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All Journal BIOEDUKASI Orbital: Jurnal Pendidikan Kimia Konservasi Hayati Integrated Science Education Journal Bestari: Jurnal Studi Pendidikan Islam
Pandu Jati Laksono
Universitas Sebelas Maret
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Immunology & microbiology Library & Information Science Social Sciences

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Pengembangan E-Book Kimia Berbasis Augmented Reality (AR) pada Materi Bentuk Molekul Ariska, Nasya Nur; Sholeh, Moh Ismail; Laksono, Pandu Jati
Orbital: Jurnal Pendidikan Kimia Vol. 7 No. 2 (2023): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v7i2.20159

Abstract

This study was motivated by the limited support of engaging media in chemistry learning on molecular shape materials. The material of molecular shape is abstract and requires a medium capable of visualizing the molecular shape clearly and realistically. The technology that aligns with these problems is Augmented Reality. This research aims to observe the validity results of the developed product and to know the student's responses towards the Augmented Reality (AR) Based Chemistry E-book on Molecular Shape Material. This study is an R&D (Research and Development) development study. By using the 4-D development model that was modified into 3 stages; define, design, develop. The validation test of this media is based on assessments from language experts, media experts, and material experts. The product validation results were assessed by media experts by 97%, material experts by 94%, and language experts by 90%, with a very valid category. In addition, a trial was conducted on students to find out the response to the developed media. Based on the assessment results of student responses, a percentage of 89% was obtained on a small scale and 95% on a medium scale with a very good category
Developing Chemistry Lesson Plan Design: Integrating Scientific Explanation by CER Framework in STEM Learning Laksono, Pandu Jati; Ari S Shidiq; Irfan Yunianto; Evelina A Patriot
Orbital: Jurnal Pendidikan Kimia Vol. 8 No. 1 (2024): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v8i1.22691

Abstract

The main supporting component of a comprehensive learning implementation, scientifically prepared according to the chemical context, is developing a chemistry lesson plan. Scientific explanations in chemistry learning often involve causal mechanistic explanations of chemical phenomena, which provide a paradigm for understanding chemical concepts. This research aims to describe how prospective chemistry teachers use scientific explanations to develop CER framework in chemistry lesson plans that align with STEM learning. A descriptive qualitative research design was used. The authors conducted this research on 20 prospective chemistry teachers. This research used the document review, observation, CER framework assessment, and interviews. Prospective chemistry teachers can theoretically and practically prepare chemistry learning plans. The study reveals that prospective chemistry teachers struggle to offer scientific explanations for the concepts they explain through CER framework. Their responses to the CER framework assessment reveal numerous unconnected scientific explanations.  One cannot combine evidence and reasoning claims into a systematic unity to explain a chemical phenomenon.  
Unveiling STEM Education Conceptions: Insights from Pre-Service Mathematics and Science Teachers Laksono, Pandu Jati; Suhadi, Suhadi; Efriani, Arvin
Integrated Science Education Journal Vol 6 No 1 (2025): January
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/isej.v6i1.1387

Abstract

Purpose of the study: This study aims to analyze STEM education conceptions among pre-service mathematics and science teachers, focusing on their perceptions, understanding, and readiness to implement STEM education. The research seeks to identify gaps in STEM comprehension to inform teacher preparation program development. Methodology: This descriptive quantitative study describes the STEM concept among prospective science and mathematics teachers using an online questionnaire with Likert scale and open-ended questions. Data were analyzed using descriptive statistics, such as mean and standard deviation, and validated with Gregory's content validity formula, and Cronbach's alpha. Main Findings: Main findings indicate that 14.58% of respondents demonstrated very high STEM conception with scores exceeding 112.37, while 31.25% exhibited high conception within the range of 98.83 to 112.37. Conversely, 41.67% showed low conception with scores between 85.33 and 98.82, and 12.50% had very low conception, scoring below 85.33. Overall, only 45.83% of pre service teachers possessed adequate STEM conception, highlighting that 54.17% require strengthening in their understanding of STEM. Mathematics is seen as an essential foundational element in STEM education, with technology integration being key to improving learning outcomes. This study highlights the need for curriculum revision and professional development to improve STEM readiness among preservice teachers. Novelty/Originality of this study: This study identified a lack of STEM concepts among preservice mathematics and science teachers, and highlighted the urgency of revising the curriculum with an interdisciplinary approach that connects theory and practice. Limitations include self-reported data and a limited focus, so a larger study is needed.
Bioactivity of Endophytic Fungi Fusarium brachygibbosum Isolated from the Stem of Avicennia marina as a Candidate for New Drug Source Oktiansyah, Rian; Noviyanto, Noviyanto; Iskandar, Damayanti; Nasution, Sakinah Salman Ahmad; Laksono, Pandu Jati; Kurniawati, Alfia Rahma; Pancasari, Adelia Rizki; Aputri, Farah Nuriessa; Yogyaswari, Sekar Ayoe
BIOEDUKASI: Jurnal Biologi dan Pembelajarannya Vol. 23 No. 3 (2025): Vol. 23, No. 3, October 2025
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v23i3.53787

