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Saprizal Hadisaputra
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Jurnal Pijar MIPA
Published by Universitas Mataram
ISSN : 19071744     EISSN : 24601500     DOI : -
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
Jurnal Pijar MIPA (e-ISSN: 2460-1500 & p-ISSN: 1907-1744) is an open-access scientific periodical journal published by the Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA publishes original articles on current issues and trends in mathematics-science-science education studies. In addition, this journal addresses issues concerning environmental education and environmental science. The journal scopes are: a. Physics and Physics Education b. Chemistry and Chemistry Education c. Biology and Biology Education d. Natural Science and Science Education e. Mathematics and Mathematics Education f. Environmental and Environmental Education
Arjuna Subject : Umum - Umum
Articles 1,179 Documents
 114   115   116   117   118 
Phytochemical Profile and Hair Growth Activity of Marigold Flower (Tagetes erecta L.) Extract Puspitasari, Lia; Indrayoni, Putu; Septiarini, Putu Ayudia
Jurnal Pijar Mipa Vol. 21 No. 1 (2026)
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.v21i1.10388

Abstract

The Marygold flower (Tagetes erecta L.) exhibits numerous pharmacological properties. The marigold flower promotes hair development. Antioxidant substances that contribute to hair growth include alkaloids, flavonoids, tannins, and saponins. This research was conducted to determine the efficacy of ethanol extracts from Marygold flowers (Tagetes Erecta L.) as hair growers in male rabbits (Oryctolagus cuniculus). In a post-test-only control-group design, this study employed an experimental methodology. Thirty male rabbits served as test subjects in this study, which used one-way ANOVA. The KTL method was used in this study to determine the chemical constituent content of the ethanol extract of Marygold flowers at 5%, 10%, and 20% concentrations. Then, the length and density of the rabbit hair were measured to test the activity of hair growth. On days 7, 14, and 21, hair growth length was measured. On day 21, however, hair weight (density) was measured. Compounds from the flavonoid group (Rf 0.50 & 0.76), tannins (Rf 0.33 & 0.64), saponins (Rf 0.36 & 0.80), and alkaloids (Rf 0.33 & 0.62) were all positively present in the Marygold flower ethanol extract. The 20% concentration of Marygold flower ethanol extract exhibited the highest activity (p<0.05) in tests of hair density and length growth. The ethanol extract from Marygold flowers promotes hair growth in male rabbits, making their hair longer and denser.
Sustainability Analysis of the Vertical Composter as an Innovative Approach for Organic Waste Management and Space-Efficient Urban Food Sholehah, Hijriati; Nurhidayah, Nurhidayah; Rahmawati, Khairul Pahmi
Jurnal Pijar Mipa Vol. 20 No. 7 (2025)
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.v20i7.10429

Abstract

The waste problem is a never-ending problem, so it is everyone's responsibility to find solutions to the existing waste problem. According to data from the Ministry of Environment and Forestry in 2022, waste in Indonesia is predominantly composed of organic waste, accounting for 41.27% of the total waste. The purpose of this study was to determine plant growth by utilizing used barrels as a vertical composter for organic waste, which is useful for providing small-land farming, and to determine the quality of liquid and solid fertilizers. The method used was a laboratory experiment. The results of the study were as follows: the number of mustard green leaves was 15 cm, and the bok choy leaves were 13 cm. The total height of the mustard greens was 40 cm, and the bok choy was 20 cm. The length and area of ​​the leaves continue to increase by around 0.2 cm or more per day. The highest nutrient content in both compost and liquid fertilizer is P2O5 in Gegelengan Village, 4.223% in compost, and 5.4% in Kediri Village in liquid fertiliser, while the lowest is the N-Total content of 0.5% (compost) and 1.2% (liquid fertilizer). The research results obtained from the initial soil, solid organic fertilizer and liquid organic fertilizer met the quality standards based on the Decree of the Minister of Agriculture No. 261/KPTS/SR.320/M/04/2019.
Analysis of the Relationship between Learning Motivation and Students Cognitive Involvement in Problem-Based Learning through Lesson Study on the Material of Speed and Average Rate Anggrini, Rindy Puspita; Andini, Lusia; Yahya, Gita Salsabilla Nurma; Lestari, Neneng; Susanti, Nova
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10498

