E-Journal UMSIDA (Universitas Muhammadiyah Sidoarjo)
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1909 research outputs found
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Cyber Attacks Undermine Audit Accuracy and Data Security in Banking: Serangan Siber Merusak Akurasi Audit dan Keamanan Data di Perbankan
No full textGeneral Background: The rise of digital financial systems has increased banking institutions' exposure to cyber threats, particularly security system breaches, posing risks to data integrity and audit operations. Specific Background: Iraqi commercial banks have experienced frequent cyber attacks on accounting information systems, raising concerns about audit accuracy, data manipulation, and access delays. However, research on these threats' direct consequences for auditing remains scarce. Knowledge Gap: Prior studies emphasize cybersecurity measures but overlook how cyber attacks disrupt audit processes, transparency, and efficiency. Aims: This study evaluates security breaches' effects on auditing, assesses data manipulation risks, examines delays in financial access, and explores cyber incident investigations' role in mitigating threats. Results: Findings reveal that hacking compromises audit accuracy, causes operational delays, and threatens financial security, emphasizing the need for advanced cybersecurity measures. Novelty: This study bridges cybersecurity and auditing, providing empirical evidence on cyber threats’ disruption of audit performance. Implications: Strengthening cybersecurity frameworks is essential for maintaining audit reliability and financial sector stability.
Highlights:
Cyber attacks compromise audit efficiency, data integrity, and financial security.
Hacking, data manipulation, and delays weaken audit accuracy and transparency.
Strengthening cybersecurity enhances audit reliability and banking sector stability.
Keywords: Cybersecurity, Audit, Cyberattacks, Accounting Information Systems
 
Applied Model for Horizontal Well Matrix Acidizing: Model Terapan untuk Pengasaman Matriks Sumur Horisontal
No full textGeneral Background: Horizontal wells often exhibit low productivity due to formation damage induced by drilling, work-over, production, and injection operations, which impair the physical integrity around the wellbore. Specific Background: Matrix acidizing has been widely adopted to mitigate such damage, especially in complex horizontal well environments where acid distribution along the wellbore directly influences stimulation effectiveness. The process is particularly intricate in reservoirs with varying geological properties, necessitating a thorough understanding of acid-rock interactions and damage mechanisms. Knowledge Gap: Despite extensive historical use of acidizing since the late 19th century, challenges remain in optimizing acid placement, minimizing formation damage, and enhancing well productivity, especially in heterogeneous reservoirs. Aims: This study investigates the mechanisms of formation damage, evaluates the role of different acid types and additives in carbonate and sandstone reservoirs, and models acid distribution to improve stimulation outcomes in long horizontal wells. Results: The modeling approach effectively simulates acid placement and wormhole formation, demonstrating enhanced productivity and damage mitigation. Historical advancements, from early HCl treatments to modern mud acid applications, were analyzed to contextualize current practices. Novelty: The integration of advanced simulation techniques with an in-depth analysis of acid interactions offers new insights into optimizing matrix acidizing, particularly under variable reservoir conditions. Implications: The findings provide a framework for designing more efficient acidizing treatments, reducing operational costs, and improving hydrocarbon recovery. This research contributes to the broader understanding of formation damage control, guiding future strategies in well stimulation and reservoir management.
Highlights:
Formation Damage: Causes, impact, and mitigation strategies.
Acidizing Process: Optimization of acid placement and additive use.
Modeling Approach: Simulates acid flow for better well stimulation.
Keywords: Horizontal wells, Formation damage, Matrix acidizing, Acid-rock interaction, Well stimulatio
Data-Driven Modeling for Sustainable Urban Drainage Management: Pemodelan Berbasis Data untuk Pengelolaan Drainase Perkotaan yang Berkelanjutan
No full textGeneral Background: Sustainable water and sanitation management is crucial in urban environments due to rapid urbanization and climate change, which strain underground engineering networks. Specific Background: The increasing frequency of extreme precipitation events and rising water demand necessitate advanced hydraulic modeling to optimize drainage and sewer systems. Knowledge Gap: Current methodologies lack accuracy in simulating flow dynamics, sediment accumulation, and energy losses in complex drainage networks, largely due to infrequent and costly CCTV inspections. Aims: This study aims to enhance hydraulic modeling accuracy by integrating real-world measurements with numerical simulations to assess system performance, optimize drainage efficiency, and mitigate flooding risks. Results: The findings highlight that pipe roughness, sediment deposition, and biofilm accumulation significantly alter hydraulic conditions over time. Regular monitoring and adaptive drainage designs are essential for improving system resilience and reducing maintenance costs. Novelty: This research underscores the importance of multi-purpose collectors and introduces a data-driven approach to drainage management, addressing limitations in existing models. Implications: The study provides critical insights for urban planners and engineers, advocating for smart sensor integration and predictive analytics to enable real-time monitoring and sustainable infrastructure development. Future research should incorporate climate projections and IoT-based monitoring for enhanced urban resilience.
