Jurnal FKIP Universitas Mataram (Fakultas Keguruan Dan Ilmu Pendidikan)
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Presumptive Analysis of Escherichia coli in Asian Moon Scallop (Amusium pleuronectes) as a Bioindicator of Water Quality in Lampung Bay
Full text linkThe asian moon scallop (Amusium pleuronectes) is a high-value fishery commodity and serves as a natural bioindicator of water quality due to its filter-feeding behavior. This research aimed to analyze Escherichia coli contamination in scallop products from Lampung Bay as an indicator of microbiological and environmental conditions. Testing was conducted at the Microbiology Laboratory of UPTD PMHP, Lampung Province, using the Indonesian National Standard (SNI) 2332.1:2015. The presumptive test using Lauryl Tryptose Broth (LTB) showed five positive tubes: three at 10⁻¹, one at 10⁻², and one at 10⁻³ dilution. However, confirmatory tests using Brilliant Green Lactose Bile Broth (BGLB), EC Broth, and L-EMB Agar all showed negative results for E. coli, with a Most Probable Number (MPN) value of <3 MPN/g. Environmental quality assessment indicated that physicochemical parameters complied with marine water quality standards. The pH ranged from 7.8–8.0, temperature was 27–30°C, salinity ranged from 30–34 ppt, and DO was >5 mg/L. The results demonstrate that the scallop products are microbiologically safe and that the surrounding waters meet environmental quality standards, supporting sustainable shellfish cultivation. Routine monitoring, enhanced waste management, and fortified bioindicator-based assessments are recommended to ensure long-term food safety and environmental sustainability in coastal regions
Pteridophyte Species in The Forest Ecosystem of Lemor Botanical Garden, East Lombok
Full text linkIndonesia is renowned for having some of the highest biodiversity levels in the world, which includes a wide variety of fern species (Pteridophyta). This study aims to identify and describe the fern species found in the Lemor Botanical Forest Area, East Lombok. The research used a descriptive-exploratory method with a cruise method approach, allowing direct observation and sampling in the field. The results showed a total of 9 fern families belonging to 20 species, with 50 individual plants recorded. The dominant family found was Pteridaceae, comprising 5 species. The species diversity was analyzed using the Shannon-Wiener diversity index, which yielded a value of 2.86, indicating a moderate level of species diversity. These findings demonstrate the ecological potential of the Lemor Botanical Forest Area in supporting the sustainability of fern species, and provide important baseline data for future biodiversity conservation and management efforts in tropical forest ecosystems. In conclusion, in the Lemor Botanical Garden Forest area of East Lombok, 9 families of ferns have been identified
Water Content, Physical Quality of Seeds and Post-Harvest Fungal Attacks on Peanuts
Full text linkThe decline in peanut seed quality can result from improper post-harvest handling, including drying, pod peeling, and storage, which can damage the seeds and reduce their quality. Damaged seeds and high water content facilitate fungal growth on peanuts. Maintaining and ensuring peanut quality during market storage is very important. This study aims to examine the relationship between air content, the percentage of damaged seeds, and the percentage of seeds infected by post-harvest fungal species in peanut seeds. The experimental method involved measuring air content with a DELMHORST Model G-7 Moisture Meter. The physical quality of seeds was assessed based on the percentages of intact, wrinkled, and damaged seeds. To determine the percentage of seeds infected with fungi, the direct planting method was used, employing Dichloran 18% Glycerol Agar (DG18+) media. The results indicated that each sample’s air content was within the normal range of 8-9%, but the physical quality of the seeds was 59.7%, associated with fungal attacks by species including Aspergillus flavus, A. niger, A. tamari, Fusarium semitechtum, Mucor sp., Eurotium repens, and E. chevalieri. These findings suggest that air content and seed damage influence fungal diversity, providing valuable insights for maintaining peanut seed quality during the post-harvest process until they reach the market
The Effect of Adding Sucrose on Product Characteristics in Probiotic Fermented Drinks from “Loka Pere” Banana
