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Nexus: Journal of Cross-Disciplinary Insights
Published by Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia
ISSN : -     EISSN : 31234186     DOI : https://doi.org/10.69836/nexus
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy
Nexus: Journal of Cross-Disciplinary Insights E- ISSN 3123-4186 focuses on publishing research in the field of Science and Technology, encompassing both basic and applied sciences. This journal facilitates scientific work oriented towards knowledge development, technological innovation, and the integration of multidisciplinary approaches to address various contemporary scientific issues. With a focus on science and technology research, Nexus aims to be an academic platform that encourages relevant, high-quality, and effective scientific contributions. Nexus: Journal of Cross-Disciplinary Insights 2 (two) issues a year in June And December, however articles that have been declared accepted will be queued in the In-Press issue before published in the determined time. Nexus serves as a bridge for researchers and thinkers seeking to generate comprehensive understandings and holistic solutions, promoting a scholarly dialogue that cuts across the spectrum of knowledge.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 19 Documents
 1   2 
Hubungan Pengetahuan dan Sikap Masyarakat dalam Penanganan Pertama Korban Kecelakaan Lalu Lintas Julianto Julianto; Nabilah Siregar
Nexus: Journal of Cross-Disciplinary Insights Vol. 1 No. 2 (2025): Multidisciplinary Studies on Education, Agriculture, and Social Resilience in C
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v1i2.235

Abstract

Salah satu bentuk kejadian yang dapat menyebabkan kondisi kegawatdaruratan pada korban dan kerap terjadi di masyarakat yaitu kecelakaan lalu lintas. setidaknya 1,9 juta nyawa manusia di dunia terancam akibat kecelakaan setiap tahun. Sebagian besar korban akibat trauma dan meninggal di lingkup pra rumah sakit tidak memperoleh pertolongan pertama yang adekuat sebelum mencapai fasilitas kesehatan. Rendahnya kapasitas masyarakat dalam menangani kondisi darurat ini berkontribusi terhadap tingginya angka keparahan cedera dan kematian. Masyarakat sering kali berperan sebagai first responder sehingga pengetahuan dan sikap mereka terhadap pertolongan pertama menjadi faktor krusial dalam menurunkan angka komplikasi dan kematian akibat kecelakaan. Penelitian ini bertujuan untuk menganalisis hubungan antara pengetahuan dan sikap masyarakat dalam penanganan pertama korban kecelakaan lalu lintas. Penelitian ini menggunakan desain analitik observasional yang dilakukan pada 50 masyarakat di Huta III di Kabupaten Simalungun menggunakan purposive sampling pada tanggal 05-07 Februari 2026. Data dikumpulkan menggunakan kuesioner dan dianalisis dengan uji Chi Square. Hasil penelitian ini yaitu mayoritas masyarakat memiliki pengetahuan kurang (24 orang atau 48%) dan sikap negatif (29 orang atau 58%) dalam penanganan pertama kecelakaan lalu lintas 24 orang (48%). Ada hubungan signifikan antara pengetahuan dengan sikap masyarakat dalam penanganan pertama pada korban kecelakaan lalu lintas (P value 0.000). Penulis menyarankan agar dilakukan tindak lanjut secara kontinyu berupa edukasi atau penyuluhan atau pelatihan bagi masyarakat awam tentang penanganan pertama kecelakaan lalu lintas.
The Integration of Color Psychology in the Construction Industry: A Multidisciplinary Review from Architectural, Civil Engineering, and MEP Perspectives Arnoldus Cornelis; Lucia Vega Tri Krismastuti
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 1 (2026): Interdisciplinary Innovation for Sustainable Development
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i1.265

Abstract

The modern construction industry confronts complex challenges that require the built environment to transcend mere structural compliance and actively promote psychological well-being, productivity, and human safety. This study explores the integration of color psychology as a fundamental element in the engineering of the built environment through a multidisciplinary approach encompassing Architecture, Civil Engineering (specifically Occupational Health and Safety/OHS), and Mechanical, Electrical, and Plumbing (MEP) engineering. Drawing upon a systematic literature review following the PRISMA guidelines for structured article identification and screening, and conceptual synthesis, the findings indicate that color operates as a crucial neurobiological catalyst. Within architecture, color modulates cognition, emotion, and thermal perception (examining the hue-heat hypothesis and thermal reflectance index). In civil engineering and OHS, standardized color coding elicits heuristic responses for instantaneous hazard mitigation on-site, specifically serving to minimize visual work fatigue. Furthermore, in MEP engineering, color is utilized as an ontological mapping system to navigate critical infrastructure; this is subsequently integrated with Building Information Modeling (BIM) to facilitate spatial conflict resolution. The synergy of these disciplines, further supported by Human-Centric Lighting (HCL), is proposed as a holistic framework for optimizing the building life cycle and ensuring worker safety.
Integrated Hydrogeochemical and Microbial Risk Assessment of Sandstone Aquifers in Tropical Sedimentary Basins: Methods, Controls, and Public Health Implications Esomchukwu Jennifer Onyeka; Charles Onyeka Nwamekwe; Ifeanyichukwu Benjamin Unigwe
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 1 (2026): Interdisciplinary Innovation for Sustainable Development
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i1.310

