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Lantanida Journal
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 23563133     EISSN : 25489062     DOI : -
Core Subject : Science, Education, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Education
Lantanida Journal is an, scientific journal open-access containing results research, literature reviews and recent news on science and technology in the areas of educational learning and learning development. This journal is formed from the initiative of Leaders Chemistry departmen, lecturers, staff, alumni and students of Chemistry Education Department UIN Ar-Raniry Banda Aceh.
Arjuna Subject : -
Articles 193 Documents
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FORMULASI SEDIAAN MASKER GEL DARI PATI JAGUNG MANIS (Zea mays saccharata) Apriani, Aida; Nurfadhilah, Ika; Sirait, Tri Susanti; Azhari, Saiful; Samaniyah, Siti
Lantanida Journal Vol 12 No 2 (2024)
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/lj.v12i2.28462

Abstract

Corn is a popular ingredient in facial skin care products. Corn contains thiamine, which can dry wounds and eliminate acne scars that appear as holes on the face or black spots. Corn starch is made into a gel mask with the gelling ingredient hidroxy prophyl methyl cellulose (HPMC). This research intends to establish if a gel mask manufactured from sweet corn starch (Zea mays saccharata) can meet the requirements of the physical quality test assessment results, as well as the stability requirements. The research approach is experimental, employing a sample gathering methodology known as purposive sampling. The evaluation of gel mask preparations includes evaluating the physical quality of the preparations, irritant testing on 10 participants, and drying time tests on the preparations. The evaluation of the preparations revealed that all gel mask formulations were semi-solid gels with a yellowish white color and a distinct corny smell. The results were homogeneous, with an average pH of 7.5–7.7, spreadability of 5–7 cm, and viscosity of 22133-67566. The preparation also exhibited stable stability at room temperature and did not irritate volunteers' skin. Therefore, both the stability requirements and the physical quality test assessment results are satisfied by the preparation.
PENGEMBANGAN E-LKPD KALORIMETRI BERBASIS PROBLEM BASED LEARNING (PBL) MENGGUNAKAN LIVEWORKSHEETS Syarani, Meylina; Suharman, Andi; Sanjaya, Sanjaya
Lantanida Journal Vol 13 No 2 (2025): July-December 2025: In Press ....
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/gppk9m88

Abstract

The lack of interactive teaching materials and students' difficulties in understanding concepts and calculations in calorimetry prompted the development of e-LKPD based on Problem-Based Learning (PBL) using Liveworksheets for class XI.1 students at Srijaya Negara High School, Palembang. This study aims to produce a valid, practical, and effective e-LKPD. The development follows the ADDIE model and includes Tessmer's formative evaluation stages: self-evaluation, expert review, one-to-one, small group, and field test. Data was collected through interviews with chemistry teachers, a needs analysis questionnaire administered to 35 students, a walkthrough with two experts who assessed the content, design, and pedagogical aspects, a practicality questionnaire administered to three students in the one-to-one stage and nine students in the small group stage, as well as pre-tests and post-tests administered to all 35 students. The validity test results showed an average validity score of 0.99, which falls into the very high category. The practicality of the e-LKPD in the one-to-one stage was 89.33% and in the small group stage was 91.82%. The effectiveness test results showed an N-Gain value of 0.80, which falls into the high category. Therefore, this e-LKPD is deemed valid, practical, and effective in enhancing students' understanding and engagement in calorimetry learning.
PENGEMBANGAN MODUL SUSTAINABLE PROJECT-BASED LEARNING (S-PjBL) BERBANTUAN AUGMENTED REALITY SEBAGAI INOVASI PEMBELAJARAN GREEN CHEMISTRY BAGI CALON GURU KIMIA Prasetya, Cyndi; Maisarah; Qumarani, Yara; Fahira, Nazihan; Wahyuni, Naila
Lantanida Journal Vol 13 No 2 (2025): July-December 2025: In Press ....
Publisher : UIN AR-RANIRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/q2ca1y12

Abstract

Pembelajaran Green Chemistry memiliki peran penting dalam membentuk kesadaran lingkungan dan sikap berkelanjutan pada calon guru kimia. Namun, implementasinya di perguruan tinggi sering terkendala oleh keterbatasan bahan ajar yang kontekstual, interaktif, dan mampu memvisualisasikan konsep abstrak secara menarik. Penelitian ini bertujuan mengembangkan modul pembelajaran berorientasi Sustainable Project-Based Learning (S-PjBL) berbantuan Augmented Reality (AR) pada materi Green Chemistry untuk meningkatkan kualitas proses pembelajaran. Penelitian ini menggunakan metode Research and Development (R&D) dengan model ADDIE yang mencakup tahap Analisis, Desain, Pengembangan, Implementasi, dan Evaluasi. Partisipan penelitian adalah mahasiswa Program Studi Pendidikan Kimia di salah satu LPTK di Aceh. Instrumen pengumpulan data meliputi lembar validasi ahli materi dan media, angket respons pengguna, serta tes hasil belajar. Hasil validasi menunjukkan tingkat kelayakan sangat tinggi dengan persentase rata-rata validasi ahli materi sebesar 92,5% dan ahli media sebesar 91,8%. Uji kepraktisan melalui respons dosen dan mahasiswa menunjukkan kategori sangat praktis. Temuan ini mengindikasikan bahwa modul S-PjBL berbantuan AR layak dan praktis, digunakan dalam pembelajaran Green Chemistry di tingkat perguruan tinggi.

Page 20 of 20 | Total Record : 193

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