Abstract

Education in the 21st century emphasizes active student engagement, where intrinsic motivation is expected to emerge as observable cognitive participation, particularly through verbal discussions. However, although Lesson Study (LS) and Problem-Based Learning (PBL) are widely reported to strengthen intrinsic motivation, high motivation does not always translate into high verbal cognitive engagement, indicating a potential mismatch influenced by non-cognitive factors. This study aims to analyze the effectiveness of Lesson Study (LS) and Problem-Based Learning (PBL) in fostering students' intrinsic motivation and identify non-cognitive factors that influence the mismatch between motivation and verbal cognitive engagement. This descriptive study used mixed methods, involving 25 students of the Physics Education Study Program. Data were collected through motivation questionnaires (quantitative) and transcripts of group discussion recordings (qualitative) during the implementation of Lesson Study and PBL and processed using descriptive statistics. The quantitative results showed that students' learning motivation was in the high category across all indicators, including persistence, interest, achievement, and independence. However, the qualitative results of the transcripts of verbal cognitive engagement revealed significant variation, where some students exhibited low verbal activity despite having high motivation levels. This inconsistency suggests that high intrinsic motivation has not yet fully translated into active cognitive engagement due to the intervention of affective, social, and situational factors. Thus, Lesson Study and PBL have proven effective in fostering intrinsic motivation, but strengthening collaborative strategies is necessary to ensure optimal cognitive engagement for each individual.
Identification of Escherichia coli in Well Water in Gelogor Utara Hamlet, Kediri District, West Lombok Regency Fatmalia, Enida; Wahyudin, Wahyudin
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10506

Abstract

Water is a very important need for human life. Wells are one of the primary means of obtaining clean water. Along with the rapid growth of settlements, water quality has decreased due to pollution. The presence of E. coli bacteria in well water indicates human and animal fecal contamination. The purpose of this study was to determine the content of E. coli in well water in Gelogor Utara Hamlet, Kediri District, West Lombok Regency. This type of research is quantitative and descriptive, involving laboratory testing. The test method used to determine the number of E. coli in the sample is the Most Probable Number (MPN) Method listed in SNI 01-2332.1-2006. The results of E. coli testing in the well were all positive samples with E. coli content >24.000 CFU/100mL and in sample 2, namely 2.400 CFU/100mL, based on Permenkes Nomor 2 Tahun 2023, namely 0 CFU/100mL, so that the drilled well water in Gelogor Utara Hamlet does not meet the requirements of the Environmental Health Quality Standards for water for Hygiene and Sanitation purposes. Based on these results, the researcher provides advice to society on maintaining the septic tank to prevent seepage in the well, disinfecting it by adding chlorine, and boiling the water before consumption. The expected impact of this research on the community is to provide information to the community regarding the E. coli content in the well water they use and to raise public awareness about the importance of managing well water used for daily needs.
Tanaka and Cycling Test of Water Pumpkin Fruit Extract (Lagenaria siceraria (Molina) Standl.) as Natural Hair Tonic Spray Sofya, Sri Winarni; Muhsin, Lalu Busyairi
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10541

Abstract

Hair loss and slow hair growth remain common cosmetic concerns, while prolonged use of synthetic hair growth agents may pose safety and sustainability issues. This study aimed to investigate the effectiveness and stability of a natural hair tonic spray formulated from water pumpkin (Lagenaria siceraria (Molina) Standl.) fruit extract. The extract was prepared using ethanol maceration and incorporated into three formulations with concentrations of 5%, 10%, and 15%. Effectiveness was assessed through a Tanaka hair growth test on rabbits for 21 days, while stability was evaluated through a 28-day cycling test, involving alternating temperature cycles (2–8°C, 25°C, and 40°C). The results indicated that all formulations exhibited stable organoleptic characteristics, pH, and homogeneity throughout storage. The F3 formula (15%) demonstrated the highest hair growth activity (2.4 cm average length), comparable to the positive control (2.7 cm). The enhanced hair growth effect is attributed to flavonoids and saponins that improve microcirculation around follicles and stimulate keratinocyte proliferation. This research highlights the potential of water pumpkin fruit extract as a sustainable and cost-effective natural alternative to synthetic hair growth agents. Future studies should explore optimization of formulation stability and molecular mechanisms underlying follicular activation.
Development of Chemistry Magazine Containing Content on Cross-Aldol Condensation Reaction as Reading Material for Polyfunctional Organic Compounds Lectures Rahmawati, Rahmawati; Hidayah, Weny Amanatul; Al Idrus, Syarifa Wahidah
Jurnal Pijar Mipa Vol. 20 No. 7 (2025)
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.v20i7.10544

