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All Journal Journal of Education and Learning (EduLearn) Jurnal Pendidikan IPA Indonesia Indonesian Journal of Mathematics and Natural Sciences Abdimas Jurnal Inovasi Pendidikan Kimia Jurnal Penelitian Pendidikan Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Journal of Natural Sciences and Mathematics Research Phenomenon : Jurnal Pendidikan MIPA Chemistry in Education Indonesian Journal of Chemical Science Unnes Science Education Journal Chemistry in Education
Kasmui -, Kasmui
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Anti Bacterial Activity of Fungi TIF-1 as Saponin Producer Willy Tirza Eden; Ersanghono Kusumo; Eko Budi Susatyo; Kasmui Kasmui
Journal of Natural Sciences and Mathematics Research Vol 2, No 2 (2016): December
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (790.559 KB) | DOI: 10.21580/jnsmr.2016.1.2.1660

Abstract

Treatment of microbial resistance is one of humankind's greatest challenges in terms of fight against infectious diseases. One way to overcome microbial resistance is discovery of potent new antimicrobial compounds against variety of microbial pathogens. Land is one potential source of microorganisms. This study aims to screen in order to get a fungal strains isolated from soil exposed to waste the pharmaceutical industry which possess antibacterial activity. Antibacterial activity test conducted on two types of bacteria, namely Staphylococcus aureus as Gram-positive bacteria and Escherichia coli as Gram-negative bacteria. The test results can be known isolates of fungi which has potential as an antibacterial, for then these are fermented for 10 days. Fermented then partitioned by using ethyl acetate. Initial screening showed that the fungi code TIF-1 as the most active fungi. Ethyl acetate soluble fraction was then identified the active compounds using thin layer chromatography method with various reagent spray. Bioautografi test results show that the saponins which play role in the antibacterial activity. ©2016 JNSMR UIN Walisongo. All rights reserved.
Android-Based Mobile Learning Application Design: Its Implementation and Evaluation for Aiding Secondary School Students' to Study Inorganic Compound Nomenclature Kurniawan, C.; Dhiyaulkhaq, M.; Wijayati, N.; Kasmui, K.; Nasekhah, D.; Ismail, M. H.
Jurnal Pendidikan IPA Indonesia Vol 11, No 3 (2022): September 2022
Publisher : Program Studi Pendidikan IPA Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v11i3.38243

Abstract

Inorganic compound nomenclature is one of the most basic concepts in chemistry. Therefore, for students, correct naming of the chemicals is essential before learning advanced chemistry. However, nomenclature as a learning topic consists of rules and thus requires frequent practice. Tenth graders will face difficulties if they have remember thousands of the chemicals' names. The objective of this research is to develop and validate the effectiveness of android-based learning media to help students in learning chemical compound nomenclature. In order to meet the goal, this study was conducted in stages; they are (1) information collection, (2) planning, (3) product draft development, (4) small-scale trials, (5) product revisions, and (6) large-scale trials. The effectiveness of the examined mobile-app was measured using post-test questions, resulting in 87.88% student completion. Furthermore, since experts have been in agreement concerning the validity of the examined mobile app – both the content and the media, the app can be used for learning process.
Unpaid Application-Based Learning Video Production with Teachers Harjito, Harjito; Kadarwati, Sri; Nuswowati, Murbangun; Kasmui, Kasmui; Asmorowati, Dian Sri; Mubarak, Dinda Halimah Agrifani; Damayanti, Yosephine Debbie; Rohmah, Rojaa Maysa
Jurnal Abdimas Vol 27, No 2 (2023): December 2023
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/abdimas.v27i2.44321

