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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) Jurnal Pendidikan Kimia Indonesia Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Jurnal Pendidikan Matematika dan IPA Pharmaciana: Jurnal Kefarmasian Jurnal Inovasi Pendidikan Kimia Biology, Medicine, & Natural Product Chemistry EduChemia: Jurnal Kimia dan Pendidikan QUANTUM: Jurnal Inovasi Pendidikan Sains Jurnal Kimia Riset Jurnal Pendidikan Dasar Jurnal Penelitian Pendidikan IPA (JPPIPA) ALCHEMY Jurnal Penelitian Kimia EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA Indonesian Journal of Pure and Applied Chemistry PENDIPA Journal of Science Education SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Cetta: Jurnal Ilmu Pendidikan JURNAL EKSAKTA PENDIDIKAN (JEP) JURNAL EDUCATION AND DEVELOPMENT Martabe : Jurnal Pengabdian Kepada Masyarakat Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia AR-RAZI Jurnal Ilmiah Jurnal Basicedu EDUKATIF : JURNAL ILMU PENDIDIKAN Jurnal Ilmiah Pendidikan Citra Bakti Jurnal Abdi Insani Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Jurnal Scientia Jurnal Pendidikan Dasar Perkhasa Jurnal Pengabdian kepada Masyarakat Nusantara IJPD (International Journal Of Public Devotion) Hydrogen: Jurnal Kependidikan Kimia CHEDS: Journal of Chemistry, Education, and Science Pharmaceutical Sciences and Research (PSR) Jurnal Basicedu J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Natural Jurnal Pengabdian Pada Masyarakat EduChem JIPI (Jurnal IPA dan Pembelajaran IPA) Jurnal Tumbuhan Obat Indonesia Journal of The Indonesian Society of Integrated Chemistry Jurnal Sains dan Kesehatan Jurnal Ilmiah Pendidikan Citra Bakti
Rini Muharini
PS Pendidikan Kimia Jurusan PMIPA FKIP Universitas Tanjungpura
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Description of Science Literacy Epistemic Knowledge Ability of Chemistry Education Students on the Material of Colligative Properties of Solutions Ulwan, Rahmad; Enawaty, Eny; Muharini, Rini; Hairida, Hairida; Lestari, Ira
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.14230

Abstract

The ability of science literacy epistemic knowledge is a fundamental thing that must be owned by students in facing the global era to be able to meet the needs of life in various situations. Epistemic knowledge can be said to be a more advanced level of knowledge because epistemic knowledge is closely related to the process of knowledge construction. This study aims to determine the science literacy skills of chemistry education students on the material of colligative properties of solutions. The research method used was a descriptive quantitative method. The study used a sample of 25 samples of 6th semester and 4th semester students using purposive samples. Data collection techniques in this study through measurement techniques and direct communication techniques. The research instrument used in this research is a science literacy test that has been modified and adapted to the material of the colligative properties of the solution. The validation used in this study used construct validity and was validated by judgment experts in material and literacy with valid final results. The results of the research on the ability of epistemic knowledge of science literacy of chemistry education students FKIP Untan shown based on the test of science literacy skills with epistemic knowledge of science literacy on indicators explaining the process of scientific phenomena with an average percentage of 75% with sufficient category. Explaining observations of scientific phenomena with an average percentage of 74% with a sufficient category. Concluding scientific phenomena with an average percentage of 69% with a sufficient category. The overall total average of students' science literacy skills is 73.33% with a sufficient category.
PENANAMAN KARAKTER SAINSPRENEUR KEPADA MAHASISWA MELALUI PELATIHAN PEMBUATAN SABUN DARI MINYAK JELANTAH Masriani, Masriani; Putra Sartika, Rody; Enawaty, Eny; Hairida, Hairida; Rasmawan, Rahmat; Muharini, Rini; Syamswisna, Syamswisna; Warsidah, Warsidah; Maryani, Maryani; Fatmadiwi, Anggi; Ramadhan Sailendra, Pingkan; Abdul Hafiz, Iqbal; Aninda, Dea
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 6, No 6 (2023): martabe : jurnal pengabdian kepada masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v6i6.2216-2225