Abstract

Chemistry magazines have the potential to be effective media because they are able to present material in a more interesting, concise manner, and are supported by visualizations that clarify abstract concepts. The use of chemistry magazines is expected to help students deepen their understanding of the aldol condensation reaction mechanism and other organic materials. This study aims to develop a chemistry magazine that contains content on the cross-aldol condensation reaction mechanism as a supplementary reading for students in the Polyfunctional Organic Compounds course. The type of research used is research and development (R&D) with a 4D model that includes the stages of define, design, develop, and disseminate. The subjects of the study were students from the Chemistry Education Study Program at the University of Mataram, while the object of the research was a chemistry magazine developed based on the results of a student needs analysis. Data were collected through expert validation sheets and student response questionnaires, then analyzed descriptively and quantitatively using Aiken's V formula to measure validity and percentage of agreement (PA) to measure reliability. The results showed that the chemistry magazine obtained an average validity score of 0.93, categorized as “highly valid,” and a reliability level of 94%, categorized as “reliable.” Meanwhile, the results of the practicality test, as obtained by students, achieved a percentage of 85% with the category “very practical”. Thus, the chemistry magazine developed is declared feasible and practical for use as additional reading material to enhance students' understanding of the cross-aldol condensation reaction mechanism in the Polyfunctional Organic Compounds course and to foster an interest in learning chemistry independently.
The Relationship Between School Environment Factors and Students Biology Learning Outcomes Nathania, Elga Amelinda; Mahrus, Mahrus; Merta, I Wayan
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10549

Abstract

Education quality is fundamentally influenced by various factors, with the school environment playing a crucial role in shaping student learning outcomes. The school environment encompasses physical, social, and academic aspects that collectively affect students' comfort and motivation to learn. This study aims to determine the relationship between school environmental factors and biology learning outcomes of grade VII MTsN 3 Mataram students. The school environment encompasses physical, social, and academic aspects that collectively impact students' comfort and motivation to learn. This study employs a correlational, quantitative, descriptive method. The population consisted of all students of grade VII, with samples taken from grades VII-4 and VII-5 using purposive sampling techniques. Data collection techniques include questionnaires and documentation of student learning outcomes. The questionnaire instrument was validated using Aiken's V formula and tested for reliability with Cronbach's alpha, both of which yielded valid and reliable results. The normality test indicates that the data are normally distributed, and the linearity test reveals a linear relationship between the variables. Correlation analysis yielded a coefficient of r = 0.608, indicating a strong and significant relationship at a 5% significance level (r calculated exceeds the r table value). Thus, it is concluded that there is a positive and significant relationship between school environmental factors and students' biology learning outcomes. These findings can serve as input for teachers and schools in creating a supportive learning environment to enhance the educational process.
Factors Associated with FMT Failure in Clostridioides difficile Infection and Age-Related Considerations: A Review Irgi, Khaeru; Kasasiah, Ahsanal; Rusmayanti, Agustina
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10558