Highlights:
Challenge: Urbanization and climate change strain drainage and sewer systems.
Solution: Integrating real-world data with simulations improves hydraulic modeling accuracy.
Impact: Smart sensors and predictive analytics enhance drainage efficiency and resilience.
Keywords. Precipitation, sewerage, urbanization, cable network, pipeline, drains
Nanoisoflavonoids as a Promising Therapeutic Strategy for Glucocorticoid-Induced Osteoporosis: Nanoisoflavonoid sebagai Strategi Terapi yang Menjanjikan untuk Osteoporosis yang Diinduksi Glukokortikoid
No full textGeneral Background: Osteoporosis, a common condition exacerbated by glucocorticoid use, leads to significant bone loss and increased fracture risk. Specific Background: Conventional treatments primarily target calcium regulation, but emerging evidence suggests that natural compounds like isoflavonoids may offer therapeutic benefits. Knowledge Gap: Despite their potential, the efficacy of isoflavonoids and their nanoformulations in managing glucocorticoid-induced osteoporosis remains underexplored. Aims: This study aimed to evaluate the therapeutic effects of vitamin D, Ginkgo biloba isoflavonoid extract, and nanoisoflavonoids on glucocorticoid-induced osteoporosis in adult male rats. Results: Sixty rats were divided into five groups: a control, an osteoporosis model, and three treatment groups receiving vitamin D (10,000 IU/day), isoflavonoid extract (500 mg/kg/day), or nanoisoflavonoids (500 mg/kg/day) for one month. Molecular and physiological assessments revealed that nanoisoflavonoids were the most effective in restoring serum vitamin D levels, reducing parathyroid hormone concentrations, and downregulating parathyroid hormone gene expression, followed by isoflavonoid extract and vitamin D. Novelty: This study provides the first comprehensive evaluation of nanoisoflavonoids' superior efficacy in mitigating glucocorticoid-induced osteoporosis, highlighting their enhanced bioavailability and therapeutic potential. Implications: These findings suggest that nanoisoflavonoids could serve as a promising plant-derived nanotherapeutic for osteoporosis management, warranting further investigation through long-term studies and clinical trials to validate their safety and efficacy in human populations.Highlights:
Glucocorticoid-induced osteoporosis lacks effective natural compound treatments.
Nanoisoflavonoids restore vitamin D, reduce parathyroid hormone effectively.
Nanoisoflavonoids offer a promising therapeutic strategy for osteoporosis management.
Keywords: Osteoporosis, glucocorticoids, Ginkgo biloba, isoflavonoids, nanoisoflavonoids, vitamin D, parathyroid hormone, bone metabolism
 
Simulation Analysis of Airfoil for Solar-Powered UAV Applications: Analisis Simulasi Profil Sayap untuk Aplikasi UAV Bertenaga Surya
No full textGeneral Background: Solar-powered unmanned aerial vehicles (UAVs) are increasingly utilized for long-duration missions due to their ability to harness renewable energy, reducing operational costs and environmental impact. Specific Background: The aerodynamic performance of airfoils is crucial in optimizing flight efficiency and endurance for solar-powered UAVs, as it directly affects lift, drag, and overall energy consumption. Knowledge Gap: Despite the importance of airfoil selection, there is limited research on the aerodynamic characteristics of the NACA 2412 airfoil for solar-powered UAV applications under varying flight conditions. Aims: This study aims to analyze the aerodynamic performance of the NACA 2412 airfoil using XFLR5 software, focusing on the variation of lift, drag, and the coefficient of lift (Cl) across different angles of attack and Reynolds numbers to evaluate its suitability for solar UAVs. Results: The findings reveal that the NACA 2412 airfoil offers a well-balanced aerodynamic performance with favorable lift-to-drag characteristics. It demonstrates efficient lift generation while maintaining low drag at moderate angles of attack, making it a viable candidate for solar UAV applications. Novelty: This study provides a comprehensive simulation-based evaluation of the NACA 2412 airfoil, offering new insights into its performance under specific flight conditions for solar-powered UAVs. Implications: The results contribute to the informed selection of airfoils for solar UAV design, supporting the development of more efficient and enduring solar-powered aerial systems.