Full text linkThe monosaccharide and fiber content in “loka pere” bananas can be a good growth substrate for probiotic bacteria during the fermentation process in making “loka pere” banana probiotic fermented drinks. The probiotics used can increase the functionality of the product in providing health effects, especially on digestive tract health. The resulting probiotic fermented drink has a distinctive sour taste; usually, sweeteners are added as a flavour balancer in the product so that it can be well accepted by consumers. This study examined the effect of adding variations in sweeteners, namely sucrose, on product characteristics after the fermentation process. Results of the study, it was found that the addition of variations in sucrose of 0%, 3%, 6% did not have a significant effect on the characteristics of pH values (3.97, 3.88, 3.89), total acid (0.70%, 0.77%, 0.70%) and the number of probiotic bacteria (7.53 Log CFU/mL, 7.47 Log CFU/mL, 7.52 Log CFU/mL) in the product. Therefore, sucrose can be used as a sweetener in making the probiotic fermented banana drink “loka pere” because it does not change other characteristics other than the resulting sweet taste
Hypothyroidism with Myxedema Coma Complications: A Review of Articles during November 2024
Full text linkHypothyroidism is a condition characterized by decreased thyroid hormone production due to impaired thyroid or hypothalamic-pituitary gland function. Hypothyroidism is more common in women due to iodine deficiency. This condition can also be caused by autoimmune disorders. Symptoms of hypothyroidism vary, from mild, with few or no symptoms, to severe. Most symptoms are variable, vague, and delayed in onset. This paper aims to provide a comprehensive understanding of the diagnosis and management of hypothyroidism complicated by myxedema coma. The writing method used in this literature review is references from various Indonesian and English-language literature. The literature search was conducted during November 2024, with 10 articles obtained. The review results showed that severe and uncontrolled hypothyroidism can lead to myxedema coma. Myxedema coma is a condition characterized by decreased consciousness accompanied by generalized edema. This condition frequently associated with hypothermia and hyponatremia. Myxedema coma can be diagnosed using a scoring system. Therefore, an understanding of how to diagnose and properly manage hypothyroidism with complications of myxedema coma is needed for early detection so as not to worsen the patient's prognosis
Effectivenessof the Anammox Process for Nitrogen Waste Treatment in Tropical Environments: A Comprehensive Review
Full text linkThe anaerobic ammonium oxidation (Anammox) process is a biological mechanism that converts ammonium and nitrite into nitrogen gas without the need for oxygen, making it a potentially efficient solution for nitrogen waste treatment. This study aims to analyze the effectiveness of Anammox in reducing nitrogen concentrations from various types of waste and compare it with conventional methods. This study was conducted using a systematic literature review approach on the effectiveness of the Anammox process in nitrogen removal from wastewater. The analysis was carried out by extracting information related to reactor types, operational parameters (pH, temperature, C/N ratio, and substrate concentration), nitrogen removal efficiency, and inhibitory factors. The results show that this process can consistently reduce ammonium and nitrite, with performance highly influenced by operational conditions. Factors such as microbial stability, temperature, and nitrite availability are the main determinants of success. This study confirms that Anammox offers a more energy-efficient approach, producing less sludge and being more environmentally friendly compared to nitrification–denitrification. Thus, Anammox technology contributes to the development of sustainable wastewater treatment systems while expanding scientific understanding of the role of Anammox bacteria in the nitrogen cycle
Psikoedukasi Menuju Senja yang Cerah: Kesehatan Mental dan Kualitas Hidup Lansia
