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All Journal Indonesian Journal of Science and Technology Communications in Science and Technology Molekul: Jurnal Ilmiah Kimia JEDCHEM (JOURNAL EDUCATION AND CHEMISTRY) Jurnal Penelitian Enjiniring Fakultas Teknik Unhas Jurnal Abdimas Kartika Wijayakusuma Asean Journal of Science and Engineering (AJSE) Indonesian Journal of Teaching in Science Automotive Experiences Journal of Mechanical Engineering, Science, and Innovation Fraction: Jurnal Teori dan Terapan Matematika JURTI Jurnal Teknik Industri Open Global Scietific Journal ASEAN Journal for Science and Engineering in Materials ASEAN Journal of Educational Research and Technology
Fiandini, Meli
Universitas Pendidikan Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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Research Trends from The Scopus Database Using Keyword Water Hyacinth and Ecosystem: A Bibliometric Literature Review Nandiyanto, Asep Bayu Dani; Fiandini, Meli; Al Husaeni, Dwi Novia
ASEAN Journal of Science and Engineering Vol 4, No 1 (2024): AJSE: March 2024
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ajse.v4i1.60149

Abstract

The problem of water hyacinth (Eichhornia crassipes) invading aquatic biota ecosystems is a hot issue that is currently being discussed throughout the world. Due to the many solutions proposed in academia for their management, mitigation, and utilization, it is necessary to investigate through systematic research. Based on this, this study aims to present research developments on the topic of water hyacinths and ecosystems using bibliometric analysis. In this research, a total of 227 articles from 2000 to 2023 years regarding the keywords “water hyacinth” AND “ecosystem” were taken from Scopus which was used for further analysis. To accomplish the bibliometric analysis, the software programs VOSviewer was used. Based on the findings, it shows that the number of article publications over the last 23 years (2000-2023) has experienced fluctuating changes which are divided into three periods. The pioneering and growth periods were identified in 2000-2008 and 2009-2015. Meanwhile, the acceleration period will occur in 2016-2023. According to the results of data visualization, it was found that there were 4 clusters. The keyword "water hyacinth" is used more frequently, especially in 2016. The most productive affiliate publishing article is the University of California. Meanwhile, the most productive country is India. In addition, most productive authors come from India, namely Kanna, S. and Dube, T.
Isotherm adsorption characteristics of carbon microparticles prepared from pineapple peel waste Nandiyanto, Asep Bayu Dani; Santiuly Girsang, Gabriela Chelvina; Maryanti, Rina; Ragadhita, Risti; Anggraeni, Sri; Fauzi, Fajar Miraz; Sakinah, Putri; Astuti, Asita Puji; Usdiyana, Dian; Fiandini, Meli; Dewi, Mauseni Wantika; Al-Obaidi, Abdulkareem Sh. Mahdi
Communications in Science and Technology Vol 5 No 1 (2020)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1227.71 KB) | DOI: 10.21924/cst.5.1.2020.176

Abstract

The objective of this study was to investigate isotherm adsorption of carbon microparticles from pineapple peel waste. Carbon microparticles were prepared by carbonizing pineapple peel waste at 215-250°C and grinding using a saw-milling process. To investigate adsorption properties of carbon microparticles, experiments were done by evaluating adsorption of curcumin (as a model of adsorbate) in the ambient temperature and pressure under constant pH condition. To confirm the adsorption characteristics, carbon particles with different sizes (i.e., 100, 125, and 200 ?m) were tested, and the adsorption results were compared with several standard isotherm adsorption models: Langmuir, Freundlich, Temkin, and Dubinin- Radushkevich. To support the adsorption analysis, several characterizations (i.e., optical microscope, sieve test, and Fourier transform infrared analysis) were conducted. The adsorption test showed that the adsorption profile is fit to the Freundlich model for all variations, indicating the multilayer adsorption process on heterogeneous surfaces and interactions between adsorbate molecules. The results from other isotherm models also confirmed that the adsorption process occurs physically via Van der Waals force in binding adsorbate on the surface of adsorbent.
Domestic waste (eggshells and banana peels particles) as sustainable and renewable resources for improving resin-based brakepad performance: Bibliometric literature review, techno-economic analysis, dual-sized reinforcing experiments, to comparison ... Nandiyanto, Asep Bayu Dani; Ragadhita, Risti; Fiandini, Meli; Al Husaeni, Dwi Fitria; Al Husaeni, Dwi Novia; Fadhillah, Farid
Communications in Science and Technology Vol 7 No 1 (2022)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.7.1.2022.757

