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563 articles for “OS”
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Development of PLLA-based Bio Inks Applicable in the Medical Field
Abstract: Some synthetic polymers, such as Poly (L-lactic acid) (PLLA), are interesting to use in 3D bioprinting because they can have adaptable and resilient mechanical properties that also facilitate bioprinting processes. PLLA is a biocompatible polymer which makes it very interesting for medical applications, it is an aliphatic polyester obtained from α-hydroxy acids in different ways: ring-opening polymerization, and direct polycondensation. The use of one path over the other depends on …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 24, Issue 2, 2022 · pp. 38–46 Read article
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Correlation Between Tree Diversity and Spectral Variables of Sentinel-2 Images: A Study of Langtang National Park, Nepal
Abstract: This study was objectively conducted to explore the tree diversity of Langtang National Park (LNP), Nepal and show the correlation between spectral variables and tree biodiversity. Sentinel-2 MSI of LNP in Nepal was acquired from https://scihub.copernicus.eu/. Total 60 samples were collected from forest. Pearson correlation was established to show relationship between tree species diversity and reflectance values. Bagging LASSO algorithm was used to validate the model. Result shows that Shannon-Weiner …
Published in Journal of Remote Sensing & GIS · Vol. 13, Issue 2, 2022 · pp. 55–66 Read article
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Synthesis, physicochemical and FTIR characterization of vegetable oil-based polyol from (Ximenia americana) seed oil.
Abstract: AbstractTo source for alternatives vegetable oil in the production of polyol, oil was extracted from Ximenia americana seed, and the oil yield was recorded to be 51%. Using standard methods, X. americana seed oil (XSO) was analyzed for its refractive index, density, acid value, peroxide value, iodine value and viscosity, and the results obtained were 1.3680, 0.867 g/cm3, 0.2805 mg KOH/g, 31.33 meqO2/kg, 92.46 mgI2/100 g, 225.23 Cp (at 25°C), …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 3, 2018 · pp. 23–28 Read article
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Analyses of minerals and elemental oxides in rocks from Waltadi district, Song, Adamawa state Nigeria
Abstract: Rock samples from six locations namely: Wataldi, Teuta, Kubta, Gumta, Dumneza and Wazo, within Waltadi district of Song Local government, Adamawa State, Nigeria, were studied qualitatively and quantitatively using X-ray diffraction (XRD) and energy dispersive X-ray fluorescence (EDXRF) respectively. Results obtained showed the presence of minerals including: Quartz, albite, rutile, sylvine, barite, chalcopyrite, kaonilite, anatase, stolzite, marshitecovellite and fluorannite. The major elemental oxides obtained includes: silicon oxide (SiO2), aluminium oxide …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 2, 2020 · pp. 39–50 Read article
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Comaparative Analysis of Elites Maize Hybrid Based on Multiple Traits
Abstract: Field studies were carried out to evaluate the agronomic and yield traits of elite maize hybrids during 2019 and 2020 late cropping seasons with the aim to compare the agronomic and grain yield performance of the hybrids based on multiple traits and to assess the interrelationship among the traits measured. This study included three groups of elite maize hybrids and one open pollinated variety, totalling 126 maize genotypes. Alpha lattice …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 12, Issue 3, 2023 · pp. 42–54 Read article
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HPTLC: An Emerging Technique in Herbal Medicine
Abstract: Herbal medicine and their formulations are extensively used since time immemorial in developing and well developed countries. Their quality assessment is of benefit not only in research but also in practice. However, quality control of these herbo-mineral preparations is more difficult than that of conventional drug due to chemical complexity and natural variability of product and raw materials. Furthermore, the active principles are, in most cases unknown and selective analytical …
Published in Research & Reviews : Journal of Herbal Science · Vol. 4, Issue 2, 2015 · pp. 25–37 Read article
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Effect of Processing On Bioavailability of Macronutrients and Minerals in Complementary Food Formulated From Cereals and Supplemented With Legumes
