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All Journal Indonesian Journal of Pharmaceutical Science and Technology ISTIFHAM
Rahmasari, Yuni
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Religion Humanities Computer Science & IT Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Social Sciences

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Comparison Of Learning Results Using Time Token Learning Model With Talking Chips Assisted With Flashcard Media Students Rahmasari, Yuni; Abdi, Abdul Wahab; Putri Afriyani, Mice
ISTIFHAM Vol 2 No 2 (2024)
Publisher : Seutia Hukamaa Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71039/istifham.v2i2.46

Abstract

The time token learning model is a type of learning characterized by time marks or time limits. Talking chips, namely learning carried out in small groups, each member brings several objects or signs that function to mark when they have an opinion by inserting a sign in one place. Flashcard media is visual learning media that contains words, images, or a combination thereof. This research compares geography learning outcomes using the Time Token learning model with the Talking Chips model assisted by Flashcard media for students at SMA Negeri 3 Kuala, Nagan Raya Regency. This research uses a quantitative approach with a Quasi-Experimental Design type of research. The samples in this study were class X IPS 1 students as experimental class I and class X IPS 2 students as experiment II. Research data collection uses tests. Analysis of this research data uses normality, homogeneity and hypothesis testing. Based on the results of the data analysis, it is known that the data is regular and homogeneous. Furthermore, the hypothesis test results obtained a t count value of 2.268 > t table 1.671. Based on the t count and t table values, it is known that t count > t table so that Ha is accepted. So, it is concluded that the learning outcomes of students taught using the Time Token learning model assisted by Flashcard media are better than the learning outcomes of students taught using the Talking Chips learning model assisted by Flashcard media in class X geography subjects at SMA Negeri 3 Kuala, Nagan Raya Regency.
The Development of Nano-mist Spray Propolis as Antioxidant Suryaman, Ine Suharyani; Sulastri, Lela; Rizikiyan, Yayan; Wathoni, Nasrul; Suhandi, Cecep; Noviani, Lusy; Rahmasari, Yuni
Indonesian Journal of Pharmaceutical Science and Technology Vol 12, No 2 (2025)
Publisher : Indonesian Journal of Pharmaceutical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/ijpst.v12i2.52433

Abstract

Propolis is a lipid-based compound from honeybees composed of plant wax, resin, and pollen. Due to its poor water solubility, its application is limited to lipid-based formulations with low bioavailability. This study aimed to develop a water-based propolis nano-mist spray with improved dispersion and evaluate its antioxidant activity. The nano-mist formulation was prepared using soy lecithin and Tween 80 in a phosphate buffer base. Evaluations included organoleptic characteristics, pH, particle size, zeta potential, and antioxidant activity by DPPH method. The propolis extract contained flavonoids, alkaloids, and tannins. The resulting spray showed a light brown color, a pH of 6.87 ± 0.03, particle size of 272.13 ± 4.25 nm, and zeta potential of -0.433 ± 0.35 mV. Antioxidant testing revealed moderate activity with an IC₅₀ value of 83.63 ± 11.88 ppm. This study supports the potential of nano-mist spray as a promising delivery system for propolis with antioxidant properties suitable for cosmetic and pharmaceutical applications.
Co-Authors Abdul Wahab Abdi, Abdul Wahab Afriyani, Mice Putri Lela Sulastri, Lela Nasrul Wathoni Noviani, Lusy Suhandi, Cecep Suryaman, Ine Suharyani Yayan Rizikiyan