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All Journal CHEMISTRY PROGRESS Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Pedagogika : Jurnal Pedagogik dan Dinamika Pendidikan
Apriani Sulu Parubak
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Papua State University, Jl. Gunung Salju Kampus Amban Manokwari, West Papua 98314
Chemistry Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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SENYAWA FLAVONOID YANG BERSIFAT ANTIBAKTERI DARI AKWAY (Drimys becariana.Gibbs) Parubak, Apriani Sulu
CHEMISTRY PROGRESS Vol 6, No 1 (2013)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/cp.6.1.2013.2069

Abstract

Daun Akway (Drimys beccariana.Gibbs) merupakan tanaman khas yang sangat berpotensi untuk dikembangkansebagai tanaman obat. Hal ini disebabkan karena komponen kimia yang terkandung dalam daun Akway sangatkuat antara lain alkaloid, flavonoid, steroid, tannin, saponin dan fenolik menunjukkan positif lemahHasil yang diperoleh dari penentuan kadar senyawa aktif flavonoid 0,3680%. Hasil fraksinasi dari ekstrak etilasetat diperoleh 4 fraksi, fraksi 1 dan 2 positif mengandung flavonoid. Berdasarkan hasil UV-Vis maka dapatdisimpulkan bahwa daun Akway mengandung senyawa flavonoid golongan flavonon yang mempunyai gugusfungsi OH terikat, CH alifatik, C=O, C=C Aromatik, C-O dan C- H aromatik.Pengujian dari ekstrak etil asetatpada fraksi 1 dan 2 menunjukkan bahwa mempunyai potensi sebagai senyawa antibakteri. Dari uji aktivitasantibakteri mempunyai daya hambat sedang sampai kuat terhadap Escherecia Coli (bakteri gram negatif) danBacillus subtilis (bakteri gram positif). Daun Akway mempunyai senyawa yang bersifat bakteriostatik(menghambat pertumbuhan bakteri).Hydroxy Terminated Polybutadiene (HTPB) is a strategic chemicals as raw material for a good propellant binderMastery of production techniques HTPB effort is needed in national rocketry industry. HTPB is mainlydetermined by the characteristics of the polymer structure is formed, the degree of crystallinity, and the averagesmolecular weight. Thorough analysis of the components of the manufacturing process in order to manufactureHTPB which is required before selecting the best and most suitable proccess. Parameters used to select thepolymerization process is the ease of process, conversion results obtained, a structure that allows the set, theoperating conditions of the most inexpensive and easy, and availability of raw material components. Thus, thedesired polymer structure can be adapted to the conditions that must be applied. Based on the review, then theradical polymerization is the most interesting was applied. In addition to the polymer structure can be regulated,low-cost process conditions, and availability of raw materials in Indonesia is high.
EFEKTIVITAS MODEL PEMBELAJARAN THINK-PAIR-SHARE DALAM MENINGKATKAN HASIL BELAJAR IKATAN KIMIA PADA ERA KURIKULUM MERDEKA: STUDI KASUS DI SMAS KATOLIK VILLANOVA MANOKWARI Tuapatinaya, Ricki; Parubak, Apriani Sulu; Surbakti, Putri Sarera; Yogaswara, Radite
PEDAGOGIKA: Jurnal Pedagogik dan Dinamika Pendidikan Vol 13 No 1 (2025): Pedagogika : Jurnal Pedagogik dan Dinamika Pendidikan
Publisher : Prodi Pendidikan Guru Sekolah Dasar (PGSD) FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/pedagogikavol13issue1page1-9

Abstract

Penelitian ini bertujuan untuk mengukur efektivitas model pembelajaran Think-Pair-Share (TPS) dalam meningkatkan hasil belajar siswa pada materi ikatan kimia di era Kurikulum Merdeka. Menggunakan desain pre-eksperimental dengan one-group pretest-posttest, penelitian melibatkan 28 siswa kelas X di SMAS Katolik Villanova Manokwari. Hasil penelitian menunjukkan peningkatan signifikan pada nilai rata-rata pretest (42,29) menjadi posttest (75,29). Analisis statistik dengan uji-t menunjukkan nilai sig. 0,000 (< 0,05), yang mendukung hipotesis bahwa TPS memiliki pengaruh signifikan terhadap hasil belajar. N-Gain sebesar 0,61 (kategori sedang) menunjukkan peningkatan hasil belajar yang baik, dengan kontribusi TPS sebesar 78%. Model TPS terbukti efektif dalam mendukung pembelajaran berbasis siswa, meningkatkan keterampilan berpikir kritis, dan mendukung prinsip-prinsip Kurikulum Merdeka. Penelitian ini memberikan rekomendasi untuk penerapan model TPS secara lebih luas pada materi lainnya dan mendorong pengembangan strategi pembelajaran yang inovatif di era pendidikan modern.
Analysis and Training of Innovative Learning through the Use of the Irydium Application in Basic Chemistry Practicum Ramadhani, Sitti Fatimah; Islam, Muhammad Fajar; Parubak, Apriani Sulu
Jurnal Inovasi Pembelajaran Kimia (Journal of Innovation in Chemistry Education) Vol. 7 No. 2 (2025): OCTOBER 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The development of technology in education, particularly in chemistry education, demands innovation in laboratory activities to enhance their effectiveness and efficiency. One such innovation is the Irydium Application, a digital-based platform for basic chemistry practicum. This study aims to determine the effectiveness of using the Irydium Application among students of the Chemistry Education Study Program who have completed the School Field Introduction Program (Pengenalan Lapangan Persekolahan/PLP). The research began with a training session on the use of the Irydium Application prior to data collection. A descriptive qualitative method was employed, with data collected through interviews, surveys, and observations to obtain a comprehensive understanding of the changes and impacts associated with the application’s use in basic chemistry practicum activities. The results show that the Irydium Application is highly needed by PLP students to support laboratory practices in schools. However, students were only introduced to this application after the training. Students also agreed that the Irydium Application is easy to install and operate, and it can significantly enhance the effectiveness of chemistry practicum activities in schools. Therefore, the integration of the Irydium Application can serve as an innovative and technology-based approach to improving chemistry learning and practicum experiences.
Co-Authors Achmad Rante Suparman, Achmad Rante Febiartaty, Riska Apolonia Islam, Muhammad Fajar Khasanah, Uli Fitrotul Larasati, Christiana Niken Prastika, Etni Dewi Rahajaan, Endah Tifani Ramadhani, Sitti Fatimah Surbakti, Putri Sarera Tuapatinaya, Ricki Yogaswara, Radite