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All Journal Jurnal Teknik Elektro Al Khawarizmi: Jurnal Pendidikan dan Pembelajaran Matematika Journal of Research and Advances in Mathematics Education Al-Jabar : Jurnal Pendidikan Matematika Jurnal Pemberdayaan Masyarakat Madani (JPMM) Kemudi Jurnal Surya Teknika Journal Of Human And Education (JAHE) Al-Khidmah Jurnal Pengabdian Masyarakat Jurnal Administrasi Profesional Science, Technology, and Communication Journal MAXIMAL Jurnal Sains, Teknologi dan Kesehatan Jurnal Teknologi dan Komunikasi Pemerintahan Jurnal Pendidikan MIPA
M Ikhsan
Fakultas Keguruan dan Ilmu Pendidikan Olahraga Universitas Syiah Kuala
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Pengembangan Sensor Elektrokimia Berbasis Material Nano untuk Deteksi Ion Timbal (Pb²⁺) Menggunakan Sistem Elektronika Terintegrasi Rahmawati, Asde; Nurjanah, Siti; Fahrizal, Fahrizal; Marta Putri, Dila; Ikhsan, M; Wajhi Akramunnas, Bastul
SURYA TEKNIKA Vol 12 No 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9544

Abstract

Electrochemical sensors are a reliable method for detecting the presence of heavy metal ions such as lead (Pb²⁺) in aquatic environments. In this study, a sensor was developed based on a carbon paste electrode modified with ZnO nanomaterials and polyaniline, and integrated with a data acquisition system using a microcontroller. Voltammetric characterization results showed that the sensor could detect Pb²⁺ with high sensitivity at low concentrations. This system is expected to be applied for real-time and portable water quality monitoring.
Mathematics e-comic in cultural context to improve student motivation and learning outcomes Farhan, Dani; Ikhsan, M; Elizar, Elizar
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.22327

Abstract

Introduction: Learning media is a key factor that influences student motivation and learning outcomes. The learning media used should be relevant to students' daily lives, including cultural aspects. One example is the use of digital comics (e-comics) in mathematics, particularly in a cultural context, for teaching material on Systems of Linear Equations in Two Variables (SLETV).Aim: This study aimed to determine the characteristics of mathematical e-comics in a cultural context that are valid, practical, and effective in increasing motivation and learning outcomes among junior high school students.Method: The research used a development method based on the Plomp model, which consists of an initial investigation, design, and assessment stage. The subjects were class VIII students at an Islamic junior high school in West Aceh, Indonesia.Result: The validity scores for the content and media were 4.70 and 4.64, respectively, showing a very high level of validity. Practicality was measured by teacher responses (4.43) and implementation levels (4.21), both indicating very feasible use. The effectiveness was assessed through a Learning Outcomes Test (LOT), student responses, and motivation questionnaires. LOT results showed 82.05% of students achieved the Minimum Mastery Criteria (KKM), 80.19% of students gave positive responses, and motivation scores reached 83.86%, indicating very good levels.Conclusion: This research developed a culturally relevant mathematical e-comic for SLETV material, which was found to be valid, practical, and effective in enhancing student motivation and learning outcomes in junior high school. The results suggest that incorporating cultural contexts in digital learning media can positively impact student engagement and achievement.
INOVASI DALAM USAHA MIKRO KECIL DAN MENENGAH (UMKM) DAN FAKTOR-FAKTOR YANG MEMPENGARUHI HAL TERSEBUT (UMKM Industri Kreatif Kota Depok) Utomo, Wahyudi; Widhi Sugianingsih, Ni Made; Aditya, Fachri; Sofia, Meisa; Ikhsan, M; Ardy Putra, Yoshua
Jurnal Administrasi Profesional Vol 6 No 1 (2025): Jurnal Administrasi Profesional
Publisher : Jurusan Administrasi Niaga Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jap.v6i1.7564

