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All Journal Jurnal Sains dan Seni ITS IPTEK The Journal for Technology and Science Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Indonesian Journal of Biotechnology AKSES: Jurnal Ekonomi dan Bisnis Jurnal Florea Journal of Tropical Biodiversity and Biotechnology Jurnal Penelitian Transportasi Laut Journal of Marine-Earth Science and Technology Sewagati Rumphius Pattimura Biological Journal English Language and Literature in Education Journal (ELLINE Journal) Medical-Surgical Journal of Nursing Research Syaikhuna: Jurnal Pendidikan dan Pranata Islam STAI Syaichona Moh. Cholil Bangkalan Paradigma: Jurnal Filsafat, Sains, Teknologi, dan Sosial Budaya
Dewi Hidayati
Institut Teknologi Sepuluh Nopember
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Nursing Public Health Social Sciences Transportation Veterinary Other

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MICROPLASTIC CHARACTERISTIC FOUND IN GASTROINTESTINAL TRACT OF PELAGIC AND DEMERSAL FISHES IN TUBAN, EAST JAVA Hidayati, Dewi; F, Fauziah; A, Aunurohim; Ashuri, Nova Maulidina; Setiawan, Edwin; Mulyadi, Yeyes; Syahroni, Nur; Joesidawati, Marita Ika; S, Suwarsih
Journal of Marine-Earth Science and Technology Vol. 4 No. 1 (2023): April
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v4i1.648

Abstract

Regular monitoring of microplastics contamination in marine biota have been concerned in the world, since its tiny size can be swallowed direct or indirectly and lead health problems. Tuban waters is the one of Indonesia's coastal and marine fisheries areas with high risk of microplastic pollution due to their highly anthropogenic activities. We investigated the microplastic in the digestive tracts of pelagic and demersal fishes in Tuban sea waters.  Microplastic in fish sample guts were observed under microscope and the type of polymer were examined using FT-IR. This study reveals that number of microplastic in digestive tract of pelagic fishes were higher than demersal fishes. The dominant form was fiber (62%) with black color and dominant size ranging from 100-500 um (72%). The types of polymers found were polyethylene and polyamide.
Assessment of Project-Based Learning: Evaluating Its Impact on Students' Writing Proficiency and Academic Outcomes Hidayati, Dewi
English Language and Literature in Education Journal Vol. 1 No. 1 (2023): ELLINE Journal
Publisher : Nexus Publishing NXP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63011/ep6nnx37

Abstract

Project-based learning (PjBL) has been extensively studied, with numerous theoretical and empirical investigations concluding that it promotes significant growth in students. This study aimed to examine the influence of the PjBL approach and its assessment on students' writing skills in an Academic Writing (AW) course. A pre-experimental design was employed, involving 30 sixth-semester students from STAI Diponegoro Tulungagung, selected through purposive sampling. Pre- and post-tests were used to measure the students' writing skill outcomes. The findings suggest that PjBL can encourage educational practices such as project completion, data presentation, and self-reflection, as well as foster general educational attitudes like teamwork and problem-solving. However, the practical application of driving questions, student-set learning goals, and the use of projects to address essential subjects needs improvement. While scientific procedures were integral to the projects, the extent of student inquiry was unclear. The research indicated that various PjBL components attract the attention of both students and educators. These findings enhance our understanding of PjBL’s potential and the challenges of implementing the proposed assessment in educational settings. The study's insights and the framework of key qualities derived from it can guide research-based implementation and the design of the PjBL approach and related educational areas.
Integrating Critical Thinking in Project-Based Learning for ESP Classes: An Indonesian Perspective Dewi Hidayati
Paradigma: Jurnal Filsafat, Sains, Teknologi, dan Sosial Budaya Vol. 30 No. 5 (2024): Paradigma: Jurnal Filsafat, Sains, Teknologi, dan Sosial Budaya
Publisher : Universitas Insan Budi Utomo

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

Abstract

This study explores the integration of critical thinking (CT) into Project-Based Learning (PjBL) frameworks within English for Specific Purposes (ESP) classes, focusing on Indonesian undergraduate students. By employing a mixed-methods approach, the research investigates the effectiveness of combining CT strategies with PjBL in enhancing students’ language proficiency, problem-solving skills, and engagement. Results indicate that embedding CT components into PjBL significantly improves students’ learning outcomes and prepares them for professional communication challenges in specific fields. The study provides insights into practical applications and pedagogical implications for ESP educators, contributing to the growing body of literature on integrating 21st-century skills into language education.
Comparative Readiness Assessment of ISPS Code Implementation in ASEAN Ports Wahyuni, A. A. Istri Sri; Setiawan, Ariyono; Handoko, Wisnu; Hidayati, Dewi; Abdul Hadi, Abdul Razak
Jurnal Penelitian Transportasi Laut Vol. 27 No. 1 (2025): Jurnal Penelitian Transportasi Laut
Publisher : Sekretariat Badan Kebijakan Transportasi, Formerly by Puslitbang Transportasi Laut, Sungai, Danau, dan Penyeberangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/transla.v27i1.2417