Abstract

Indonesia's biodiversity holds significant potential as a source of medicinal compounds, one of which is Avicennia marina, known for its antioxidant and antibacterial properties. However, due to its protected conservation status, its utilization is limited. An alternative approach to harness its benefits is through symbiotic microorganisms such as endophytic fungi. This study aimed to isolate and evaluate the bioactivity of the endophytic fungus Fusarium brachygibbosum isolated from the stem of A. marina as a potential source of novel therapeutic agents. The methodology involved fungal isolation, morphological identification, and evaluation of antibacterial activity using the disc diffusion method and antioxidant activity using the DPPH assay. The results demonstrated that the obtained isolate (coded ADM2) exhibited strong antibacterial activity against Escherichia coli, Staphylococcus aureus, Salmonella typhi, and Bacillus subtilis. Moreover, the antioxidant assay of the ADM2 isolate revealed a very strong potential (IC50 < 20 µg/mL), indicating its potent ability to scavenge free radicals. Based on these findings and the literature on F. brachygibbosum, this species shows great potential as a source of bioactive compounds with medical applications, particularly in treating infections and preventing degenerative diseases. Further in vivo studies are necessary to confirm the therapeutic potential of this fungus as a safe and effective drug candidate.
Integrasi Technological Pedagogical Science Knowledge pada Nilai-Nilai Islam Laksono, Pandu Jati; Isnaini, Muhammad
Bestari Vol 19 No 1 (2022): Studi Pendidikan Islam
Publisher : Fakultas Tarbiyah dan Keguruan, Universitas Islam Darussalam (UID) | Islamic University of Darussalam, Ciamis, Jawa Barat, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36667/bestari.v19i1.1157

Abstract

TPASK is to represent science in information technology and education. Combining knowledge content, science content, technology content and pedagogical content is something that a student must have in their learning. Islamic religious perspective, education (pedagogy), science and technology are things that develop to make it easier for a believer to live his life. The method used in this research is library research or known as literature study. The method used is to analyze books, research results, and articles and then reduce them and present them to make new findings. Qualitative data analysis consists of four steps that occur simultaneously, namely categorization, data reduction, data presentation, and conclusions. The results of the review show that TPASK in the process must demonstrate Islamic values. Islamic values are closely related and strengthened with technology, pedagogy and science which are the basic concepts of TPASK. Another thing that strengthens the existence of Islamic religious values is an educational system that has character and religious values. Overview Integration is important because of the context that science, pedagogy, technology and religion are mutually reinforcing.
Identifikasi Fungi Endofit yang Diisolasi dari Tanaman Jambu Monyet (Anacardium occidentale L.) pada Wilayah Kabupaten Banyuasin Habisukan, Ummi Hiras; Musyalina, Aisyah; Oktiansyah, Rian; Laksono, Pandu Jati
Konservasi Hayati Vol 19 No 1 (2023): APRIL
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/hayati.v19i1.26570

Abstract

Cashew fruit is a plant that is widely grown in eastern Indonesia, such as in NTB, Bali, NTT, South Sulawesi, and Southeast Sulawesi. The study aimed to identify the endophytic fungi found in cashew trees. The method used in this research was taking samples, namely the roots, root bark, stems, bark and leaves of the cashew plant then making instant PDA media mixed with distilled water and antibiotics with direct planting techniques on PDA in Petri dishes. Furthermore, the purification of endophytic fungi was carried out followed by macroscopic and microscopic observations by observing the types of spores, spore forms, and hyphae. The results of macroscopic and microscopic observations on samples of isolates coded KB.AO1 and D.AO1 were identified as belonging to the genus Fusarium, isolates coded KB.AO2 belonged to the genus Trichoderma, isolates coded A.AO1 belonged to the genus Colletotrichum, and isolate A.AO2 belonged to the genus Acremonium, isolate KB.AO1 belongs to the genus Cladosporium, code KB.AO2 belongs to Aspergillus, isolate code BAO1 belongs to Pythium, isolate code BAO2 belongs to Mucor, and isolate code DAO2 belongs to Nigrospora.
Co-Authors Aputri, Farah Nuriessa Ari S Shidiq Ariska, Nasya Nur Arvin Efriani Damayanti Iskandar Evelina A Patriot Irfan Yunianto Kurniawati, Alfia Rahma Muhammad Isnaini Musyalina, Aisyah Nasution, Sakinah Salman Ahmad Noviyanto Noviyanto, Noviyanto Oktiansyah, Rian Pancasari, Adelia Rizki Sholeh, Moh Ismail Suhadi Suhadi Ummi Hiras Habisukan, Ummi Hiras Yogyaswari, Sekar Ayoe