Full text linkSeiring bertambahnya usia, lansia seringkali menghadapi berbagai tantangan yang dapat mempengaruhi kualitas hidup mereka. Tantangan tersebut antara lain menurunnya kesehatan fisik, isolasi sosial, menurunnya kesehatan fisik, isolasi sosial, dan berkurangnya dukungan sosial. Selain itu, Kesehatan mental juga berdampak pada kehidupan lainsia. Gangguan pada kesehatan mental emosional dapat menyebabkan dampak bagi lansia, antara lain dapat menurunkan kemampuan lansia dalam melakukan aktivitas sehari-hari, menurunkan kemandirian dan kualitas hidup lansia. psikoedukasi ini bertujuan untuk mengembangkan dan menyebarkan pengetahuan di kalangan masyarakat mengenai informasi terkait psikologi yang umum atau informasi tertentu lainnya, yang digunakan untuk memengaruhi kesejahteraan psikososial komunitas. Metode yang digunakan dalam kegiatan ini adalah psikoedukasi. Psikoedukasi adalah pemdekatan dalam penyampaian pengetahuan yang berkaitan dengan aspek psikologis kepada para pelajar. Kegiatan psikoedukasi ini bertempat dimenasah Gampong Uteun Geulinggang Kec. Dewantara Kab. Aceh Utara. Dengan jumlah lansia yang mengikuti kegiatan ini berjumlah 37 orang. Lansia yang mengikuti kegiatan psikoedukasi ini aktif merespon pemateri dengan bertanya dan bercerita pengalam hidupnya. Para lansia memahami apa yang bisa mereka lakukan untuk menyambut usia lanjut agar pada masa ini kehidupan menjadi indah seperti senja yang cerah
Pengembangan Model Supply Chain Pangan Berbasis Matematika di Nusa Tenggara Barat
Full text linkThe food supply chain in West Nusa Tenggara (NTB) faces several challenges, including poor transportation infrastructure, high distribution costs, and post-harvest losses. This study aims to design a mathematical model based on Linear Programming (LP) to improve the efficiency of the food supply chain in the region. The findings reveal that investments in transportation infrastructure, post-harvest technology, and technology-based information systems can significantly reduce distribution costs by 15%, decrease post-harvest losses by 25%, and enhance price stability. This model provides practical solutions to optimize food distribution and supports sustainable food security policies.Rantai pasok pangan di Nusa Tenggara Barat (NTB) menghadapi berbagai tantangan, seperti infrastruktur transportasi yang kurang baik, biaya distribusi yang tinggi, dan kerugian pascapanen. Penelitian ini bertujuan merancang model matematis berbasis Linear Programming (LP) untuk meningkatkan efisiensi rantai pasok pangan di wilayah tersebut. Hasil penelitian menunjukkan bahwa investasi pada infrastruktur transportasi, teknologi pascapanen, dan sistem informasi berbasis teknologi dapat secara signifikan menurunkan biaya distribusi hingga 15%, mengurangi kerugian pascapanen sebesar 25%, dan meningkatkan stabilitas harga pangan. Model ini memberikan solusi praktis untuk mengoptimalkan distribusi pangan dan mendukung kebijakan ketahanan pangan yang berkelanjutan
Pengaruh Perilaku Belajar Ditinjau dari Gaya Belajar Siswa Terhadap Hasil Belajar Siswa
Full text linkThis study aims to determine the influence of learning behavior in terms of students' learning styles on the mathematics learning outcomes of eighth-grade students at SMPN 10 Mataram in the 2024/2025 academic year. This research uses a quantitative approach with the Ex Post Facto research method. The population of the study consists of all eighth-grade students at SMPN 10 Mataram in the 2024/2025 academic year, totaling 271 students across 9 classes. The sample used is class VIII E, consisting of 32 students selected using cluster random sampling. Data collection techniques involved questionnaires and tests. The instruments used include a learning style questionnaire, a learning behavior questionnaire, and a mathematics learning outcomes test. The learning outcomes test administered was a post-test on the topic of Systems of Linear Equations in Two Variables (SPLDV). The instruments were validated using Aiken’s V index, which showed validity with V values of 0.972 for the learning style and learning behavior questionnaires, and 0.946 for the learning outcomes test. Data analysis techniques used in this study included descriptive and inferential statistical analysis. The results of the study indicate that there is a positive and significant influence of learning behavior on learning outcomes, with a contribution of 26.7%, and a positive and significant influence of learning behavior in students with a kinesthetic learning style on learning outcomes, with a contribution of 40.9%. Thus, it can be concluded that learning behavior in terms of students' learning styles has an influence on mathematics learning outcomes of eighth-grade students at SMPN 10 Mataram.Penelitian ini bertujuan