C mice
PENGEMBANGAN MEDIA INTERAKTIF POP UP BOX UNTUK PEMBELAJARAN FISIKA PADA MATERI TEORI MODEL ATOM SISWA SMA Widari Kusuma; Gita Maria Sihombing; Eza Bintang Ramadhan; Siti Hindun Hindiyati; Lailatul Nur Aini; Bambang Supriadi
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 8 No. 2 (2023): Volume 08 No 02, September 2023
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v8i2.9948

Abstract

Physics is one of the subjects at the junior to senior high school level which is relatively difficult. Although difficult, learning physics is often associated with natural phenomena and everyday life. The role of the teacher in learning is very important as a facilitator for students. Learning can achieve its goals well if the teacher has a strategy and prepares a good and effective learning plan. However, in reality, there are still many students who have minimal abstract thinking skills and experience misconceptions so learning does not reach its goals. This is due to limited learning media, lack of teacher innovation, and teachers being only focused on worksheets and textbooks. Thus, interactive learning media is needed to build student enthusiasm for learning. Pop-Up Box media is interactive media by containing material that is packaged attractively so that it can solve problems during physics learning. The purpose of this study is to test the feasibility and attractiveness of Pop Up Box media. The method used in research is Research and Development or RnD and uses the Analysis, Design, Development, Implementation, and Evaluation models. The results of this study indicate that the response of the experts and students to the validation results obtained was 80% for the material expert's validation response and 90% for the student's validation response. So pop up box media is feasible and very useful as a medium for learning atomic theory.
Co-Authors Bambang Supriadi Eza Bintang Ramadhan Gita Maria Sihombing Lailatul Nur Aini Widari Kusuma