Abstract

The objective of this study is to develop a new environmentally-friendly brake pad made from eggshells (Es) and banana peels (BPs) as reinforcement agents. E and BP particles as dual reinforcement with various compositions were combined. The E/BP mixture was then embedded on a polymer matrix composing a resin/hardener mixture in a 1:1 ratio. As a standard, brake pads using a single reinforcement of E and BP particles were also fabricated. Physical properties (i.e. particle size, surface roughness, morphology, and density), as well as mechanical properties (i.e. hardness, wear rate, and friction coefficient properties) were investigated. It was observed that using dual reinforcements was preferable (compared to using single reinforcements) because they had a synergistic effect on the mechanical properties of the brake pad. The best mechanical properties were found in dual reinforcements of brake pad specimens using E/BP particles with a higher BP ratio in which the value of the stiffness test, puncture test, wear rate, and coefficient of friction were 4.5 MPa, 86.80, 0.093×10-4 g/s.mm2, and 1.67×10-4, respectively. A high BP particle ratio played a dominant role in dual reinforcements, increasing the resin's bonding ability and resulting in good adhesion between the reinforcement and matrix. When compared to commercial brake pads, the brake pad specimens fabricated in this study met the standards. The techno-economic analysis also confirmed the prospective production of brake pads from E and BP particles (compared to commercial brake pads). From this research, it is expected that environmentally friendly and low-cost brake pads can be used to replace the dangerous friction materials.
How to Calculate Economic Evaluation in Industrial Chemical Plant Design: A Case Study of Gold Mining Using Amalgamation Method Fiandini, Meli; Nandiyanto, Asep Bayu Dani
ASEAN Journal for Science and Engineering in Materials Vol 3, No 2 (2024): AJSEM: Volume 3, Issue 2, September 2024
Publisher : Bumi Publikasi Nusantara

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

Abstract

In the world of the chemical industry which continues to develop, factory design is the first step that determines the success of a project. However, to ensure that sustainability, efficiency and a positive impact on the economy can be achieved, economic evaluation is a critical aspect that must be considered carefully. Economic evaluation has a central role in the design stage of industrial chemical plants. However, until now, there is still no research that explains step by step how to calculate economic evaluations, especially in the field of industrial chemistry. Based on this, the aim of this article is to demonstrate how to calculate economic evaluations in chemical plant design. To provide a detailed understanding, we present a step-by-step example of calculating an economic evaluation of the design of a gold mining using amalgamation method. It is hoped that this article can have a significant impact by illustrating effective ways to optimize financial sustainability, make wise data-based decisions, and manage risk carefully in the design of industrial chemical plants through in-depth analysis using economic evaluation. Here, this article not only serves as an important basis for corporate decision-making, but also provides valuable guidance for the chemical industry in designing efficient and economically sustainable production facilities.
Advancing Sustainability and Green Engineering in Mechanical Engineering Education: Concepts, Research Trends, Challenges, and Implementation Strategies Fiandini, Meli; Mukhamedov, Gafurdjan Israilovich; Khimmataliev, Dustnazar Omonovich; Nandiyanto, Asep Bayu Dani
ASEAN Journal for Science and Engineering in Materials Vol 4, No 2 (2025): AJSEM: Volume 4, Issue 2, September 2025
Publisher : Bumi Publikasi Nusantara

