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All Journal CHEMPUBLISH JOURNAL Jurnal Ilmiah Kanderang Tingang NU-JST
Anggraeni, Maya Erliza
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Materials Science & Nanotechnology

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Analisis Kesulitan Siswa dalam Memahami Konsep Hukum-Hukum Dasar Kimia (Systematic Review) Sihaloho, Takeshi; Sidauruk, Suandi; Anggraeni, Maya Erliza
Jurnal Ilmiah Kanderang Tingang Vol 15 No 2 (2024): Jurnal Ilmiah Kanderang Tingang
Publisher : FKIP Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jikt.v15i2.230

Abstract

This study aims to describe and summarize the results of analyses on students' difficulties in understanding the concepts of fundamental laws of chemistry. The research employs a systematic review method. The sample consists of theses related to students' difficulties in understanding the concepts of fundamental laws of chemistry. Data collection was carried out using documentation techniques by searching and gathering thesis documents, selecting theses for analysis, and determining the research data to be analyzed. The results of the study indicate that students' difficulties in understanding the concepts of fundamental laws of chemistry are as follows: (1) The findings from FY-22 reveal more student difficulties compared to YM-16 and NS-22. (2) In chemical reactions, students assume that the total mass of substances before the reaction changes or is not equal to the total mass of substances after the reaction. Students believe that determining the mass of reaction products is done by summing the mass ratios of the elements without considering the remaining substances, causing the mass ratios of the elements to vary. (3) Students think that the mass ratio of elements forming more than one compound is not fixed and is not a simple whole number. (4) Students assume that determining the volume ratio is based on indices and by summing the coefficients of the reaction equation. (5) Students believe that the forming elements in a reaction have the same volume ratio and that the volume of reacting gases is equal to the mass of the gases involved in the reaction. (6) These findings emphasize the need for targeted strategies to address these conceptual misconceptions in teaching fundamental laws of chemistry.
Analisis Kebutuhan Pengembangan e-LKPD Pembelajaran Berdiferensiasi Pada Konsep Asam-Basa Anggraeni, Maya Erliza; Abudarin, Abudarin; Sadiana, I Made; Fatah, Abdul Hadjranul; Asi, Nopriawan Berkat
Jurnal Ilmiah Kanderang Tingang Vol 15 No 2 (2024): Jurnal Ilmiah Kanderang Tingang
Publisher : FKIP Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jikt.v15i2.339

Abstract

This study aims to analyze the need for the development of differentiated learning-based e-Worksheet (e-LKPD) on the acid-base concept at SMA Negeri 2 Palangka Raya. Differentiated learning allows teachers to present materials and assessments tailored to students' varying abilities and learning styles. The research method used is qualitative descriptive, with data collection techniques including questionnaires, interviews, and observations involving teachers and students. The results show that teachers need a comprehensive, interactive, and flexible e-LKPD with adjustable content and exercises of varying difficulty levels. Students desire a visually appealing e-LKPD that is easily accessible across multiple devices and includes interactive features and instant feedback. In conclusion, the development of a differentiated learning-based e-LKPD is essential for improving the effectiveness of teaching the acid-base concept, supporting individual differences among students, and facilitating active engagement in learning.
Analisis Kualitatif Kesalahan Konseptual Senyawa Ionik dan Senyawa Kovalen dalam Argumentasi Mahasiswa pada Laporan Praktikum Kimia Dasar Ni'mah, Fatchiyatun; Sari, Anggi Ristiyana Puspita; Anggraeni, Maya Erliza; Theasy, Yoan
Jurnal Ilmiah Kanderang Tingang Vol 15 No 2 (2024): Jurnal Ilmiah Kanderang Tingang
Publisher : FKIP Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jikt.v15i2.344