Highlights:
Evaluating NACA 2412 airfoil for solar-powered UAV efficiency.
XFLR5 simulation analyzing lift, drag, and aerodynamic performance.
NACA 2412 offers balanced lift-to-drag, supporting solar UAV applications.
Keywords: Solar-Powered UAV, Airfoil, Aerodynamic Analysis, UAV performance, Energy Efficiency, Lift to Drag Ratio, Reynolds Number, Solar Energy Systems
Digitalization in Air Traffic Management and Enhancement of Personnel Training Technologies: Digitalisasi dalam Manajemen Lalu Lintas Udara dan Peningkatan Teknologi Pelatihan Personel
No full textGeneral Background: The rapid advancement of digital technologies offers transformative possibilities for improving Air Traffic Management (ATM) and enhancing personnel training systems. Specific Background: In Uzbekistan, air navigation development is undergoing modernization, yet the adoption of advanced digital tools remains limited. Knowledge Gap: Despite global progress in digitalizing ATM, there is a lack of comprehensive evaluation on how digital tools impact both operational efficiency and the effectiveness of air traffic controller (ATC) training, particularly in developing aviation environments like Uzbekistan. Aims: This study aims to assess the integration of digital technologies in Uzbekistan’s ATM processes using a system modeling approach, focusing on operational improvements and training outcomes. Results: The findings demonstrate that AI-based decision support systems, real-time data analytics, radar automation, and virtual reality (VR) training platforms significantly enhance airspace safety, communication accuracy, and skill acquisition. System modeling, supported by MATLAB Simulink and Arena Simulation, revealed quantifiable improvements in traffic management efficiency and trainee performance. Novelty: This study provides the first systematic evaluation of digital ATM integration in Uzbekistan, offering empirical evidence on how these technologies align with ICAO and EUROCONTROL standards while addressing region-specific challenges. Implications: The results inform future policy directions, advocating for strategic digital adoption to modernize ATM infrastructure and improve ATC personnel readiness, with potential applicability to other developing aviation systems.
Highlights:
Digital technologies transform Air Traffic Management (ATM) and training systems.
AI tools and VR training improve ATM efficiency and skill acquisition.
Supports digital adoption for modernizing Uzbekistan's ATM and enhancing ATC readiness.
Keywords: Air Traffic Management; Digitalization; System Modeling; Training Technology; Uzbekistan Aviatio
Evolving Legal Responsibilities and Challenges in Prosecuting Cybercrime Across Jurisdictions: Tanggung Jawab Hukum yang Berkembang dan Tantangan dalam Menindak Kejahatan Dunia Maya di Seluruh Yurisdiksi
No full textGeneral Background: In the digital age, cybercrime has emerged as a sophisticated and transnational threat, endangering global security, economic stability, and individual privacy. Specific Background: The rapid evolution of cyber-offenses challenges traditional legal frameworks, particularly in defining liability and proving criminal intent in virtual environments. Knowledge Gap: Despite ongoing reforms, there is limited clarity on how legal systems conceptualize and apply core criminal law principles such as actus reus and mens rea to cybercrime, particularly across diverse jurisdictions. Aims: This study investigates the evolving definitions of criminal responsibility in cybercrime, analyzes the adaptation of legal systems to digital threats, and explores the evidentiary challenges in proving guilt within cyberspace. Results: The findings confirm that while actus reus and mens rea remain applicable, their interpretation in digital contexts becomes significantly complex. Key challenges include jurisdictional disputes, offender anonymity, and digital evidence admissibility. Novelty: Through doctrinal and comparative legal research, this study presents a multi-jurisdictional analysis spanning the U.S., E.U., Asia, and the Middle East, offering a comprehensive perspective on legal convergence in addressing cybercrime. Implications: Legal systems must innovate by enacting precise cybercrime statutes, investing in digital forensic capabilities, enhancing professional education, and fostering global legal harmonization to ensure effective cyber justice.
Highlights:
Redefining Crime Elements: Adapting actus reus and mens rea digitally.
Legal Reform Needed: Update laws, boost digital investigation capacity.
Global Coordination Required: Harmonize international laws for cybercrime enforcement.