Abstract

This study aims to assess and compare the level of readiness in implementing the International Ship and Port Facility Security (ISPS) Code across ASEAN ports. As maritime security remains a critical priority in global logistics and trade, understanding national compliance disparities is essential for enhancing regional port resilience. Grounded in compliance theory and regional security cooperation, this research frames ISPS implementation as both a technical and institutional readiness challenge influenced by policy enforcement, infrastructure, and human resource capacity. A comparative, multi-country approach was used involving ten ASEAN countries. Five key indicators were analyzed: number of ISPS-compliant facilities, security monitoring systems, regulatory framework, personnel readiness (SDM/RSO), and operational challenges. Quantitative methods included descriptive statistics, correlation, principal component analysis (PCA), and K-means clustering to identify readiness patterns and gaps. The analysis revealed significant heterogeneity in ISPS Code implementation. Singapore demonstrated the highest readiness level, followed by Malaysia and Indonesia, while countries such as Laos and Myanmar exhibited low compliance scores. PCA results identified one dominant readiness component explaining 78% of variance. Clustering analysis grouped ASEAN countries into three readiness tiers, providing a basis for targeted regional support and harmonization strategies. Findings underscore the urgency of coordinated capacity-building, policy alignment, and funding assistance in lower-readiness states. The proposed readiness index can guide future regional security benchmarking. This study contributes a novel regional ISPS readiness index and presents the first multivariate readiness mapping of ASEAN ports, supporting data-driven policy formulation for maritime security enhancement.
DNA Barcoding Application Using CYTB (Cytochrome-B) Marks for Authentication of Patin Fish (Pangasius sp.) Products in Surabaya Area Aulia, Wina Intan Nur; Setiawan, Edwin; Triwibowo, Radestya; Saputro, Triono Bagus; Hidayati, Dewi; Nurhayati, Awik Puji Dyah; Ridho, Muhammad Ainur Rosyid
RUMPHIUS Vol 8 No 1 (2026): RUMPHIUS Pattimura Biological Journal
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/rumphiusv8i1p079-092

Abstract

DNA barcoding is a practical and accurate molecular technique for identifying processed fish products that lack morphological characteristics. However, its application is limited by the availability of reference databases, DNA quality, and primer suitability. This study aims to determine the genetic identity of pangasius catfish (Pangasius sp.) marketed in Surabaya using the Cytochrome b (CytB) gene and to evaluate PCR-RFLP as an alternative to sequencing. A total of twenty samples (fresh and frozen fillets) were analyzed through DNA extraction and PCR amplification of the CytB gene, followed by in silico and in vitro analyses.The results show that CytB demonstrates high amplification success and provides sufficient resolution for species-level identification based on Neighbor-Joining analysis with the Kimura 2-parameter model. The study confirms that the samples were genetically identified as Pangasius pangasius and Pangasius hypophthalmus. This research highlights the novelty of integrating in silico prediction with laboratory validation to improve marker evaluation in DNA barcoding studies. Furthermore, it demonstrates that CytB-based PCR-RFLP is a rapid and cost-effective alternative to sequencing for detecting species mislabeling. Overall, the CytB gene is proven to be a reliable molecular marker for species authentication, supporting traceability systems and strengthening seafood authenticity monitoring in commercial markets.
Co-Authors A, Aunurohim Abdul Razak Abdul Hadi, Abdul Razak Achmad Fauzi Afrilya Dina Salsabila Alifia Cahyaning Putri Anak Agung Gede Sugianthara Anies Wijayanti Anies Wijayanti Aulia Istighfarotunnisa Aulia, Wina Intan Nur Aunurohim Aunurohim Awik Pudji Diah Nurhayati Awik Puji Dyah Nurhayati Bahruddin Salam Danang Samudra Devi Pramesti Wulandari Didit Prasetyo Dini Adni Navastara, Dini Adni Dwi Oktafitria Edwin Setiawan Eko Purnomo Enny Zulaika Enny Zulaika F, Fauziah Farid Kamal Muzaki Fitria, N. Yeni Geoloveriana Esasi Handoko, Wisnu Hani Sirine Hermawan Hermawan Hermawan Iska Desmawati Kamila Islamiati Kharisma Armida Ulayya Kristianto Kristianto Kuntum Febriyantiningrum Lanny Kartikasari Lissa Rosdiana Maitsa Adzro Fania Marita Ika Joesidawati Millah, Ro’iqotul Mulyadi, Yeyes N. Nurjannah Nadhila, Auliya Rahma Nadila Wulan Cahyani Natanael Hari Wijaya Nia Nurfitria Noor Nailis Sa'adah Noor Nailis Saadah Noor Nailis Sa’adah Nova Maulidina Ashuri Nurjannah N, Nurjannah Nurlita Abdulgani Nurlita Abdulgani Nurul Jadid Oktafitria, Dwi Rahmadani, Syakirah Shafwah Rarastoeti Prastiwi Ridho, Muhammad Ainur Rosyid Rony Irawanto S, Suwarsih Sa'adah, Noor Nailis Sabila Ghassani Salim Arrokhman Saptarini, Dian Setiawan, Ariyono Shabrina Syifa Ghaissani Shinta Hartanto Shinta Hartanto, Shinta Shovitri, Maya Sri Wulandari Sukardiman Sukma, Nur Awaliyah Mentari Syahroni, Nur Triono Bagus Saputro, Triono Bagus Triwibowo, Radestya Tutik Nurhidayati Utami, Prastyo Rinie Budi Wahyuni, A. A. Istri Sri Wijayanti Pujitono Zufar Azzaria Azmi Zuwanita, Cyntya Sri