Abstract

Sandstone aquifers in tropical sedimentary basins are major groundwater reservoirs, yet their public-health safety is often underestimated when assessment is restricted to physicochemical quality. This review addresses the persistent mismatch between chemically acceptable groundwater and microbiologically unsafe water, especially in shallow, permeable aquifers exposed to intense rainfall, pit latrines, septic systems, dumpsites, agricultural runoff, and weak wellhead protection. A structured narrative synthesis was conducted using peer-reviewed hydrogeological, hydrogeochemical, microbiological, vulnerability, and environmental health studies from Scopus, Web of Science, ScienceDirect, SpringerLink, and Google Scholar. The review focused on tropical sandstone aquifer systems in Africa, Asia, and South America. It examined lithological controls, major-ion evolution, microbial indicators, contamination pathways, WHO-based classification, Water Quality Index applications, contamination indices, multivariate statistics, GIS-based vulnerability mapping, and integrated hydro-microbial risk scoring. The synthesis shows that groundwater chemistry is governed mainly by silicate weathering, carbonate dissolution, cation exchange, shale interbeds, residence time, and anthropogenic inputs. However, chemical compliance does not confirm potable safety. Reported evidence includes TDS below 500 mg/L in chemically acceptable Nigerian basin aquifers, while all 12 shallow wells in Abeokuta tested positive for total coliform and Escherichia coli. Microbial loads increased during wet seasons, with Calabar groundwater recording total coliform increases from 76 to 468 CFU/100 mL and Salmonella/Shigella reaching 1081 CFU/100 mL. DRASTIC mapping further classified 21% of the Dahomey Basin as highly vulnerable. The review therefore proposes an integrated framework linking hydrochemistry, microbial evidence, vulnerability, GIS, and health-risk interpretation for safer, adaptive, and evidence-based groundwater governance.
From Monetization to Social Impact: Business Model Adjustment in Circlegeo’s .GIS Platform Andina, Fatikhah Nurrahmi
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 1 (2026): Interdisciplinary Innovation for Sustainable Development
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i1.309

Abstract

This study explores the business model of the .GIS platform product developed by Circlegeo using the Nine Buildings framework based on the Business Model Canvas and the Theory of Change framework to analyze the social impact created by the .GIS platform. Data were obtained through semi-structured interviews, non-participant observation, and systematic document analysis. The results show a shift in the business model. In 2022, Circlegeo shifted its target market from its previous focus on B2C and B2G customer segments to B2B and B2G, which will continue until 2026. The social impact analysis also shows that the .GIS platform's contribution to society is not only practical for geospatial analysis but also its usefulness in academic research. These findings indicate that Circlegeo positions the .GIS platform as a dual-purpose PLG instrument: introducing the company to potential customers of other paid products while simultaneously creating independent social impact. Previous research on freemium and product-led growth (PLG) business models has generally positioned free strategies as customer acquisition tools toward monetization, with limited potential for creating tangible social impact. This research contributes to the literature on PLG and freemium business models by demonstrating that such strategies can be a pathway to authentic social impact creation, not simply a step towards monetization.
Self-Diagnose dan Dampak Burnum Effect pada Gen z di Era Digital Nirina Khoirun Naja Musyafa; Fitria Nur Aini Dzumirroh; Nabila Mairantika; Aulia Reiha Nisa
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 1 (2026): Interdisciplinary Innovation for Sustainable Development
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i1.311