Keywords: Cybercrime, Criminal Responsibility, Digital Evidence, Comparative Law, Legal Refor
Assessing Export Potential: A Comprehensive Methodology for Economic Sectors: Menilai Potensi Ekspor: Metodologi Komprehensif untuk Sektor-sektor Ekonomi
No full textGeneral Background: The export potential of economic sectors plays a crucial role in assessing the competitiveness of enterprises in the global market. Specific Background: Current methodologies for evaluating export potential are divided into simple quantitative and complex multi-criteria methods, each with distinct advantages and challenges. Knowledge Gap: However, no existing approach fully integrates the various factors influencing exports with the outcomes of export activities, and production characteristics are often overlooked in the evaluation process. Aims: This study aims to improve the theoretical and methodological approach to assessing the export potential of economic sectors, using the Khorezm region's enterprises as a case study. Results: The findings suggest that products may face significant limitations, which could either hinder or facilitate their entry into foreign markets, depending on the identified constraints. Novelty: The article proposes a comprehensive framework that combines statistical research, comparative analysis, and systematic methods to enhance the assessment of export potential. Implications: The study offers practical recommendations for policymakers and enterprises, emphasizing the need for more integrated approaches that account for both quantitative and qualitative factors in export potential evaluations.
Highlights:
Methods: Quantitative and expert-based approaches for export potential assessment.
Framework: Combines statistical and systematic analysis for improved evaluation.
Gap: Overlooks production features in export potential assessments.
Keywords: Export potential, comparative assessment, economic sectors, methodology, international marke
Hepatoprotective Effects of Astaxanthin Against Diazinon-Induced Cardiotoxicity in Rats: Efek Hepatoprotektif Astaxanthin Terhadap Kardiotoksisitas yang Diinduksi Diazinon pada Tikus
No full textBackground: Astaxanthin, a marine-derived carotenoid, possesses potent antioxidant and anti-inflammatory properties with potential therapeutic effects in liver diseases. Specific Background: Diazinon, a widely used organophosphorus pesticide, induces hepatotoxicity through oxidative stress and inflammation. Knowledge Gap: Although astaxanthin’s antioxidant potential is recognized, its protective role against diazinon-induced liver injury remains underexplored. Aim: This study investigated the hepatoprotective effects of astaxanthin against diazinon-induced liver toxicity in male rats. Results: Thirty rats were divided into five groups and treated with diazinon alone or in combination with astaxanthin (50 mg/kg and 100 mg/kg), vitamin C, or distilled water for 30 days. Diazinon exposure significantly elevated serum ALT, AST, and IL-1β levels, reduced hepatic GPx activity, and caused histopathological liver damage. Astaxanthin pre-treatment, particularly at 100 mg/kg, significantly attenuated these effects by normalizing enzyme levels, reducing inflammatory markers, enhancing antioxidant activity, and preserving liver histology. Novelty: This study is among the first to demonstrate astaxanthin’s dose-dependent hepatoprotective effect against organophosphate-induced toxicity. Implications: Astaxanthin shows promise as a therapeutic agent for mitigating liver damage caused by environmental toxins, warranting further clinical and mechanistic investigations.
Highlights:
Astaxanthin lowers AST, ALT, IL-1β in treated rats.
Liver histology improved with astaxanthin pre-treatment.
Shows promise as hepatoprotective agent against diazinon toxicity.
Keywords: Diazinon, Astaxanthin, vitamin C, Antioxidants, hepatotoxicity
 
Strategic Leadership in the Digital Age to Strengthen Digital Citizenship in Educational Institutions
No full textGeneral Background: Digital citizenship—encompassing safe, responsible technology use, critical media literacy, and ethical engagement—is increasingly vital in today’s educational landscape. Specific Background: Strategic leadership, defined by vision, innovation, and adaptability, plays a pivotal role in guiding schools through digital transformation. Knowledge Gap: However, existing scholarship has yet to integrate leadership practices with a coherent framework for cultivating digital citizenship in K–12 settings. Aims: This study employs a literature review to synthesize relevant research and construct a comprehensive model linking strategic leadership behaviors to digital competency development. Results: Analysis reveals that effective leaders articulate long-term digital visions, align institutional strategies with technological goals, foster collaborative innovation, and model ethical online conduct, thereby facilitating responsible student engagement. Novelty: The resulting framework uniquely maps leadership dimensions—visioning, strategy alignment, culture building—to specific digital citizenship outcomes. Implications: Policymakers and practitioners can leverage these insights to design leadership development programs and institutional policies that empower students as competent, ethical digital citizens in the twenty-first-century learning environment.
Highlights:
Vision-driven strategy propels digital goals
Institutional alignment ensures coherent tech integration
Ethical culture underpins responsible online behavior
Keywords: Strategic Leadership, Technology Integration, Digital Citizenship, Ethical Digital Behavio