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All Journal Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education)
Azlan Kamari
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Agriculture, Biological Sciences & Forestry Chemistry Education Mathematics Physics

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PREPARATION OF LAYERED MATERIAL Zn/Al-LAYERED DOUBLE HYDROXIDE-FERULATE NANOCOMPOSITES Zuhailimuna Muda; Norhayati Hashim; Illyas Md Isa; Noorshida Mohd Ali; Suriani Abu Bakar; Azlan Kamari; Azmi Mohamed
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 13 No. 2 (2016): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (773.31 KB) | DOI: 10.31851/sainmatika.v13i2.1001

Abstract

A new layered material-drug nanocomposite namely, Zn/Al-layered double hydroxide-ferulate (Zn/Al-LDH-FA) has been synthesized using the ion exchange method. PXRD pattern and elemental analysis showed that Zn/Al-LDH-FA nanocomposite yielded high crystalline and pure phase material with a basal spacing of 17.4 Ã… and anion loading of 35.9 % respectively. The FTIR spectra reveal the presence of FA in the interlayer of Zn/Al-LDH, while the thermal analysis shows that the Zn/Al-LDH has enhanced the thermal stability of FA in the interlayer compared to its pure form. Anionic FA intercalated into the interlayer of Zn/Al-LDH as vertical monolayer with the carboxylate groups pointing towards the Zn/Al-LDHs layers. The intercalation of FA into the interlayer of Zn/Al-LDH is also supported by morphology analysis, FESEM.Keywords: Synthesis, Intercalation, Layered Double Hydroxide, Ferulic AcidABSTRAKSebuah bahan-obat berlapis nanokomposit baru yaitu, Zn/Al-berlapis ganda hidroksida-ferulate (Zn/Al-LDH-FA) telah disintesis dengan menggunakan metode pertukaran ion. Pola PXRD dan analisis unsur menunjukkan bahwa Zn/Al-LDH-FA nanokomposit menghasilkan kristalinitas tinggi dan material fase murni dengan jarak basal dari 17,4 Ã… dan pemuatan anion 35,9%. Spektrum FTIR mengungkapkan adanya FA di lapisan Zn/Al-LDH, sedangkan analisis termal menunjukkan bahwa Zn/Al-LDH telah meningkatkan stabilitas termal FA di antar lapisan dibandingkan dengan bentuk murninya. Anionik FA diselingi ke dalam interlayer Zn/Al-LDH sebagai monolayer vertikal dengan gugus karboksilat menunjuk ke arah lapisan Zn/Al-LDHs. Interkalasi dari FA ke dalam interlayer Zn/Al-LDH juga didukung oleh analisis morfologi, FESEM.Kata kunci: Sintesis, interkalasi, hidroksida berlapis ganda, asam ferulic
Argument-Driven Inquiry Model in Chemistry Learning: A Systematic Review Siti Dzakiya Romadhoni; Sri Atun; Azlan Kamari
Jurnal Pendidikan Sains Indonesia Vol 13, No 4 (2025): OCTOBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v13i4.47853

Abstract

Argument driven inquiry (ADI) model is an instructional learning model that combines argumentation with inquiry-based learning. The ADI model allows students to argue actively in the learning process. Previous research studies have found that the ADI model is widely applied in the field of chemistry. This study aims to systematically synthesize research acles related to the ADI model that focus on independent and dependent variables, chemical concepts, and conclusions in chemistry learning. This study uses the systematic literature review (SLR) method for 22 articles from the google scholar, ERIC (education resources information center) and scopus databases in the period 2016- 2025. Search through relevant keyword patterns, namely "ADI" and "chemistry education", index, title and abstract. The findings show that: 1) The dependent variables that are widely studied place the ADI model as a learning model, laboratory instructions, and levels in the inquiry method and the independent variables appear in the cognitive aspect, 2) The majority of study articles focus on the chemical concept of chemical equilibrium, 3) Most studies on the ADI model state that the ADI model is able to provide a positive influence or increase in learning competence in chemistry learning
Co-Authors Azmi Mohamed Illyas Md Isa Noorshida Mohd Ali Norhayati Hashim Siti Dzakiya Romadhoni SRI ATUN Suriani Abu Bakar Zuhailimuna Muda