Abstract

This research aims to determine the level of readiness of MSMEs with the forms and innovation strategies implemented. Innovation itself is a combination of new ideas, changes, and innovation indices – a combination of innovation behavior – hereafter called innovation. The limitation of previous empirical research is that it has not integrated leadership factors, organizational structure, and service orientation as determinants that influence innovation. Referring to these problems, the aim of this research is to describe innovation in MSMEs, to describe leadership factors, organizational structure and service orientation towards innovation in MSMEs, as well as analyze the relationship model between leadership, structure and service orientation. Based on this, this research seeks to describe innovation in Depok City Creative Industry MSMEs through leadership factors, organizational structure and service orientation as well as analyzing the relationship model between leadership, structure and service orientation. Referring to a theoretical perspective, the nature of this research is explanatory research, which relies on a hypothetico-deductive method with a quantitative approach. The try out method was used in this research with data obtained through one data collection (questionnaire withdrawal). Data analysis is quantitative statistics. Research findings show that there is a significant influence on leadership variables on innovation, but not on organizational structure and service orientation variables. Both variables were not found to have a significant influence on innovation. The centralization of authority in terms of work and decision making strengthens the view that the organization is considered a mechanistic type of organization. Referring to these findings, factors that are thought not to have a positive influence on innovation need to be reviewed and their role increased in the future so that organizations are encouraged to become organic organizations through the distribution of power and authority evenly distributed among members.
SYNERGISTIC COMBINATION OF JAVA PLUM (SYZYGIUMCUMINI(L.) SKEELS) LEAF EXTRACT AND VITAMIN C ON ASPARTATE AMINOTRANSFERASE AND ALANINE AMINOTRANSFERASE LEVELS IN LEAD ACETATE-INDUCED RAT Ikhsan, M; Rita, Rauza Sukma; Elmatris, Elmatris; Alioes, Yustini; Mahata, Liganda Endo; Almurdi, Almurdi
EMPIRIS : Jurnal Sains, Teknologi dan Kesehatan Vol. 2 No. 3 (2025): EMPIRIS : Jurnal Sains, Teknologi dan Kesehatan, September 2025
Publisher : Lembaga Pendidikan dan Penelitian Manggala Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62335/empiris.v2i3.1708

Abstract

Lead (Pb) is a toxic metal that is used to trigger oxidative stress. Oxidative stress causes damage to organs, especially the liver increasing aspartate aminotransferase (AST) and alanine aminotransferase (ALT). This study aims to determine the synergistic effect of antioxidant as Java plum leaf extract and vitamin C together on lead-induced levels of AST and ALT in rats.This type of research is true experimental research with a randomized posttest-only-control group design. The study used 20 male white rats which were divided into 4 groups. The treatment was carried out for 30 days. The examination for AST and ALT levels using the Micro Lab 300 with the Sample Star method. Data analysis was performed by using One-way Anova and Post Hoc-Turkey HSD.In this study, The results were obtained in the form of a decrease in AST and ALT levels in rats that had been induced lead acetate 40 mg/KgBW by administration of Java plum leaf extract dose 75 mg/KgBW and vitamin C dose 35 mg/KgBW as well as the administration of Java plum leaf extract at a dose of 150 mg / KgBB and vitamin C dose of 75 mg / KgBB with significant influence at the lower dose (p=0,01).It can be concluded that administrating of Java plum leaf extract dose 75 mg/KgBB and vitamin C dose 35 mg/KgBB was effective to protect the liver based on the decrease of AST and ALT levels in rats that had been induced lead acetate dose 40 mg/KgBB
Abilities and Difficulties of Ninth-Grade Students in Solving Geometry Transformation Problems Trisna, Tasya Aprilla; Ikhsan, M; Elizar, Elizar
Jurnal Pendidikan MIPA Vol 23, No 4 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Geometry is one of the challenging subjects for students. This study aimed to determine the ability of students to solve geometric transformation problems, the difficulties they experienced, and the causes. This research employed a mixed method with a sequential explanatory design. Eight Year 9 students were the subjects of this study. Data were collected through tests and interviews. The data were analyzed quantitatively, followed by qualitative analysis involving reducing data, presenting data, and concluding. The results indicated that the student's ability to solve geometric transformation problems was moderate. Students found it difficult to solve geometric transformation problems. The student's difficulties included determining the translation when a starting point and an image point were given and determining the image of a point/curve by a transformation. Students had not fully mastered the schemes in the geometric transformation, were not proficient in using formulas, and were not precise in their calculations.Keywords: students’ difficulty, transformation, translation, rotation, dilatation.DOI: http://dx.doi.org/10.23960/jpmipa/v23i4.pp1724-1737
Validity of E-Modules for Teaching Fractions Through Realistic Mathematics Education with The Context of Sacrifice Worship (Ibadah Kurban) Ikhsan, M; Salsabila, Nada; Johar, Rahmah; Idami, Zahratul; Khairunnisak, Cut; Ellianti, Ellianti; Rossya, Nadila Rizki; Rohaizati, Ulya
Al-Khawarizmi Vol 8 No 1 (2024): Al Khawarizmi: Jurnal Pendidikan dan Pembelajaran Matematika
Publisher : Universitas Islam Negeri Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/jppm.v8i1.22850

