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All Journal PSEJ (Pancasakti Science Education Journal) Al-Nafis: Jurnal Biologi Dan Pendidikan Biologi
astuti muh amin
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Biochemistry, Genetics & Molecular Biology Chemistry Education Physics Other

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Pengembangan Lembar Kerja Siswa (LKS) Berdasarkan Identifikasi Jenis-Jenis Gastropoda di Kawasan Hutan Mangrove Sumitro Robo; Lintal Muna; Juniartin Juniartin; Astuti Muh Amin
Al-Nafis: Jurnal Biologi dan Pendidikan Biologi Vol 1, No 1 (2021): Al-Nafis: Jurnal Biologi dan Pendidikan Biologi
Publisher : IAIN Ternate

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46339/al-nafis.v1i1.575

Abstract

The importance of developing student worksheets (LKS) based on the results of the identification of gastropods in Indari Village is very useful for students to know the importance of the role of gastropods in our environment, therefore the student worksheets can be used to present contextual material, namely developing students' prior knowledge, and also invites students to think critically through practicum in the teaching and learning process takes place. In order for this subject to be well received by students, it is necessary to have a student worksheet (LKS) which aims to accommodate and encourage students' thinking skills and support students to be able to think for themselves, analyze themselves, and arrange the final results of student activities according to developments. student psychology. The type of research used in this research is research and development which consists of Define, Design, Develop, and Disseminate. Based on the results of research conducted in the mangrove forest area of Indari Village, it can be found as many as 15 types of gastropods with different characteristics and shapes. The total number of gastropods found was 547 individuals. The most common species found was Nerita sp with 82 individuals while the least species found was Chicereus capueinus with 7 individuals. The development of LKS teaching materials using the 4-D model is feasible based on the results of the validation carried out by material expert validators and design experts.
Perbandingan Potensi Anti Bakteri Ekstrak Etanol Jahe Merah, Jahe Putih, dan Bangle Terhadap Pertumbuhan Lactobacillus Reuteri Secara In Vitro Hujjatusnaini, Naini; Astuti Muh Amin; Dahliyanti; Purwita Sari; Nur Khusna
PSEJ (Pancasakti Science Education Journal) Vol. 9 No. 1 (2024)
Publisher : Program Studi Pendidikan IPA, FKIP Universitas Pancasakti (UPS) Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24905/psej.v9i1.165

Abstract

Jahe diketahui bermanfaat untuk mengatasi infeksi bakteri pada mulut seperti pada gusi, infeksi padasaluran pernapasan juga bisa mengatasi masalah pencernaan. Agen antibakteri yang terkandung dalamjahe merah (Zingiber officinale var. Runrum), jahe putih (Zingiber officinale var. amarum) dan bangle(Zingiber montanum) dapat melawan bakteri jahat, seperti lactobacillus reuteri. Penelitian ini mengujiperbandingan potensi anti bakteri sedian ekstrak etanol jahe merah, jahe putih, dan bangle terhadappertumbuhan bakteri lactobacillus reuteri. penelitian ini merupakan penelitian eksperimen, terhadapperbandingan potensi antibakteri Jahe merah, jahe putih dan bangle. Terhadap bakteri LactobacillusReuteri dengan diberikan konsentrasi Jahe putih 30%, 40%, 50%, 60%, bangle 4%, 6%, 8%, 10%, 12%,dan Jahe merah 10%, 15%, 20%, 25%, 30% kontrol (+) Yakult 70%, 80%, 90% dan kontrol (-) aquadesdengan selalu memperhatikan kecepatan tumbuhnya bakteri secara spesifik dengan waktu generasi selama3x24 jam inkubasi.Hasil penelitian ini menunjukkan bahwa antibakteri pada control negatif terhadapLactobacillus reuteri lebih efektif dibandingkan dengan jahe merah, jahe putih dan bangle. Pada ekstrakjahe merah konsentrasi 20%, pada ekstrak jahe putih 50% dan pada ekstrak bangle dengan konsentrasi 4%.adalah perbandingan yang paling efektif di lihat dari zona hambat yang terbentuk
Co-Authors Dahliyanti Hujjatusnaini, Naini Juniartin Juniartin Lintal Muna Nur Khusna Purwita Sari Sumitro Robo