Abstract

Mahasiswa Pendidikan Kimia merupakan mahasiswa calon guru, yang bukan hanya harus terampil mengajar tetapi diharapkan dapat menjadi insan-insan yang memiliki kemampuan wirausaha. Salah satu produk yang bisa dikembangkan untuk berwirausaha adalah sabun. Bisnis sabun dari minyak jelantah memiliki manfaat yang besar, selain memberikan keuntungan finansial juga dapat menyelesaikan masalah lingkungan dan kesehatan  yang bisa diakibatkan oleh minyak jelantah. Kegiatan Pengabdian Kepada Masyarakat ini bertujuan untuk meningkatkan pengetahuan mahasiswa terkait dengan minyak jelantah dan potensinya sebagai bahan baku untuk pembuatan sabun dan meningkatkan keterampilan mahasiswa dalam pembuatan sabun dari minya jelantah. Kegiatan pengabdian masyarakat dilakukan melalui beberapa tahap, yaitu Observasi terkait  penggunaan minyak jelantah, persiapan pelaksanaan PKM, pelaksanaan PKM, dan monitoring, evaluasi serta tindak lanjut.  Hasil observasi terkait penggunaan minyak jelantah menunjukkan bahwa lebih 50%  minyak jelantah dibuang ke lingkungan, hanya sebagian kecil saja yang diolah. Responden  kesulitan mengolah  karena keterbatan alat dan bahan serta kesulitan menghilangkan bau yang tidak sedap.  Pengetahuan tentang cara   menghilangkan bau tengik minyak jelantah, pengaroma yang cocok, dan  prosedur yang tepat untuk pembuatan sabun dari minyak jelantah diinginkan oleh peserta dalam rangka mengolah minyak jelantah menjadi sabun. Pengamatan selama kegiatan pelaksanaan sosialisasi dan pelatihan pembuatan sabun dari minyak jelantah  menunjukkan bahwa peserta sangat antusian mengikuti kegiatan.  Sebanyak 80% peserta menyatakan pelatihan yang dilakukan sangat bermanfaat sehingga mereka berkiinginan untuk memproduksi sendiri sabun dari  minyak jelantah. Diharapkan melalui kegiatan ini dapat menumbuhkan jiwa sainspreneur mahasiswa dan dapat mengatasi permasalahan yang diakibatkan oleh minyak jelantah
Pengembangan Booklet Berbantuan Video Animasi dengan Memanfaatkan QR Code pada Submateri Isomer Konstitusional Utami, Nurzam Indah; Rasmawan, Rahmat; Lestari, Ira; Muharini, Rini; Ulfah, Maria
Jurnal Penelitian Pendidikan IPA Vol 10 No 4 (2024): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i4.5735

Abstract

This research aims to produce a product in the form of a booklet assisted by an animated video by utilizing QR codes on constitutional isomers sub-material to increase student understanding and reduce misconceptions on constitutional isomers. This research method is research and development (R&D) with a 4D development model consisting of the Define, Design, Develop and Disseminate stages. However, this research only reached the Develop stage. The validation data was analyzed using Content Validity Ratio (CVR) and Content Validity Index (CVI), while the student response questionnaire to the product was measured using a Likert scale. The results of product validation from every aspect, both in booklets and animated videos, obtained a CVI value of 0.99 and were declared valid and suitable for use as learning media. Students also gave good responses, which was shown in the initial response test with a percentage of 85% in the good category and in the main response test with a percentage of 84% in the good category.
Analysis of Understanding the Concept of Alkenes through the Three-tier Multiple Choice Diagnostic Test Instrument Selina, Selina; Muharini, Rini; Lestari, Ira; Masriani, Masriani; Rasmawan, Rahmat
Jurnal Penelitian Pendidikan IPA Vol 10 No 6 (2024): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i6.6510

Abstract

The ability of prospective teacher students to master chemistry material will influence the achievement of learning objectives. Alkenes are an important sub material in organic chemistry courses because alkenes are often used as basic ingredients in chemical reactions. This research aims to analyze Untan chemistry education students' understanding of alkene sub materials. The research method used is quantitative descriptive. The research sample consisted of 50 students. The instrument used was Three-Tier Multiple Choice with a total of 10 questions and a semi-structured interview. Before using the instrument, a validity and reliability test was carried out first. The analysis results of students who understand the concept well are only 28.06%, and 6.06% of students understand but are not sure, while the percentage of students who do not understand the concept is 40.21%, and 29.95% of students experience misconceptions.
Utilization of ClassPoint Interactive Media on Organic Chemistry Course Lestari*, Ira; Muharini, Rini; Utami, Nurzam Indah; Fatmala, Fatmala
Jurnal IPA & Pembelajaran IPA Vol 8, No 1 (2024): March 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v8i1.35592

