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All Journal Pendidikan Bahasa Inggris As-syifaa Jurnal Farmasi Jurnal Penelitian Farmasi Indonesia Scientific Journal of Reflection : Economic, Accounting, Management and Business JOPS (Journal Of Pharmacy and Science) PHARMACY: Jurnal Farmasi Indonesia (Pharmaceutical Journal of Indonesia) JURNAL TUNAS PENDIDIKAN Jurnal Pengabdian Masyarakat Jurnal Sains dan Kesehatan Journal of Pharmascience
Nofriyanti Nofriyanti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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PENINGKATAN HASIL BELAJAR EKONOMI MENGGUNAKAN MODEL PEMBELAJARAN TALKING STICK: PENINGKATAN HASIL BELAJAR EKONOMI MENGGUNAKAN MODEL PEMBELAJARAN TALKING STICK nofriyanti, nofriyanti
Jurnal Tunas Pendidikan Vol. 4 No. 1 (2021): JURNAL TUNAS PENDIDIKAN
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/pgsd.v4i1.609

Abstract

The background of this research is the low student learning outcomes caused by an inappropriate learning approach. The process carried out in class is also less enjoyable, causing the learning outcomes and learning process of students in class IX SPM Negeri 04 Bungo. So with this problem, the researchers conducted research using the Talking Stick model. This type of research is classroom action research which consists of four stages, namely planning, action, observation and reflection, which is carried out collaboratively between practitioners and observers. The research was conducted at SMPN 04 Bungo. The subjects of this study were 36 students of class IX.5. The research was carried out for 2 cycles. Each cycle consists of 2 meetings. The results of the research are: 74.07 in the first cycle to 78.32 in the second cycle 1 so the Talking Stick model can improve student learning outcomes.
OPTIMASI DAN UJI AKTIFITAS ANTIOKSIDAN FORMULA TONER MINYAK DAUN SIRIH HIJAU (Piper betle L.) Nesa Agistia; Benni Iskandar; Nofriyanti Nofriyanti
Journal of Pharmascience Vol. 13 No. 1 (2026): Jurnal Pharmascience
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jps.v13i1.23886

Abstract

Exposure to free radicals can damage the skin. Green betel leaf oil, which has antioxidant activity, can be formulated into a toner. This study aimed to determine the optimal toner formula and  to evaluate its antioxidant activity. Optimization was performed using a factorial design with two factors: Tween 80 and PEG 400 concentrations. The optimum formula, determined with Design Expert 13, consisted of 10% Tween 80 and 5% PEG 400, with a predicted pH of 5.66 and 99% transmittance. Validation using a One-Sample T-Test showed no significant difference (p > 0.05) between the predicted and actual results. The optimized toner had a pH of 5.69, a transmittance of 99.2%, a particle size of 12.2 nm, and very strong antioxidant activity (IC50 = 43.29 µg/mL). In this research, an optimum toner formula was obtained which has good physical properties and very strong antioxidant activity. 
Co-Authors Agistia, Nesa Alwiyah Mukaddas Andrea, Kamilah Dzikra Anggraini, Hadistri Sekar Azzahra, Fayza Salwa BENNI ISKANDAR Ditta Heriani Elmiati Elmiati Fazira, Intan Febbyola, Flara Fina Aryani, Fina Finatariani, Endah Husnawati Husnawati Iin Rosini Ingrid Faustine M Almurdani Milianty, Jesy nesa agistia Pratama, Hafizh Yandi Rahayu Utami Ratna Sari Dewi Ratna Sari Dewi Salsabila, Helmaria Putri Septi Muharni Sirait, Indri Hotma Novida Wahidah, Lutfiana Nurul Wilda Wildani Winda Sari Wira Noviana, Wira Noviana