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Ardiansyah Ardiansyah Ardiansyah
Biology Education Department, STKIP Al-Amin Dompu
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Other

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Journal : Jurnal Pijar MIPA

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The effect of black rice (Oryza sativa L. Indica) extract to increase estrogen hormone on pre-menopause of female white rats (Rattus norvegicus) Ardiansyah Ardianyah; Mahrun Mahrun
Jurnal Pijar Mipa Vol. 17 No. 1 (2022): January 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (237.329 KB) | DOI: 10.29303/jpm.v17i1.2467

Abstract

The study aimed to determine the estrogenic activity of extracting ethanol from black rice (Oryza Sativa L. Indica) in pre-menopausal female white rats (Rattus norvegicus). Adaptation was carried out on 20 female rats (Rattus norvegicus) experimental rats for one week with a body weight of about 200-250 g. After one week, the experimental rats were divided into five treatment groups, with each group consisting of 4 rats. The positive control group (P1) was given Ethinyl estradiol orally at a dose of 9×10-3 mg/ 200g BB in CMC-Na 1% as much as 3 mL. The negative control group (P2) was given orally CMC-Na 1% / 200g BW as 3 mL. Test Group I (P3) were given orally an extract of Black Glutinous Rice mixed with ethanolic basil leaves 96% with a dose equivalent to 1 mL of thick extract in an amount of 0.8g/200g BW in 1% CMC-Na as much as 3 mL. Test Group II (P4) was given an extract of the ethanol substance in Black Rice with a dose equivalent to 2 mL of thick extract in 1.6g/200g BW in 3 mL of 1% CMC-Na orally. Test Group III (P5) was given orally Black Glutinous Rice in a dose equivalent to 4 mL of thick extract in 3.2g/200g BB in CMC-Na 1% as much as 3 mL. The treatments were carried out orally for one estrous cycle begins during the estrus phase. Uniformity during the estrus phase was carried out using the Whitten-Method Effect. It aims to observe changes in the vagina to determine the estrus cycle by placing the male rat cage on top of the female rat cage. Conclusions from the results of this study show that the Black Glutinous Rice (Oryza Sativa L. Indica) extract treatment can increase the estrogenic activity of white rats pre-menopausal females (Rattus norvegicus). A 0.8g/200g BW dose can prolong the estrus cycle and increase vascularity and ovarian weight compared to the negative control (CMC-Na1%). The treatment with the lowest concentration was equivalent to the positive control of Ethinyl estradiol (9x10-3mg/200g BW). This test indicates that giving 96% ethanol extract of Black Glutinous Rice causes an increase in the hormone estrogen in the estrus phase, which tends to prolong the estrus cycle.
Development of constructivism-based physics tools to build generic science skills for high school students Ardiansyah Ardianyah
Jurnal Pijar Mipa Vol. 18 No. 3 (2023): May 2023
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v18i3.4660

Abstract

This research and development aim to develop constructivism-based physics teaching aids to build students' generic science skills on static fluid material. The research subjects chosen were class XI Senior High School 2 Kilo, semester I, studying static fluid material for the 2022/2023 academic year. The validation results for the development of constructivism-based physics teaching aids to build Generic Science Skills for high school students on static fluid material show an average score of 0.75 with a percentage of 22.43% for very good criteria, an average score of 2.75 with a percentage of 78.57% for good criteria. At the same time, the categories are sufficient, lacking, and very unfavorable, each with an average score of 0 with a percentage of 0.00%. It indicates that the validator assesses the aspect of the teaching aids as good. The development of constructivism-based physics teaching aids on static fluid material can build students' Generic Science Skills, shown in the N-Gain percentage of 70.65% with the high category. Students also responded positively to the development of constructivism-based teaching aids in building Generic Science Skills. It was indicated by the average student responding strongly agree 37.60% and giving a response of agree 44.00% while responding disagree 9.80%, strongly disagree 8.60%.
Co-Authors Mahrun Mahrun Mahrun Mahrun Mahrun Purnamansyah Purnamansyah