Abstract

This research focuses on utilizing ClassPoint interactive media in learning organic chemistry courses. Interactive media can potentially increase student engagement and understanding of complex material. Organic chemistry is often considered difficult, and students rely on lecturers to understand it. However, the lack of student involvement in the learning process is a problem that needs to be addressed. This research aims to describe student perspectives on the use of ClassPoint in learning organic chemistry, evaluate the effectiveness of ClassPoint in increasing student engagement, and identify the interactive features that students are most interested in. The research involved 53 participants of the Tanjungpura University FKIP Chemistry Education Study Program students who had taken the organic chemistry course. The research results show that the perspective of Chemistry Education students regarding the use of ClassPoint Interactive media is in the strongly agree category with a percentage of 91.55%. The strongly agree category is viewed from 3 aspects, namely the motivation and interest in learning aspect; knowledge and skills aspects; as well as the feature usability aspect, each of which received the strongly agree category. This indicates that ClassPoint interactive media is liked and wants to continue to be used in learning in organic chemistry courses. By utilizing ClassPoint, students become more involved in the learning process, increase understanding, and increase motivation and interest in learning. This research is an important step in optimizing interactive learning media to support more effective and interesting learning of organic chemistry
KEMAMPUAN PEMECAHAN MASALAH PESERTA DIDIK PADA MATERI STOIKIOMETRI IPA Ramadhanti, Nuzul Alya; Enawaty, Eny; Junanto, Tulus; Muharini, Rini; Ulfah, Maria
Jurnal Ilmiah Pendidikan Citra Bakti Vol. 11 No. 3 (2024)
Publisher : STKIP Citra Bakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38048/jipcb.v11i3.2836

Abstract

Penelitian ini dilatar belakangi oleh pentingnya kemampuan pemecahan masalah bagi peserta didik. Penelitian ini bertujuan untuk mendeskripsikan kemampuan peserta didik dalam menyelesaikan permasalahan pada materi stoikiometri. Metode yang digunakan berupa deskriptif kuantiatif dengan menggunakan peserta didik kelas XI IPA 5 SMA Negeri 3 Pontianak yang berjumlah 36 orang sebagai subjek penelitian. Penelitian ini menggunakan teknik pengumpulan data berupa instrumen kemampuan pemecahan masalah yang disesuaikan dengan kemampuan pemecahan masalah Polya dan komunikasi langsung. Alat tes yang digunakan berupa soal tes kemampuan pemecahan masalah berbentuk studi kasus dan pedoman wawancara. Hasil data yang diperoleh dianalisis dengan menggunakan instrumen kemampuan pemacahan masalah yang telah divalidasi. Hasil rata – rata analisis data yang diperoleh dari keempat indikator kemampuan pemecahan masalah pada kelas XI IPA 5 di SMA Negeri 3 Pontianak berkategori sedang dengan nilai 70,32%.
Phytochemical Screening and Antioxidant Activity of Dyera polyphylla (Miq) Steenis Extract Using the DPPH Method Monika, Putri Dharma; Muharini, Rini; Mayasari, Eni
Biology, Medicine, & Natural Product Chemistry Vol 14, No 2 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.142.1069-1076

Abstract

This research aimed to determine the chemical profile and antioxidant activity of the jelutung rawa plant (Dyera polyphylla). Phytochemical screening tests were conducted using specific reagents, thin-layer chromatography (TLC), and high-performance liquid chromatography (HPLC). Determination of antioxidant activity was performed the DPPH method. The research results showed the presence of secondary metabolite compounds, namely alkaloids, flavonoids, phenolics, tannins, and terpenoids in the leaves, while the contain alkaloids, phenolics, tannins, and terpenoids. The antioxidant activity in this plant has been identified as a strong natural antioxidant.
Phenolic Screening and Total Phenolic Content of Jelutung Rawa (Dyera polyphylla (Miq.) Steenis) Plant Extracts Febriani, Melda; Muharini, Rini; Mayasari, Eni; Ola, Antonius
Jurnal Kimia Riset Vol. 10 No. 2 (2025): December
Publisher : Universitas Airlangga, Campus C Mulyorejo, Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jkimris.v10i2.71004

