Qatar University Institutional Repository: Recent submissions
Now showing items 841-860 of 28761
-
Investigation of boron-doped graphene oxide anchored with copper sulphide flowers as visible light active photocatalyst for methylene blue degradation
( Nature Research , 2023 , Article)The non-biodegradable nature of waste emitted from the agriculture and industrial sector contaminates freshwater reserves. Fabrication of highly effective and low-cost heterogeneous photocatalysts is crucial for sustainable ... -
Characterization and source identification of PM2.5 during intense haze episodes in an urban environment of Lahore
( Elsevier , 2024 , Article)In the backdrop of persistent haze occurrences affecting Southeast Asia and Pakistan's environmental landscape, this study delves into an in-depth analysis of atmospheric Particulate Matter (PM2.5) during intense haze ... -
Enhanced electromagnetic interference shielding using Nanosilver-Decorated Graphene/Poly(vinyl chloride) nanocomposite films
( Elsevier , 2024 , Article)Silver nanoparticles (AgNPs) were prepared by chemical reduction and grafted onto thermally reduced graphene oxide (TRGO) sheets. PVC-based nanocomposite films with various Ag/TRGO concentrations were synthesized via ... -
Ternary silver tungstate-MoS2/graphene oxide heterostructure nanocomposite for enhanced photocatalysis under visible light and antibacterial activity
( Elsevier , 2023 , Article)Wastewater emanating out of industrial units is loaded with hazardous organic dyes. The hindrance in sunlight penetration into the water by this dye-loaded wastewater has led to disruption in an aquatic ecosystem. Along ... -
Coal fly ash supported Ag@Bi2WO6: A novel heterogeneous nanocomposite for effective sunlight driven photocatalytic degradation of dye
( Elsevier , 2023 , Article)Water contamination is a serious environmental issue. It has detrimental effects on the living habitat. This contaminated water is treated with numerous physicochemical techniques. Presently, adsorption-enhanced photo-catalysis ... -
The GO/Bi2O3/WO3 ternary hybrid composite as an efficient sunlight-driven heterogeneous photocatalyst for wastewater remediation
( Springer Nature , 2024 , Article)Semiconductor photocatalysts with engineered heterostructure are gaining attention for environmental remediations. The combination of two or more metal oxides with support materials has proved an effective strategy for ... -
Chemical composition of indoor and outdoor PM2.5 in the eastern Arabian Peninsula
( Springer , 2024 , Article)Water-soluble and trace metal species in fine particulate matter (PM2.5) were determined for indoor and outdoor environments in Doha, Qatar. During the study period, PM2.5 concentrations showed significant variability ... -
Carbon based sensors for air quality monitoring networks; middle east perspective
( Frontiers Media SA , 2024 , Article Review)IoT-based Sensors networks play a pivotal role in improving air quality monitoring in the Middle East. They provide real-time data, enabling precise tracking of pollution trends, informed decision-making, and increased ... -
Using learning analytics to measure self-regulated learning: A systematic review of empirical studies in higher education
( John Wiley and Sons Inc , 2024 , Article Review)Background: Measuring students' self-regulation skills is essential to understand how they approach their learning tasks in order to identify areas where they might need additional support. Traditionally, self-report ... -
Improving remote health monitoring: A low-complexity ECG compression approach
( Multidisciplinary Digital Publishing Institute (MDPI) , 2018 , Article)Recent advances in mobile technology have created a shift towards using battery-driven devices in remote monitoring settings and smart homes. Clinicians are carrying out diagnostic and screening procedures based on the ... -
Fire Alarm System for Smart Cities Using Edge Computing
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The current urban planning trend is to build smart cities that are advanced, safe and sustainable. To build these cities several technologies could be exploited including the Internet of Things (IoT) and edge computing. ... -
Unveiling the Shadows: Leveraging Current Drone Detection Vulnerabilities to Design and Build a Stealth Drone
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference Paper)Drones have become a popular tool for illegal activities and attacks, causing serious threats to global security. In order to address this issue, our project aims to demonstrate the limitations of current drone detection ... -
Investigation of TCP protocols in dynamically varying bandwidth conditions
( Springer Verlag , 2015 , Conference Paper)Cognitive radio (CR) networks experience fluctuating spectrum availability that impacts the end to end bandwidth of a connection. In this paper, we conduct an extensive simulation study of three different window-based TCP ... -
Secure medical treatment with deep learning on embedded board
( Elsevier , 2020 , Book chapter)Deep brain stimulator is among several medical devices known by doctors and scientists for the treatment of movement disorders, such as Parkinson's disease, essential tremor, and dystonia. The security of these devices is ... -
Biometric-based authentication scheme for Implantable Medical Devices during emergency situations
( Elsevier , 2019 , Article)Biometric recognition and analysis are among the most trusted features to be used by Implantable Medical Devices (IMDs). We aim to secure these devices by using these features in emergency scenarios. As patients can witness ... -
Malware detection for mobile computing using secure and privacy-preserving machine learning approaches: A comprehensive survey
( Elsevier , 2024 , Article)Mobile devices have become an essential element in our day-to-day lives. The chances of mobile attacks are rapidly increasing with the growing use of mobile devices. Exploiting vulnerabilities from devices as well as ... -
RF-based drone detection and identification using deep learning approaches: An initiative towards a large open source drone database
( Elsevier , 2019 , Article)The omnipresence of unmanned aerial vehicles, or drones, among civilians can lead to technical, security, and public safety issues that need to be addressed, regulated and prevented. Security agencies are in continuous ... -
Content Validity and User Satisfaction Evaluation of Visualization Training Tool for Surgeons for Urethral Dissection during Robot-Assisted Radical Prostatectomy
( Association for Computing Machinery , 2021 , Conference Paper)Training and skills assessment for robotic surgeries has received unprecedented attention in technological research in the last few years due to the gradual adoption of minimally invasive robotic interventions. Robot-assisted ... -
Stochastic Geometry-Based Physical-Layer Security Performance Analysis of a Hybrid NOMA-PDM-Based IoT System
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)With the development of low-cost computer chips and wireless networks, any object or thing can become a component of the Internet of Things (IoT). As a result, these disparate things will gain digital intelligence, enabling ... -
Microplastics in different environmental compartments in India: Analytical methods, distribution, associated contaminants and research needs
( Elsevier B.V. , 2020 , Article)This study aims at reviewing the scientific literature related to microplastic (MP) pollution in various environmental matrices in India and highlighting the research gaps for future research priorities. Currently used ...