Abstract

Gen z merupakan kelompok masyarakat yang aktif dalam mengakses informasi dan mengonsumsi berbagai konten digital, termasuk informasi psikologi yang ada di berbagai platform media sosial. Akan tetapi, paparan konten tersebut sering kali memicu munculnya kecenderungan pada individu untuk mengaitkan pengalaman pribadinya dengan deskripsi yang mereka temukan di media sosial. Akibatnya, tidak sedikit individu atau Gen z yang kemudian melakukan self-diagnose, yaitu upaya mendiagnosis kondisi psikologis dirinya sendiri berdasarkan informasi yang tersedia yang berkaitan dengan gejala yang dirasakan tanpa melalui proses asesmen profesional. Salah satu faktor psikologis yang dapat menjelaskan kecenderungan tersebut adalah Burnum effect. Penelitian ini bertujuan untuk mengkaji dan menjelaskan bagaimana Burnum effect berkaitan erat dengan perilaku self-diagnose pada Gen z, yaitu bagaimana kecenderungan individu mempercayai deskripsi kepribadian yang bersifat umum dapat mendorong mereka untuk mendiagnosis kondisi psikologisnya sendiri tanpa bantuan profesional. Penelitian ini menggunakan metode analisis deskriptif kualitatif dengan mengumpulkan data melalui studi literatur. Hasil dan pembahasan studi literatur mengenai burnum effect yang menjadi faktor utama dalam perilaku Self-Diagnose, ditemukan bahwa burnum effect berkaitan erat dengan perilaku Self-Diagnose karena burnum effect merupakan kondisi psikologis dimana individu memiliki kecenderungan mempercayai sebuah deskripsi terkait kepribadian yang bersifat umum namun seolah olah menggambarkan dirinya secara khusus. Kesimpulannya artikel ini menegaskan bahwa Burnum effect dan kemudahan akses informasi di media sosial merupakan kombinasi yang mendorong Gen z untuk melakukan Self-Diagnose, yang pada akhirnya berpotensi membahayakan kesehatan mental mereka jika tidak disertai dengan literasi digital yang memadai.
Optimasi Loading Bay Menggunakan Model Antrian M/M/1 untuk Meningkatkan Efisiensi Bongkar Muat pada  Industri Kawat Baja Fitrianto; Lia Kian
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 1 (2026): Interdisciplinary Innovation for Sustainable Development
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i1.315

Abstract

Keterbatasan fasilitas loading bay pada perusahaan industri kawat baja berpotensi menyebabkan antrian kendaraan, peningkatan waiting time, dan bottleneck pada aktivitas bongkar muat kontainer impor dan ekspor. Penelitian ini bertujuan untuk menganalisis efektivitas optimalisasi loading bay terhadap peningkatan kinerja bongkar muat kontainer. Penelitian menggunakan metode deskriptif komparatif dengan pendekatan kuantitatif dan studi kasus. Analisis dilakukan menggunakan teori antrian (queueing theory) dengan model antrian M/M/1 berdasarkan data operasional periode Oktober 2025 dan April 2026 yang diperoleh melalui observasi, dokumentasi, dan studi literatur. Hasil penelitian menunjukkan bahwa rata-rata waktu kontainer dalam sistem mengalami penurunan dari 818,07 menit / kontainer pada Oktober 2025 menjadi 401,32 menit / kontainer pada April 2026 atau turun sebesar 50,95%. Selain itu, waiting time pada periode Oktober 2025 lebih tinggi dibandingkan April 2026 akibat ketidakseimbangan antara tingkat kedatangan dan kapasitas pelayanan. Kebaruan penelitian ini terletak pada penerapan model antrian M/M/1 sebagai alat analisis untuk mengevaluasi dampak optimasi loading bay terhadap efisiensi bongkar muat pada industri kawat baja. Berbeda dengan penelitian terdahulu yang umumnya berfokus pada pengukuran kinerja antrian, penelitian ini mengintegrasikan analisis parameter antrian sebelum dan sesudah optimasi sehingga mampu menunjukkan pengaruh langsung perbaikan operasional terhadap kinerja sistem.Penelitian ini menyimpulkan bahwa optimasi penggunaan loading bay dan pengelolaan sistem antrian mampu meningkatkan efisiensi operasional bongkar muat secara signifikan. Kontribusi ilmiah penelitian ini adalah memberikan bukti empiris mengenai efektivitas model M/M/1 dalam mendukung evaluasi dan pengambilan keputusan operasional pada fasilitas loading bay, serta menyediakan referensi bagi industri manufaktur yang memiliki keterbatasan kapasitas pelayanan dalam upaya mengurangi bottleneck dan meningkatkan produktivitas logistik.
Genetic Dissection of Drought Tolerance in Tomato Using Simple Sequence Repeat Markers: A Comprehensive Review Steviani Yolanda; Dede Ramadhan
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 2 (2026): Science for a better life
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i2.341