Abstract

Understanding the concept of ionic and covalent compounds is a fundamental foundation in basic chemistry education, as these concepts underpin the structure, properties of compounds, and their applications in daily life. Misconceptions about ionic and covalent bonding are common and negatively impact students' ability to analyze compound properties, critical thinking skills, and scientific argumentation. On the other hand, Generation Z demonstrates weaknesses in deeply reflecting on conceptual errors, as evident in basic chemistry lab reports. Lab reports can reveal both the depth of understanding and the patterns of conceptual errors experienced by students. This study aims to analyze students' conceptual errors related to ionic and covalent compounds in Basic Chemistry I lab reports. The research employs a case study method with a qualitative descriptive approach. The researcher acts as an instrument to assess students' conceptual errors by discussing their lab reports. The findings reveal three conceptual errors in the sub-topic of melting point comparison and five conceptual errors in the sub-topic of solubility.
Potential of Organometallic Complex Compounds as Anticancer Drugs: A Review Ardhani, Zaliari Nafisa; Pasaribu, Marvin Horale; Prisnanda, Risky; Anggraeni, Maya Erliza; Iqbal, Rendy Muhamad
Chempublish Journal Vol. 8 No. 1 (2024): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v8i1.31409

Abstract

Cancer is one of the deadliest diseases in the world. Currently, there are various types of anticancer drugs that are used to treat cancer, but they still have various side effects that can interfere with the quality of life of patients. Organometallic complexes (OCOs) are chemical compounds consisting of metal atoms bonded to carbon atoms. OCOs have various potential to be used as anticancer drugs, including their ability to specifically target cancer cells, inhibit cancer cell growth, and reduce the side effects of other anticancer drugs. The mechanism of action of OCOs involves interactions with nucleophilic molecules within the cell, including DNA, RNA, and proteins, as well as the formation of additional platinum products. In this review, we will discuss organometallic compounds that can function as anticancer drugs, such as platinum, ruthenium, iron, carboplatin, and oxaliplatin, which have been shown to be effective in fighting cancer. We will also discuss the mechanism of action of these compounds in cancer cells and the types of cancer cells that can be treated with organometallic compounds.
Review Artikel: Inovasi Keramik Berbasis Organosilikon: Polymer-Derived Ceramics (PDCs) Savitri, Afridha Cita; Wati, Laely Septiya; Nanda, Nanda; Nurliani, Navila; Anggraeni, Maya Erliza; Pasaribu, Marvin Horale
Nusantara Journal of Science and Technology Vol 1 No 1 (2024): Terbit pada Bulan Mei Tahun 2024
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) Universitas Nahdlatul Ulama Kalimantan Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69959/nujst.v1i1.10

Abstract

Innovation and modern methods in ceramic production, as a transition from conventional/traditional methods, are needed to improve production efficiency and quality. One innovation in the ceramic industry is the polymer-derived ceramic (PDC) technology with the utilization of organosilicon compounds. PDCs are ceramics derived from preceramic organosilicon polymer precursors, which are generally divided into polysiloxane, polycarbosiloxane, polycarbosilane, polysilycarbodimiides, polysilazane, polyborosilazanes, polyborosilanes, and polyborosiloxanes. The transformation of organosilicon polymers into ceramics is carried out through four stages: shaping, cross-linking, pyrolysis, and ceramization. PDCs have high-temperature resistance properties, making them suitable for various applications in extreme environments. The forms of PDC applications are as semiconductors, sensors, coating/membranes, and fibers.
Co-Authors Abudarin, Abudarin Ardhani, Zaliari Nafisa Asi, Nopriawan Berkat Fatah, Abdul Hadjranul I Made Sadiana, I Made Iqbal, Rendy Muhamad Marvin Horale Pasaribu Nanda Nanda Ni'mah, Fatchiyatun Nurliani, Navila Prisnanda, Risky Sari, Anggi Ristiyana Puspita Savitri, Afridha Cita Sihaloho, Takeshi Suandi Sidauruk Theasy, Yoan Wati, Laely Septiya