Abstract

Students at SMA Negeri 1 Subah, Batang Regency, Central Java, in the post-pandemic era , need auxiliary media that can be widely accessed , are timeless , and are needed to support face-to-face learning in class, such as learning videos . Auxiliary media This can developed and produced alone by the teacher without must relying on digital platforms such as YouTube. However, only a small number of teachers at SMA Negeri I Subah have been able to develop and produce learning videos. Because yes , activities This aim For accompany all the teachers subjects at SMA Negeri 1 Subah for develop and produce learning videos through systematic and comprehensive steps. This activity includes several important stages, namely: (1) recognizing and compiling learning video scripts, (2) practicing the basics of Open Broadcaster Software (OBS), (3) producing videos based on scripts, (4) modifying learning videos into interactive videos using H5P, and (5) dissemination of results. This activity ends with an assessment and evaluation of the learning videos produced at the end of the activity and the overall implementation of the activity. The results of this activity show that the number of teachers is capable develop and produce learning videos experience improvement , though Not yet significant . Learning videos produced by teachers have been fulfil terms , though Still need improved the quality . Motivation and support from schools and parties related need improved so that teachers continue enthusiastic produce quality learning video products.
Penerapan Model Pembelajaran Berbasis Masalah Berbantuan Media QuizWhizzer dalam Meningkatkan Pemahaman Konsep Siswa pada Materi Larutan Penyangga Laeli, Rahmi Nur; Kasmui, Kasmui
Jurnal Inovasi Pendidikan Kimia Vol 18, No 1 (2024): January 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jipk.v18i1.47197

Abstract

Ilmu kimia khususnya materi larutan penyangga mencakup banyak konsep abstrak yang membutuhkan pemahaman bertahap dan lebih mendalam. Oleh sebab itu, kemampuan memahami suatu konsep menjadi elemen yang sangat penting untuk diperhatikan dalam proses pembelajaran. Penelitian ini bertujuan untuk mengetahui dan menganalisis ada tidaknya peningkatan pemahaman konsep siswa kelas XI SMA Negeri 15 Semarang dalam penerapan model pembelajaran berbasis masalah berbantuan media QuizWhizzer pada materi larutan penyangga. Penelitian kuantitatif ini menggunakan pendekatan quasi experimental dan desain nonequivalent control group. Teknik cluster random sampling digunakan untuk mengambil sampel sehingga didapatkan kelas XI MIPA 5 sebagai kelas eksperimen dan XI MIPA 3 sebagai kelas kontrol. Kelas eksperimen dikenai pembelajaran berbasis masalah berbantuan media QuizWhizzer sedangkan kelas kontrol hanya pembelajaran berbasis masalah. Pengumpulan data dilakukan dengan observasi, tes tertulis berupa pretest dan posttest, serta dokumentasi. Soal pretest dan posttest melewati beberapa pengujian seperti uji validitas, uji reliabilitas, uji tingkat kesukaran, dan uji daya pembeda butir soal menggunakan analisis Rasch Model. Hasil uji hipotesis memperoleh nilai signifikansi kurang dari 0,05.  Hasil uji N-Gain menunjukkan bahwa peningkatan pemahaman konsep siswa kelas eksperimen (0,67) lebih baik daripada kelas kontrol (0,56). Simpulan yang diperoleh dari penelitian ini yaitu terdapat peningkatan pemahaman konsep siswa dalam penerapan model pembelajaran berbasis masalah berbantuan media QuizWhizzer pada materi larutan penyangga.
Design of a Chemistry Learning on Android Media (CHEMONDRO) Assisted by Articulate Storyline to Improve Students’ Motivation and Learning Outcomes in Green Chemistry Zalfa Dwirakhma Saharani; Kasmui, Kasmui
Chemistry in Education Vol. 14 No. 1 (2025): Chemistry in Education
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/chemined.v14i1.29776