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Abstract

Sustainability and green engineering are increasingly vital in mechanical engineering education as industries prioritize environmental responsibility, energy efficiency, and waste reduction. This study aims to review and synthesize current research trends, challenges, and implementation strategies concerning the integration of sustainability into mechanical engineering curricula. We used a systematic review approach using literature published between 2019 and 2024. Results indicate that although sustainability is recognized as important, its integration remains inconsistent due to curriculum gaps, limited hands-on experiences, weak industry collaboration, and insufficient faculty training. Proposed solutions include project-based learning, interdisciplinary courses, strengthened partnerships with industry, and the incorporation of green technologies such as carbon capture and circular economy practices. These strategies are essential because they bridge the gap between theory and real-world application. The findings highlight the need for standardized educational frameworks and enhanced collaboration. This review contributes to the development of curricula that prepare future engineers to address complex environmental challenges.
Memberdayakan Pendidik di Era AI: Identifikasi dan Edukasi Kesadaran Guru terhadap Teknologi AI dalam Dunia Pendidikan Gandidi, Indra Mamad; Mahmudatussa'adah, Ai; Sukrawan, Yusep; Nandiyanto, Asep Bayu Dani; Fiandini, Meli; Ragadhita, Risti
Jurnal Abdimas Kartika Wijayakusuma Vol 6 No 2 (2025): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v6i2.904

Abstract

Proyek layanan masyarakat ini bertujuan untuk meningkatkan pemahaman dan kesiapan publik terhadap integrasi Kecerdasan Buatan (AI) dalam pendidikan dengan mempromosikan literasi AI dasar di kalangan pendidik dan siswa. Program ini secara khusus berfokus pada upaya mengungkap misteri teknologi AI dan menumbuhkan kesadaran kritis tentang implikasi etis, pedagogis, dan praktisnya dalam lingkungan belajar. Metode ini melibatkan serangkaian lokakarya interaktif dan sesi pelatihan langsung yang ditujukan kepada guru, calon guru, dan siswa sekolah menengah atas. Kegiatan ini dirancang untuk memperkenalkan konsep AI mendasar, mengeksplorasi aplikasi dunia nyata, dan memberikan pengalaman terbimbing dalam menggunakan alat berbasis AI yang mudah diakses untuk tujuan pendidikan. Hasilnya menunjukkan peningkatan signifikan dalam kesadaran dan pemahaman peserta tentang AI, sebagaimana tecermin dalam survei pra dan pascaprogram. Pendidik melaporkan kepercayaan diri yang lebih besar dalam membahas topik AI di kelas dan menunjukkan peningkatan keterampilan dalam mengintegrasikan alat berbasis AI ke dalam praktik mengajar. Siswa menunjukkan peningkatan rasa ingin tahu dan pemikiran kritis tentang peran AI dalam masyarakat dan pendidikan. Sebagai kesimpulan, program ini berhasil mencapai tujuannya dengan membekali peserta dengan pengetahuan dasar dan keterampilan praktis yang terkait dengan AI sehingga mempersempit kesenjangan literasi digital di komunitas sasaran. Dampak dari inisiatif ini meluas melampaui peserta langsung karena mendorong efek berantai pemberdayaan teknologi dalam lembaga pendidikan. Hal ini juga berkontribusi pada agenda nasional untuk membina warga negara yang siap menghadapi masa depan yang mampu menavigasi dan membentuk lanskap digital yang terus berkembang dengan perspektif yang etis dan terinformasi.
Mapping Research Trends in Materials-Based Science Education for Sustainable Development Goals: A Bibliometric Study Fiandini, Meli; Nandiyanto, Asep Bayu Dani
ASEAN Journal of Educational Research and Technology Vol 3, No 3 (2024): AJERT: VOLUME 3, ISSUE 3, December 2024
Publisher : Bumi Publikasi Nusantara