untuk mengetahui pengaruh perilaku belajar ditinjau dari gaya belajar siswa terhadap hasil belajar matematika siswa kelas VIII SMPN 10 Mataram. Penelitian ini adalah penelitian kuantitatif dengan metode penelitian Ex Post Facto. Populasi dalam penelitian ini adalah seluruh siswa kelas VIII SMPN 10 Mataram tahun ajaran 2024/2025 berjumlah 271 siswa dan sampel yang digunakan sebanyak 32 siswa yang dipilih menggunakan cluster random sampling. Teknik pengumpulan data penelitian menggunakan angket dan tes. Dengan instrumen yaitu angket gaya belajar, angket perilaku belajar, tes hasil belajar matematika. Pada materi Sistem Persamaan Linear Dua Variabel (SPLDV). Teknik analisis data yaitu teknik analisis deskriptif dan analisis inferensial. Berdasarkan hasil penelitian dan analisis data diketahui bahwa terdapat pengaruh positif dan signifikan antara prilaku belajar terhadap hasil belajar dengan kontribusi pengaruh sebesar 26,7% dan terdapat pengaruh positif dan signifikan antara perilaku belajar siswa dengan gaya belajar kinestetik terhadap hasil belajar dengan kontribusi pengaruh sebesar 40,9%. Sedangkan untuk gaya belajar lainnya tidak memiliki pengaruh
Pengaruh Media PowerPoint Berbantuan Geogebra Terhadap Hasil Belajar Siswa Kelas VIII Pada Materi Persamaan Linier Satu Variabel Di SD-SMPN SATAP 4 Gunungsari Tahun Ajaran 2024/2025
Full text linkThe low scores of students in the Mathematics End-of-Semester Summative Assessment are due to the suboptimal use of learning media, especially digital-based media. This research aims to determine the effect of PowerPoint media assisted by GeoGebra on the learning outcomes of eighth-grade students in One-Variable Linear Equation material. This research is classified as quantitative research, using a one-group pre-test and post-test design. The subjects of study were all eighth-grade students, consisting of 17 individuals. The research instruments used were pre-test and post-test questions with the Wilcoxon signed-rank test analysis method. The results showed that students’ learning outcomes after learning using PowerPoint assisted by GeoGebra obtained an average pre-test score of 47.3 and an average post-test score of 56.2. This indicates a fairly significant improvement. The use of PowerPoint media made students more focused on observing classroom learning and increased their enthusiasm for learning. GeoGebra helped students understand the graphical form of one-variable linear equation solutions and helped them validate the answers they had calculated independently using known solution rules. Thus, it can be concluded that the use of PowerPoint media assisted by GeoGebra affects the mathematics learning outcomes of eighth-grade students in mathematics learning on one-variable linear equation material.Rendahnya nilai Sumatif Akhir Semester matematika siswa dikarenakan penggunaan media pembelajaran yang belum optimal, terutama media berbasis digital. Penelitian ini bertujuan untuk mengetahui bagaimana pengaruh media PowerPoint berbantuan Geogebra terhadap hasil belajar siswa kelas VIII pada materi Persamaan Linier Satu Variabel di SD-SMPN SATAP 4 Gunungsari tahun ajaran 2024/2025. Penelitian ini tergolong penelitian kuantitatif, menggunakan one group pre-test and post-test design. Subjek penelitian adalah seluruh siswa kelas VIII yang terdiri dari 17 orang. Instrumen penelitian yang digunakan berupa soal pre-test dan post-test dengan metode analisis wilcoxon signed rank test. Hasil penelitian menunjukkan bahwa, hasil belajar siswa setelah dilakukan pembelajaran menggunakan PowerPoint berbantuan Geogebra diperoleh nilai rata-rata pre-test sebesar 47.3 dan nilai rata-rata post-test sebesar 56.2. Hal tersebut menunjukkan peningkatan yang cukup signifikan. Penggunaan Media PowerPoint menjadikan siswa lebih fokus menyimak pembelajaran di kelas dan meningkatkan semangat belajar siswa. Geogebra membantu siswa untuk memahami bentuk grafik penyelesaian persamaan linier satu variabel dan membantu siswa memvalidasi jawaban yang telah mereka hitung sendiri secara mandiri menggunakan aturan penyelesaian yang diketahui. Sehingga dapat disimpulkan bahwa penggunaan media PowerPoint berbantuan Geogebra berpengaruh terhadap hasil belajar matematika siswa kelas VIII SD-SMPN SATAP 4 Gunungsari pada pembelajaran matematika materi persamaan linier satu variabel tahun ajaran 2024/2025.
Kata Kunci: pengaruh media; PowerPoint; GeoGebra; hasil belajar; kelas viii; persamaan linier satu variabe