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Biota
Published by Universitas Islam Negeri Mataram
ISSN : 20863586     EISSN : 24608483     DOI : -
Core Subject : Health, Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Medicine & Pharmacology
Focus and Scope of Biota on Bioscience, includes: cell biology and genetics, biodiversity, ecology, physiology and biotechnology. Biota covers all life forms, including microbes, fungi, plants, virus, animal and human. Focus and Scope of Biota on Biology Education, includes: Experimental Research, Class Action Research, Qualitative Research, Quantitative Research, Model Learning Development, Media Learning Development, and Learning Evaluation.
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Articles 5 Documents
 1 
Search results for , issue "Vol 17 No 1 (2024)" : 5 Documents clear
Bioactivity Diversity (Antibacterial and Antioxidant) of Macroalgae in the Ekas Beach Area, Lombok Nurul Furqan, Baiq Repika; Yamin, Imam Syahputra; Umami, Sri Sofiati
Biota Vol 17 No 1 (2024)
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jb.v17i1.489

Abstract

Macroalgae in the southern coastal area of Lombok has not been explored much in terms of bioactivity. The aim of this research is to explore the usefulness of 9 types of macroalgae on Ekas Lombok beach by searching for their bioactivity capabilities, whether each macroalgae has no bioactivity at all, has antibacterial and antioxidant activity, only has antibacterial activity but no antioxidant activity or vice versa and whether there are macroalgae that even have anticancer activity. The method used in this research consists of several steps: Macroalgae Sampling, Morphological Analysis of Macroalgae Samples, Isolation of active compounds from macroalgae and Cytotoxic Test on Breast Cancer Cells in Vitro which consists of 3 tests: Culture and sub culture of MCF-7 Breast Cancer Cells, Cell Viability and Cytotoxicity Test with MTT and DNA Isolation of MCF-7 Breast Cancer Cells. The research results show that the macroalgae with the best antibacterial activity is the red macroalgae Acanthophora spicifera and the macroalgae with the best antioxidant activity is the green macroalgae Ulva reticulata.
Karakteristik Sel Punca Mesenkim yang Berasal dari Tali Pusat (Umbilical Cord Derived Mesenchymal Stem Cell/UCMSC) dari Macaca fascicularis dan Sekretomnya dalam Kondisi Hipoksia Dumingan, Alvian; Malik, Amarila; Rinendyaputri, Ratih; Utama, Hieronimus Adiyoga Nareswara; Sunarno, Sunarno; Purwaningtyas, Yoggi Ramadhani; Idrus, Hasta Handayani; Noverina, Rachmawati; Huda, Fathul; Faried, Ahmad
Biota Vol 17 No 1 (2024)
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jb.v17i1.492

Abstract

Mesenchymal Stem Cell (MSC) secretome has potential as a neuroprotective and neuroregenerative agent. It can have effects due to its paracrine factors, such as Brain Derived Neurotrophic Factor (BDNF) and Stromal-Cell Derived Factor-1 (SDF-1) which can be induced with hypoxia preconditioning. This compound may play a role in the treatment of neurological diseases. Stroke has become a neurological disease that contributes to high rates of mortality and morbidity worldwide. There have been several pre-clinical trials on animal stroke models using MSC secretomes from rats and humans, but no studies have been conducted on Non-Human Primate, such as Macaca fascicularis. This species has been widely used in biomedical research and part of it can be utilized for such studies which will reduce the cost of using human MSC. The results of this study, Umbilical Cord (UC)-MSCs of Macaca fascicularis have been successfully cultured and characterized in terms of phenotypic and differentiation. Hypoxia precondition was able to induce BDNF secretion up to 264 pg/mL and SDF-1 up to 666 pg/mL in the UCMSC secretome. Hypoxic preconditioning with 3% oxygen can induce the most optimal BDNF and SDF-1 secretion, compared to 1% and 5% hypoxia.
Comparison of Antioxidant Activity of Methanol Extract of Young and Old Leaves of Avocado (Persea americana Mill.) Pratiwi, Ambar; Agustina, Devanda Rahma; Febrianti, Novi; Eryati, Eri
Biota Vol 17 No 1 (2024)
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jb.v17i1.493

Abstract

Avocado plants (Persea americana Mill.) are widely grown in tropical and subtropical regions. Avocado leaves contain natural antioxidants for traditional medicine. This study aims to determine the total phenolic content, total flavonoids, and antioxidant activity values of young and old avocado leaves, and analyze the relationship between total phenol content and total flavonoids to the antioxidant activity value of avocado leaf methanol extract (Persea americana Mill.). The macerated avocado leaf extract was quantitatively tested for antioxidant activity using the DPPH method and the total phenolic and flavonoid contents were calculated using the Follin-Ciocalteu and Follin-Ciocalteu methods, respectively.The results showed that the highest total phenolic content of old avocado leaves was 1.682,27mg GAE/100g dry weight. The highest total flavonoid content of avocado old leaves was 3.858,96mg QE/100g dry weight. Antioxidant activity of methanol extract of young avocado leaves has a value of IC50 321.32 ± 80.43 ppm and avocado old leaves amounted to 288.54 ± 33.06 ppm. Total flavonoid content was more influential on antioxidant activity, with a correlation coefficient of 0.856
The Effect of Using E-modules in Biology Learning on Learning Outcomes of High School and University Students: Meta-Analysis Arifin, Nurfadila; Effendi, M. Harja; Purwati, Nining
Biota Vol 17 No 1 (2024)
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jb.v17i1.498

Abstract

This study aims to determine the effect size (ES) of the application of e-modules in biology learning on student's learning outcomes. This study uses the type of meta-analysis research. The research sample consisted of 14 articles sourced from the results of article identification through Google Scholar and Eric. The research data were collected based on the reference of inclusion and exclusion criteria. Data analysis was conducted by calculating the ES value using Cohen’s d formula. The results of data analysis showed that there were 14 articles divided into two levels of education, namely high school (9 articles) and university (5 articles) with a total average effect size score of 1,14 which means the effect size criteria are very large (VL). The ES average score for the high school level is 1,20 or very large (VL) ES average, while the ES average score for the university level is 1,02 or categorized as large (L) ES average. Therefore, it can be concluded that the effect size of the application of e-modules in biology learning has a significant impact on improving student learning outcomes.
Identification of Laboratory Management Systems at Senior High Schools In Mataram City Suyantri, Eni; Handayani, Baiq Sri; Lestari, Tri Ayu; Setiawan, Heru
Biota Vol 17 No 1 (2024)
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jb.v17i1.499

Abstract

The Laboratory for Biology serves an effective educational facility for learning of biology, where biology subject often requires lab activity. Proper management of the laboratory is a crucial aspect for the smooth execution of practical activites by both teachers and students. The objective of this research was to determine the biology laboratory management system at SMA Negeri 3 Mataram. This research is descriptive research using observation and interview methods. The data collected in two types, the primary data is observation questionnaire and the result of interview to the biology teachers of SMAN 3 Mataram. The development of the observation questionnaire for the standardization of biology laboratory refers to the National Education Minister’s Regulation No. 24 of 2007, and the laboratory management standards refer to The Minister of Education and Culture’s Regulation No.8 of 2018. There are ten aspects considered in the observation of the biology laboratory, including the evaluation of the laboratory space, the completeness of laboratory equipment and materials, and the cleanliness of the laboratory. Based on the research found that eight aspects were categorized as very good, and two aspect were categorized as as good. The completeness of laboratory tools and materials, as well as laboratory safety, need to be improved.

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