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

Abstract

This study maps research trends, knowledge structures, and thematic developments in materials-based science education within the framework of the Sustainable Development Goals (SDGs). A total of 467 documents from the Scopus database (2015-2024) were analyzed using a quantitative bibliometric approach with VOSviewer software. The analysis includes keyword co-occurrence, author collaboration, country contributions, and topic evolution. Results indicate a significant growth in publications since 2020, with authors like Nandiyanto and countries such as the United States being key contributors. Prominent keywords (sustainability, learning, application, and teaching material) highlight a dominant focus on pedagogical and sustainability issues. Overlay visualizations show a thematic shift from technical material issues to competency-based learning approaches. These findings underscore the need for science curricula and teaching strategies that incorporate sustainability principles and material innovation. The study offers a strategic reference point for researchers and educators to align science education with global sustainability challenges.
The Research Trend of Statistical Significance Test: Bibliometric Analysis Al Husaeni, Dwi Fitria; Al Husaeni, Dwi Novia; Fiandini, Meli; Nandiyanto, Asep Bayu Dani
ASEAN Journal of Educational Research and Technology Vol 3, No 1 (2024): AJERT: VOLUME 3, ISSUE 1, March 2024
Publisher : Bumi Publikasi Nusantara

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Abstract

A significance test is a test that can determine whether a research hypothesis is accepted or not. Therefore, significance tests need to be carried out, especially for researchers who will conduct research related to hypothesis testing. This research discusses publication trends regarding significance tests. This research aims to analyze research trends regarding statistical significance tests using bibliometric analysis methods assisted by mapping analysis. Bibliometric analysis methods and mapping analysis with VOSviewer were used in this research. The data source was taken from the Google Scholar database in the period 2013 - 2023. The total number of documents found during the last 10 years was 1000 documents. Based on the research results, it was found that the number of publications regarding statistical significance tests has decreased every year. From a total of 281 documents in 2013 to 7 documents in 2023. The results of article data mapping produce three forms of visualization, namely network, overlay, and density visualization. The mapping results show that research on statistics still needs to be carried out, especially regarding significance tests. This research concluded that the trend of research discussing statistical significance tests is decreasing, although, in terms of its use, it is still very important, especially in processing quantitative research data.
Gender Perspective: Self-Efficacy and Academic Stress of Middle School Students in Science Education Fiandini, Meli; Lepir, Yenika Rambu; Rahmat, Adi; Hamdiyati, Yanti; Winarno, Nanang; Agustin, Mubiar
Indonesian Journal of Teaching in Science Vol 5, No 2 (2025): (ONLINE FIRST) IJOTIS: September 2025
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijotis.v5i1.83214

Abstract

This research aims to examine the influence of gender on self-efficacy and academic stress in middle school students in science subjects. A quantitative approach using a 40-item questionnaire consisting of measures of self-efficacy and academic stress, each containing 20 items, was administered. This research involved 51 students (consisting of 24 Males and 27 Females) in the ninth grade from private secondary schools in Bandung, Indonesia. Data analysis uses descriptive and inferential statistical techniques using Microsoft Excel and IBM SPSS software. The results showed significant gender differences in self-efficacy and academic stress. Male students show higher levels of self-efficacy than female students, while female students experience lower academic stress. These findings suggest potential interventions to increase self-efficacy and reduce academic stress in science courses, emphasizing gender-specific strategies.
Co-Authors Abdulkareem Sh. Mahdi Al-Obaidi Adi Rahmat Al Husaeni, Dwi Fitria Al Husaeni, Dwi Novia Al-Obaidi, Abdulkareem Sh. Mahdi Andika Purnama Shidiq Anisa Noorlela Asep Bayu Dani Nandiyanto Astuti, Asita Puji Dewi, Mauseni Wantika Dian Usdiyana Dwi Novia Al Husaeni Fadhillah, Farid Fauzi, Fajar Miraz Hofifah, Siti Nur Indra Mamad Gandidi Khimmataliev, Dustnazar Omonovich Lepir, Yenika Rambu Mahmudatussa'adah, Ai Maya Lianawati Mentari Putri Aprilia Mrs Yanti Hamdiyati Mubiar Agustin Muhammad Aziz Muhammad Aziz Mukhamedov, Gafurdjan Israilovich Nanang Winarno Ragadhita, Risti Rina Maryanti SAKINAH, PUTRI Santiuly Girsang, Gabriela Chelvina Sri Anggraeni Sukrawan, Yusep Tedi Kurniawan Teguh Kurniawan Thyta Medina Salsabila Erlangga Wafa Raihana Arwa