Abstract

Clostridioides difficile infection (CDI) is a major cause of nosocomial diarrhea worldwide, and limitations of standard antibiotic therapy have driven the adoption of fecal microbiota transplantation (FMT) as an alternative therapeutic approach. Although FMT achieves clinical success in most patients, treatment failure still occurs in a considerable proportion of cases. Existing literature has examined overall FMT efficacy, yet no review has comprehensively synthesized the multifactorial determinants of FMT failure while incorporating age-related considerations. This narrative review provides an integrative overview of factors contributing to FMT failure in adults with CDI. A literature search of PubMed and Google Scholar identified original research articles published between 2015 and 2025. Evidence indicates that FMT failure is influenced by host-related factors such as comorbidities, immune function, and nutritional status; disease-related characteristics, including CDI severity and recurrence history; technical aspects, such as bowel preparation, donor type, and route of administration; and pharmacological factors, including antibiotic exposure before or after the procedure. These factors collectively affect donor microbiota engraftment and increase the risk of therapeutic failure. Age-related physiological and microbiome changes may additionally modify treatment responses. This review highlights the need for comprehensive patient assessment, standardized procedural protocols, and careful post-FMT monitoring. Addressing current evidence gaps and improving clinical guidance will be essential for optimizing the safety and effectiveness of FMT across different adult age groups.
Deep Learning Approach and Mechanics KIT on the Shift in Conceptions of Junior High School Students on the Material of Vibrations and Waves Sukmawati, Sukmawati; Arbie, Asri; Abdjul, Tirtawaty
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10630

Abstract

Misconceptions in vibration and wave topics remain a common problem in junior high school science learning, particularly due to the abstract nature of the concepts and their limited direct observability. This study aimed to analyze students' conceptual shifts on vibration and wave concepts through the implementation of a Deep Learning approach supported by a Mechanical KIT. The study employed a one-group pretest–posttest experimental design involving three classes, comprising one experimental class and two replication classes, with a total of 69 eighth-grade students serving as research participants. A three-tier diagnostic test consisting of ten multiple-choice items was used to identify students' conceptual categories, including guessing, lack of conceptual understanding, misconception, and sound conceptual understanding. The data were analyzed descriptively using SPSS to examine the direction and quality of students' conceptual shifts before and after the intervention. The results indicated that the Deep Learning approach, assisted by the Mechanical KIT, effectively facilitated positive conceptual shifts, as evidenced by a dominant transition from misconceptions, a lack of understanding, and guessing toward sound conceptual understanding across all classes. The most substantial conceptual improvements were observed in indicators related to the relationships among frequency, period, and amplitude, while relatively lower shifts occurred in concepts requiring higher levels of mathematical reasoning. These findings suggest that integrating a Deep Learning approach with concrete instructional media, such as a Mechanical KIT, is effective in promoting meaningful conceptual reconstruction and reducing misconceptions in vibration and wave learning.
Application of the Cooperative Learning Model Using the Gallery Walk Method to Improve Cognitive Learning Outcomes on the Solar System Topic Nadila, Anisa; Rahmad, M.; Ma’ruf , Zuhdi
Jurnal Pijar Mipa Vol. 20 No. 8 (2025): Special Issue
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.v20i8.10645

Abstract

Natural Science is an important subject that connects scientific concepts with real-life contexts. However, students’ cognitive learning outcomes at SMPN 45 Pekanbaru remain relatively low due to the application of teaching methods that are not yet optimal and unengaging learning media, particularly in the Solar System topic, which is inherently abstract. This study aims to describe students’ cognitive learning outcomes and to determine the improvement in learning outcomes after the application of a cooperative learning model using the Gallery Walk strategy. This research employed a quasi-experimental design with a posttest-only control group design. The population consisted of all seventh-grade students of SMPN 45 Pekanbaru, comprising four classes with a total of 160 students. The sample was selected using simple random sampling, resulting in two homogeneous classes totalling 80 students. The instrument used was a written cognitive learning test consisting of 20 multiple-choice questions. Data were analyzed using descriptive and inferential statistical analyses. The results showed that the experimental group recorded a mean score of 81, which fell into the good category, whereas the control group showed a comparatively lower average score. Inferential analysis using the Mann–Whitney test indicated a statistically meaningful difference in students’ cognitive learning outcomes between the experimental and control classes (Asymp. Sig. = 0.001 < 0.05). Therefore, the application of the Gallery Walk method has proven to be effective and feasible for improving the cognitive learning outcomes of seventh-grade students on the Solar System topic at SMPN 45 Pekanbaru. These findings suggest that the Gallery Walk method can serve as an alternative instructional strategy for science teachers to enhance students’ cognitive learning outcomes, particularly on abstract topics such as the Solar System.

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