Abstract

Fraction is one of the difficult topic for students. One way to reduce students’ difficulties is to implement Realistic Mathematics Education (RME) by integrating Islamic values such as Sacrifice Worship (Ibadah Kurban). In addition, the use of technology to integrate sacrificial worship in fraction learning is also expected to increase students' interest in learning in the 21st century and can improve students' understanding. Therefore, it is necessary to develop an e-module for learning fractions through RME with the context of Sacrifice worship. The developed e-module contains learning trajectories, live worksheets, videos, and post-tests. This type of research is research and development which follows the stages of Plomp, especially in the prototyping and assessment stages. The instruments in this study were validation sheets. The validators consisted of one mathematics education lecturer and two Banda Aceh City junior high school teachers. Based on the validity test it was concluded that the e-module meets the valid criteria. The implication of this research is the development of e-modules needs to be continued to test practicality and effectiveness.
Ultra-wideband diamond-shaped metamaterial absorber for radar cross section reduction Defrianto, Defrianto; Kurnia, Erwin; Saktioto, Saktioto; Emrinaldi, Tengku; Sakinah, Feby Nur; Ikhsan, M; Asyana, Vepy; Soerbakti, Yan
Science, Technology, and Communication Journal Vol. 6 No. 2 (2026): SINTECHCOM Journal (February 2026)
Publisher : Lembaga Studi Pendidikan dan Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v6i2.340

Abstract

This study presents the design and full-wave simulation of a diamond-shaped metamaterial absorber configured in a 4×4 array for applications in radar cross section reduction (RCSR). The structure was modeled on an FR-4 substrate with a copper patch and metallic ground plane to achieve high absorption across the ultra-wideband (UWB) frequency range of 0.09 – 10 GHz. Simulations were conducted using CST Studio Suite. Key radar-related performance parameters including reflection (S11), transmission (S21), and absorption were analyzed. Results indicate that the absorber achieves extremely low reflection values (return loss up to -85 dB), near-zero transmission due to the ground plane, and absorption exceeding 80% in targeted radar bands. These findings demonstrate the high potential of diamond-shaped metamaterial absorbers for stealth applications and electromagnetic wave attenuation in modern radar systems.
Co-Authors Aditya, Fachri Agung Budi Prasetijo, Agung Budi Akramunnas, Bastul Wajhi Alawi, Muhammad Ridwan Almurdi Almurdi Anizar Ahmad Arrum, Silva Asde Rahmawati Asyana, Vepy Azzuri, Mhd Raafi Abrar Chandra Kirana Cut Khairunnisak Darusatul, Maudi Defrianto Defrianto Dila Marta Putri Dina, Zinatun Hayati Eko Didik Widianto Elizar Elizar, Elizar Ellianti, Ellianti Elmatris Sy Ensa, Hasyafira Ermis Ismail, Iklima Ernik Yuliana Fahrizal Fahrizal Farhan, Dani Hajidin . Hajidin Hajidin, Hajidin Handayani, Sri Hanifah, Siti Nur Hasrifin, Hasrifin Heritawati, Ayunia Husnidar . Juliartha, Evie Farida Khalida, Lyvia Zahra Khusnul Safrina Kurnia, Erwin Kurniawan Kurniawan Mahata, Liganda Endo Makul, Tobias Malikhah, Ikhah Marlina . Nasaruddin Nasaruddin Novi Trinasari Nuragung, M Haris Nurazizah, Siti Putra, Safrizal Putra, Yoshua Ardy Rahmah Johar Ramadhan, Naufal Ilham Rauza Sukma Rita Rohaizati, Ulya Rossya, Nadila Rizki Sakinah, Feby Nur Saktioto Saktioto Salsabila, Nada Salsabillah, Soraya Sari, Siti Nurmala Satiadharmanto, Deddi Fasmadhy Siti Nurjanah Soerbakti, Yan Sofia, Meisa Susilawati, Enung Syamsul Rizal Taufik Akbar Tengku Emrinaldi Trina Sari, Novi Trisna, Tasya Aprilla Utomo, Wahyudi Wajhi Akramunnas, Bastul Widhi Sugianingsih, Ni Made Wiwik Handayani Yatin, Yatin Yayandi, Muhamad Yusnaini Yusnaini Yusrizal . Yustini Alioes Zahratul Idami Zamzanie, Zamzanie Zein, Ratu Marsya Chaerunissa