Abstract

Tomato (Solanum lycopersicum) is an economically important crop whose productivity is increasingly constrained by drought stress under changing climatic conditions. Conventional breeding for drought tolerance is often slow because this trait is quantitatively inherited and strongly influenced by environmental factors. Molecular markers, particularly Simple Sequence Repeats (SSRs), have become valuable tools for improving selection efficiency and accelerating breeding progress. This review examines the role of SSR markers in the development of drought-tolerant tomato cultivars. The physiological, biochemical, and molecular responses of tomato to drought stress, including growth reduction, photosynthetic impairment, osmotic adjustment, hormonal regulation, and oxidative stress responses, are briefly discussed. The genetic characteristics of SSR markers, including their high polymorphism, co-dominant inheritance, and multi-allelic nature, are highlighted as key advantages for genetic analysis and breeding applications. Furthermore, the review synthesizes recent findings on the use of SSR markers for genetic diversity assessment, Quantitative Trait Loci (QTL) mapping, and identification of genomic regions associated with drought-related traits such as relative water content, chlorophyll stability, root architecture, and proline accumulation. The application of SSRs in Marker-Assisted Selection (MAS), including marker-assisted backcrossing and QTL pyramiding, is also discussed. Finally, the review evaluates the continuing relevance of SSR markers in the genomic era, emphasizing their complementary role alongside Single Nucleotide Polymorphism (SNP) markers, Genome-Wide Association Studies (GWAS), and Genomic Selection (GS). Integrating SSR-based approaches with modern genomic tools offers a promising strategy for developing climate-resilient tomato cultivars and enhancing future food security.
Supply Chain Performance Evaluation of New Product Variant Production Using SCOR Metrics (Study at CV AW – East Java) Nurilia Fitri Prabawati; Fahmi Hidayat; Henry Hafidz Anbiya
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 2 (2026): Science for a better life
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i2.336

Abstract

This research uses SCOR attributes such as order fulfilment rate, on-time delivery rate, and customer complaint rate to assess whether new product variants disrupt the queueing of existing items. All variants will be run on the same machine to optimize machine capacity. The company hesitates because new variants would disrupt existing product fulfilment. To ensure CV AW would take this opportunity, research using the SCOR metric was conducted to assess order fulfilment performance. Many organizations currently struggle with subjective or fragmented evaluation systems, often failing to capture the multidimensional complexities. Specifically, metrics such as on-time in-full delivery and perfect order fulfillment remain critical benchmarks for customer satisfaction. Yet, their assessment is frequently hampered by poor alignment with the comprehensive Supply Chain Operations Reference model. While the SCOR model is widely recognized for its diagnostic capability to identify performance bottlenecks, it often lacks prescriptive guidance on the specific operational shifts required to resolve identified inefficiencies. Consequently, this research aims to bridge this gap by applying a refined SCOR-based approach to quantify and optimize distribution performance, thereby addressing the persistent disconnect between strategic objectives and operational execution. This research found that it takes several months to adapt, but ultimately both the order fulfilment and on-time delivery rates can stabilize above 95%. The business was very strict, but the production team was very responsive; it took them 6 months to establish stable production for new variants.
Pengaruh Kualitas Pelayanan Dan Persepsi Harga Terhadap Kepuasan Pelanggan Studi Pada Penggunaan Jasa Transportasi Laut Di Kota Batam Dinda Rosi; Budi Rahardjo
Nexus: Journal of Cross-Disciplinary Insights Vol. 2 No. 2 (2026): Science for a better life
Publisher : Yayasan Penelitian dan Pengabdian Masyarakat Sisi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69836/nexus.v2i2.352

Abstract

Kota Batam memegang peranan strategis sebagai pusat transportasi laut untuk mobilitas masyarakat dan pengiriman barang di Kepulauan Riau, namun munculnya keluhan pelanggan terkait keterlambatan jadwal, fasilitas yang kurang memadai, serta kesesuaian harga mengindikasikan adanya kesenjangan antara ekspektasi dan realitas layanan. Penelitian ini bertujuan untuk menganalisis pengaruh kualitas pelayanan dan persepsi harga secara parsial maupun simultan terhadap kepuasan pelanggan pengguna jasa transportasi laut di Kota Batam. Dengan mengadopsi pendekatan kuantitatif asosiatif, data dikumpulkan melalui kuesioner berskala Likert dari 12 responden yang dipilih berdasarkan kriteria berusia minimal 17 tahun dan telah menggunakan layanan transportasi laut sekurang-kurangnya tiga kali. Data dianalisis menggunakan pengujian deskriptif, uji validitas dan reliabilitas, regresi linear berganda, uji t, uji F, serta analisis koefisien determinasi () via IBM SPSS 26. Hasil penelitian menunjukkan bahwa kualitas pelayanan () dan persepsi harga () masing-masing berpengaruh positif dan signifikan secara parsial terhadap kepuasan pelanggan. Secara simultan, kedua variabel berpengaruh signifikan () dengan kontribusi penjelasan variasi kepuasan pelanggan sebesar 78,9% (). Penelitian ini menyimpulkan bahwa perbaikan pada aspek kualitas pelayanan dan persepsi harga secara bersama-sama merupakan kunci utama dalam meningkatkan kepuasan pelanggan, dengan kualitas pelayanan menjadi faktor dominan. Sebagai rekomendasi, penyedia jasa transportasi laut disarankan untuk membenahi ketepatan waktu keberangkatan, kenyamanan fasilitas, dan transparansi harga tiket, sementara peneliti selanjutnya disarankan memperluas cakupan sampel serta menambahkan variabel lain seperti citra perusahaan atau kualitas fasilitas digital

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