Abstract

This study aims to design a creative and innovative Android-based chemistry learning media, Chemistry Learning on Android (CHEMONDRO), supported by Articulate Storyline to enhance students’ motivation and learning outcomes, particularly in the topic of green chemistry. The research employs the Research and Development (R&D) method using the Four-D (4D) development model, which was simplified into Three-D (3D): Define, Design, and Develop. The feasibility, effectiveness, and user responses toward the media were the main considerations in this study. CHEMONDRO was validated by experts in both content and media, with results showing a material expert validation score of 97.66%, media expert validation of 97.62%, and teacher validation of 92.86%, indicating a very high level of feasibility. The learning outcome improvement was analyzed using the N-Gain test, which resulted in an average N-Gain of 0.70 and 0.79, categorized as moderate and high improvement. In addition, affective and psychomotor domains of the students showed very good results. Readability testing in a small group reached 95.10%, while the implementation feasibility scored 93.89%. Large-scale student responses showed a very positive result of 94.46%. Based on these findings, CHEMONDRO is considered highly feasible, effective, and well-received as a media tool to support chemistry learning and improve student engagement and outcomes, particularly in green chemistry material.
Co-Authors Abdul Aziz Rifai, Abdul Aziz Afriantono, Harris Agung Tri Prasetya Agustina, Lestari Aliyah, Ana Aminatul Antonius Tri Widodo Aprilia, Nurkintan Ariyanti, Widia Astuti, Pudji Bambang Subali Cahya Wulandari Damayanti, Yosephine Debbie Dewi, N. R. Dhiyaulkhaq, M. Dian Sri Asmorowati Didik Nugraheni, Didik Eko Budi Susatyo Ella Kusumastuti, Ella Elsa Ari Astuti Endah Peniati Endang Susilaningsih Ersanghono Kusuma Ersanghono Kusumo Ersanghono Kusumo, Ersanghono Fadloli, Muhammad Fatmala, Cici Febriana, Zerlinda Fitria Fitria Fitriyaningsih, Afi FK Nisa, FK Grandys Perwira, Grandys Harjito - Harjono Harjono Hepi Endrias, Hepi Ika Devia Nursetiana, Ika Devia Ismail, M. H. Janah, Mely Cholifatul Kasmadi Imam Supardi Khotto, Yuniar Firgin Nakiyatul Khotto, Yuniar Firgin Nakiyatul Kibtiyah Sri Rahayu, Kibtiyah Sri Kristiyana, Kristiyana Kurniawan, C. Laeli, Rahmi Nur Lailatul Isnaeni, Lailatul Lestari, Nanda Ayu Lestariningtias, Lies M. NOOR M. W. Syahroni, M. W. Mawaddah, Ita Moh Syaifudin, Moh Mubarak, Dinda Halimah Agrifani Muharomah, Nur'aini Murbangun Nuswowati N. R. Dewi Nanda Mahmudi, Nanda Nanik Wijayati Nasekhah, D. Nuni Widiarti Nurchasanah, Nurchasanah Nurdiani, Arida Nurwachid Budi Santosa, Nurwachid Budi Nuryanto Nuryanto Oktaviana, Delta Rahayu, Kibtiyah Sri Rahayu, Surti Rahma Ditasari, Rahma Ratna Prasetyowati, Ratna Ria Rahmawati Rohmah, Rojaa Maysa Rosyada, Fattya S. B. W. Kusuma, S. B. W. Samuel Budi Wardana Kusuma, Samuel Budi Wardana Saptorini Saptorini, Saptorini Sarwi - Sembiring, Rinawati Setiawan, Aput Setiyoningtyas, Riska Sigit Priatmoko Sri Haryani Sri Kadarwati Sri Sukaesih Sri Susilogati Sumarti Sri Wahyuni SRI WARDANI Sriwijayanti, Nafiroh Subiyanto Hadisaputro, Subiyanto Sudarmin Sudarmin Sulistyono, Ahmad Sulistyono, Ahmad Suryana, Olin Amin Suryana, Olin Amin Susilaningsih, Endang Syahroni, M. W. Widi Widayat Wijayati, N. Wildana, Maula Najikh Willy Tirza Eden, Willy Tirza Wulandari, Hepi Zalfa Dwirakhma Saharani