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All Journal Jurnal Riset Biologi dan Aplikasinya AHKAM : Jurnal Hukum Islam dan Humaniora
Yuliati, Netri
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Social Sciences

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Analisis Faktor Penyebab Terjadinya Miopia pada Mahasiswa Fisika Angkatan 2020 Universitas Negeri Padang Yuliati, Netri; Atifah, Yusni
AHKAM Vol 3 No 1 (2024): MARET
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ahkam.v3i1.2652

Abstract

The organ of sight plays a central role in acquiring necessary information, enabling us to carry out various daily activities normally. The eyes can experience refractive errors, one of which is nearsightedness or myopia. Myopia is a refractive eye disorder with a high prevalence worldwide. There are various factors that can influence the development of myopia. One highly influential factor is the habit of reading and writing at too close a distance. Additionally, other factors include a history of exposure to light from computers or gadgets, age, type of pregnancy, birth history, nutritional status, deficiency of vitamins A and D, as well as genetic factors or family history. This study aims to determine the factors causing myopia among physics students of the 2020 intake at Padang State University. This research employs a descriptive qualitative research method and was conducted in December 2023. Research findings show that the highest percentage of individuals unaware of distant objects' presence is 70%, while 20% are aware, and 10% occasionally notice distant objects. The highest percentage of smartphone usage duration is 100%, with usage exceeding 5 hours, while 0% use it for less than 5 hours. Regarding smartphone lighting, 50% prefer bright illumination, 30% opt for moderate brightness, and 20% prefer dim lighting.
Protective Effects of Apple Peel Extract (Malus sylvestris Mill.) on the Sperm Quality and Testicular Histology in Mice Borax-Induced Atifah, Yusni; Adinda, Diva; Yuliati, Netri
Jurnal Riset Biologi dan Aplikasinya Vol. 7 No. 1 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrba.v7n1.p20-30

Abstract

Borax, a toxic material, can disrupt the testes, hypothalamus, and spermatogenesis in the male reproductive system, leading to infertility. Apple peel contains quercetin, a substance crucial for boosting antioxidant levels and preventing free radical damage. The study aimed to assess the impact of apple peel extract on spermatozoa quality and testicular histology in borax-induced mice. The study utilized a Complete Randomized Design (CRD) with five treatment groups and five replications of each group: C- (without treatment), C+ (Borax), T1, T2, and T3, where borax was administered alongside various doses of apple peel extract: 0,2 mg, 0,4 mg, and 0,8 mg respectively. Testicular sections were collected for histopathological analysis and caudal epididymal sections for sperm quality assessment. Data were analyzed using ANOVA and DMRT tests using SPSS 23. The results showed that apple peel extract significantly increased the quality of mice spermatozoa in borax-induced mice (p<0.05). Apple peel extract to borax-induced mice also positively affected testicular diameter and weight, as well as the diameter of the seminiferous tubules and the number of Leydig cells. The optimal dose of apple peel extract in improving the quality of spermatozoa and testicular histology of mice was found to be0.4 mg / 20g BW.
Co-Authors Adinda, Diva Atifah, Yusni