Abstract

Dyera polyphylla (Miq.) Steenis, or jelutung rawa, is an endemic tree species native to Indonesia’s tropical peat swamp forests. While related species such as Dyera costulata have been reported to contain various bioactive compounds particularly phenolics with antioxidant, anti-inflammatory, and antimicrobial properties, there has not been phytochemical studies on D. polyphylla. This study aimed to investigate the phenolic compound profile and total phenolic content in the stem wood, stem bark, and leaves of D. polyphylla. Extraction was carried out using total and stratified maceration methods with n-hexane, ethyl acetate, and methanol as solvents. Qualitative analysis involved phytochemical screening by using phenolic specific reagents, thin-layer chromatography (TLC) with FeCl₃ reagents, and high-performance liquid chromatography (HPLC). Total phenolic content was quantified using the Folin–Ciocalteu spectrophotometric method. Phenolic compounds were detected in all plant parts, particularly in the ethyl acetate and methanol extracts. HPLC analysis showed that the chromatographic profile of the methanol extract from stem wood closely resembled that of the leaves. The highest phenolic content was observed in the methanol extract of the leaves (29.02 mg GAE/g). These results suggested that D. polyphylla, particularly its leaves, is a promising natural source of phenolic compounds with potential antioxidant and therapeutic value.
Co-Authors A Ifriani Harun AA Sudharmawan, AA Abdul Hafiz, Iqbal Ade Kurnia Ade Mirza Adriana Martania Agung Hartoyo Agusta, Muhammad Farras Leonasa Agustinus Ridwan Ahmad Yani T Akrom, Akrom Andi Hairil Alimuddin Andi I. Harun Andi Ifriany Andriyani, Putri Anggi Fatmadiwi Angraini, Mega Restu Aninda, Dea Antonius Ola Apriliantika, Apriliantika Arit Arit Arniezca, Elginda Yusa Asriah Nurdini M. Asrori Asrori Assari, Andra Meisantry Aunurrahman Aunurrahman Ayni, Ayni Bella Agustina Bilqis, Adilla Cahyani, Gustin Cahyani, Melur Regista Candra Candra Claudina Marditha Dea Aninda Dedi Irawan Depasthika, Sistha Citra Desy Ramadhani Putri Dewi Pratiwi Dinda Kartika Wijayanti Dzul Fadly Eka Kartina Eka Sofia Elisa, Claudia Eva Eni Mayasari Eny Enawati Eny Enawati Eny Enawati Eny Enawaty Eny Enawaty Erlina ERLINA Erlina Erlina Ersando Ersando Ersando Ersando Fadly, Dzul Fania, Ririn Putri Faridy, Fadhil Alwa Fatin Khairunnisa Fatmadiwi, Anggi Fatmala, Fatmala Febriani, Melda Fia Tiaraseta Firman Shantya Budi Fitri, Rosiana Fitriani Fitriani Gerina, Febrilia Hafiz, Muhammad Iqbal Abdul Hairida Hairida Hamdil Mukhlishin Henny Herawaty Hidayati, Putri Risti Husna Amalya Melati Husna Amalya Melati Husna Amalya Melati Ifriani, Andi Ifriany, A. Ifriany, Andi Ifriany, Andy Iqbal Abdul Hafiz Ira Lestari Ira Lestari Ira Lestari Irene Yudea Listra Irmalia, Andari Meriam Isa Isa Isa Isa Istiqomah Istiqomah istiqomah istiqomah Istiqomah, Fatiyatul Laili Fitri Yeni Lestari*, Ira Lukman Hadi Lukman Hadi Lukman Hadi Lukman Hadi, Lukman Maharani Nukila Maharani Nukila Mahendra, M. Rezha Mardasela, Tery Margareta Lita Widiansari Maria Ulfa Maria Ulfah Maria Ulfah Marisa Marisa Maryani Maryani Maryani Maryani Masriani . Masriani Masriani Maulidiyah, Hanna Rohmatul MELANIA, PURNAMA Melur Regista Cahyani Meri Meri Miranti, Maya Monica, Icha Monica, Qois Monika, Putri Dharma Muhammad Arifin Muhammad Asrori Muhammad Asrori Muhammad Farras Leonasa Agusta Nelly Dayanti Noprianti, Dini Novi Dwi Trisnawati Nur Hijriyati Nurhalimah, Risna Nurpaisah, Nurpaisah Nurul Hikmah Pasaribu, Revi Lestari Patia, Patia Peter Proksch Pingkan Ramadhan Sailendra Pranata, Rio Pratami, Hutianas Muhar Pratiwi, Divya Indah Pundentiana Stella Padari Purnama Melanie Puspita, Vivi Anugrah Rachamat Sahputra Rachmat Sahputra Rachmat Sahputra Rachmat Sahputra Rahma, Saparina Rahmad Ulwan Rahmat Rasmawan Ramadhan Sailendra, Pingkan Ramadhanti, Nuzul Alya Risya Sasri Riyanto, Izory Roman Rody Putra Sartika Rossesa, Rossesa RR. Ella Evrita Hestiandari Rudiyansyah Rudiyansyah Rudiyansyah Rudiyansyah, Rusnani Rusnani Sabianto, Fransiskus Sahputra, Rahmat Saleha, Tsaniya Rahma Sasri, Risya Seilendra, Pingkan Ramadhan Selina, Selina Siahaan, Gorga Josua Chrisvandoli Silpia Vilda Saputri suci dessia Sulistyarini, Sulistyarini surono, wahid Syamswisna , theresia, monica Tiara, Tiara Tomo Djudin Tulus Djunanto Tulus Junanto Tulus Junanto Ubadilla Mairani Ulwan, Rahmad Ursula Lisfatkandayant Utami, Nurzam Indah Verya Adithya Vita Oktavianty Wahyuni, Neri Wandi Wandi Warohmah, Mawaddatul Warsidah Warsidah Warsidah Warsidah Warsidah, Warsidah Widiana Uluk Naikofi WOLLY CANDRAMILA Yeni Meilani Yeni Triana Yopita Ita Yuliarita, Yuliarita Yuni Wanda Lestari Zakaria, Andi