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Implementasi Media Tiang Barisan untuk Meningkatkan Pemahaman Peserta Didik di Ujung Timur Kota Sumenep: Indonesia Aini, Kurratul; Wahab, Abdul; Balqis, Malikatul; Dwisaputra, Aris
Jurnal Studi Guru dan Pembelajaran Vol. 9 No. 1 (2026): Januari - April 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/jsgp.9.1.2026.7940

Abstract

Pemahaman peserta didik terhadap materi barisan masih rendah karena pembelajaran bersifat abstrak dan kurang melibatkan media konkret. Media Tiang Barisan digunakan sebagai alternatif untuk membantu mengonkretkan konsep barisan sehingga lebih mudah dipahami. Media ini merupakan adaptasi media konkret manipulatif dengan kebaruan pada desain dan implementasinya yang difokuskan pada materi barisan sesuai konteks pembelajaran. Oleh karena itu, penelitian ini penting dilakukan untuk mengetahui implementasi Media Tiang Barisan dalam meningkatkan pemahaman peserta didik. Penelitian ini bertujuan untuk mendeskripsikan implementasi Media Tiang Barisan dalam pembelajaran matematika serta dampaknya terhadap keaktifan, interaksi, dan pemahaman konseptual peserta didik pada materi barisan aritmatika dan geometri. Penelitian menggunakan pendekatan kualitatif dengan jenis penelitian deskriptif melalui desain studi kasus. Subjek penelitian adalah peserta didik kelas X SMA Nurul Jadid Kabupaten Sumenep, dengan guru matematika dan kepala sekolah sebagai informan kunci. Teknik pengumpulan data meliputi wawancara mendalam, observasi partisipatif, dan dokumentasi. Data dianalisis melalui tahapan reduksi, pengelompokan, penafsiran, serta verifikasi menggunakan triangulasi sumber dan metode. Hasil penelitian menunjukkan bahwa pembelajaran matematika sebelum implementasi media masih didominasi metode ceramah, menyebabkan rendahnya minat, motivasi, dan pemahaman konseptual peserta didik, khususnya pada materi barisan. Penerapan Media Tiang Barisan yang bersifat visual, manipulatif, dan kontekstual mampu meningkatkan keterlibatan peserta didik, memperkuat interaksi pembelajaran, serta membantu mengonkretkan konsep abstrak barisan. Peserta didik tidak hanya menghafal rumus, tetapi memahami pola bilangan, beda, rasio, dan penentuan suku ke-n secara lebih sistematis. Dengan demikian, Media Tiang Barisan dapat dijadikan sebagai alternatif media pembelajaran yang inovatif dan kontekstual pada materi barisan jenjang Sekolah Menengah Atas untuk meningkatkan kualitas pembelajaran matematika.
ANTIOXIDANT AND ANTIBACTERIAL ACTIVITIES OF ENDOPHYTIC FUNGI EXTRACTS FROM THE FLOWER OF PURUN TIKUS (Eleocharis dulcis (Burm.f.) Trin. Ex Hensch.) Aini, Kurratul; Syarifah; Balkia, Siti Elisya; Febrianti, Sonia Wiji; Febrianti, Elizah
Berita Biologi Vol 25 No 1 (2026): Berita Biologi
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/berita_biologi.2026.13526

Abstract

Purun Tikus (Eleocharis dulcis (Burm.f.) Trin. Ex Hensch.) is a wetland plant native to Southeast Asia known to contain various bioactive secondary metabolites. However, studies on endophytic fungi associated with the flowers of this plant remain limited, even though endophytes are often capable of producing compounds similar to or even more potent than those of their host plants. This study aimed to identify and evaluate the antioxidant and antibacterial activities of endophytic fungi isolated from the flowers of E. dulcis. Isolation was carried out using surface sterilization and cultivation on Potato Dextrose Agar (PDA), followed by identification based on macroscopic and microscopic characteristics. Three isolates were successfully obtained: EDF1 (Neopestalotiopsis sp.), EDF2 (Lasiodiplodia theobromae), and EDF3 (Rhizopus sp.). Secondary metabolites were extracted using ethyl acetate, while antioxidant and antibacterial activities were evaluated using the DPPH method and agar disc diffusion method, respectively, against Salmonella typhi, Escherichia coli, Staphylococcus aureus, and Bacillus subtilis. The results showed that each isolate exhibited different levels of bioactivity. Among them, EDF2 (L. theobromae) demonstrated the highest activity, with an IC₅₀ value of 19.149 µg/mL (categorized as very strong) and antibacterial inhibition exceeding 80% against all tested bacteria. These findings indicate that L. theobromae has strong potential as a natural source of bioactive compounds that can be further developed as candidates for phytopharmaceuticals, antimicrobial agents, and natural antioxidants through subsequent in vivo studies.
The Implementation of Ecoliteracy as a Learning Resource to Improve Environmental Care Attitudes in Elementary Schools Misbahudholam AR, Muhammad; Sama', Sama'; Aini, Kurratul
Mimbar Sekolah Dasar Vol 10, No 1 (2023)
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53400/mimbar-sd.v10i1.51256

Abstract

Ecoliteracy refers to learning outside the classroom by utilizing the surrounding environment as a learning resource. This study aimed to determine the steps for implementing ecoliteracy with nature as a learning resource in improving environmental care attitudes in elementary schools. This study employed classroom action research, involving 20 fourth-grade students as participants. This study was divided into two cycles, each of which comprised four stages. The instruments used in the study were the student's environmental care attitude observation sheet and environmental care attitude sheet, and the teacher's activity sheet. The findings revealed that the caring attitude towards the environment reached an average of 61%; 14 students (70%) were in the caring category and six students (30%) in the very caring category. The learning outcomes of Cycle 1 were four students (20%) who passed and 16 students (80%) who failed. The attitude of caring for the environment in the Cycle 2 increased following the implementation of ecoliteracy learning steps, as indicated by the questionnaire results that one student (5%) was in the caring category, and 19 students (90%) in the very caring category. Meanwhile, the learning outcomes obtained in the Cycle 2 were 15 students (75%) in the complete category and five students (15%) in the incomplete category.