Abstract: Low bioavailability of protein and minerals in plant-based foods has contributed to malnutrition challenge confronting young humans in developing settings. Therefore, roasting, germination, fermentation and boiling were investigated as possible household processing methods that could improve bioavailability of a cereal-based complementary food supplemented with soy bean and groundnut. Standard methods were adopted in evaluating the bioavailability of these nutrients in male weaning albino rat model. The results obtained showed that …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 10, Issue 1, 2021 · pp. 7–14 Read article
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Concept of Arthritis Diseases
Abstract: Arthritis is a chronic disease caused by the inflammation of the joints. It can affect one or more than one joints. It affects more women than men and also the older people above 60 years of age. Its symptoms include reduction of the weight. Muscle weakness, its inability to use the hands or walk, difficulty in moving the joints, improper sleep, inflammation, malaise and tiredness, unbending nature, muscle pain etc. …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 8, Issue 1, 2023 · pp. 41–45 Read article
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Uncovering the Comparative Efficacy of Antiviral Drugs and Caricapapaya Phytocompound as VP2H inhibitors in Ebola virus: An Insilico Molecular Docking Analysis
Abstract: The Ebola virus is a fatal disease that transmits from wild animals to humans. Infected individuals' body fluids such as spit, blood, perspiration, faeces, blood, saliva, breast milk, sperm, or fomites can transmit Ebola. Adhesion to cell membranes and penetration into the host organism are essential aspects in viral growth. The presence of VP24, as well as nucleoproteins and structural proteins, is necessary for nucleocapsid formation and integration. The inhibition …
Published in International Journal of Bioinformatics and Computational Biology · Vol. 1, Issue 2, 2023 · pp. 62–78 Read article
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Biomaterials and its Role in Dentistry–A Review
Abstract: Increasing success through modern techniques in implantology brought a new transformation in dentistry field to successfully replace missing teeth. To inflate the success rate, regular and continuous attempts are done to improve the materials, techniques for comprehensive understanding of implant behavior to the biological system. Biomaterials used for implants and brought in contact with the biological environment play the most symbolic role in the success of treatment modality. This has …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 339–352 Read article
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Driver Drowsiness Alert System
Abstract: In the present era, the increasing frequency of accidents during prolonged road trips, primarily attributed to driver fatigue, is a matter of serious concern. Recognizing this challenge, our goal is to develop a driver drowsiness alert system to effectively address and alleviate these incidents. Theproposed system utilizes a webcam to capture real-time images of the driver's eyes, employingmachine learning algorithms to promptly identify signs of fatigue. Upon detecting drowsiness, the …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 2, Issue 1, 2024 · pp. 1–10 Read article
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Theoretical Study of Surface Waves in Hexagonal Boron Nitride (hBN)
Abstract: Hexagonal boron nitride (hBN) is a wide bandgap semiconductor material in which Boron (B) and Nitrogen (N) atoms form hexagonal structure and has number of robust properties of technological importance. Boron nitride nanotubes (BNNTs) are very nice area of research in recent years. Its structure is similar to carbon nanotubes (CNTs) where carbon atoms are arranged in hexagon. hBN is also known as White Graphene. Various methods are employed to …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 1, 2024 Read article
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Identifying and Mitigating Chemical Hazards Through Hazard Identification and Risk Assessment Using Failure Mode and Effects Analysis (FMEA)
Abstract: Chemical exposure represents a significant occupational health and safety concern in the chemical industry. Effectively addressing these hazards requires teamwork among various occupational health and safety experts, such as general OHS professionals, occupational hygienists, and occupational health practitioners. This research focuses on analyzing hazards and developing control measures for industrial chemicals, evaluating their toxicity, and using these assessments in regulatory decision making. It starts by addressing the availability of toxicological …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 1, 2024 · pp. 52–62 Read article
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Innovative Technology for Water Purification
Abstract: Water purification is critical for ensuring access to clean and safe drinking water, which is essential for public health, environmental sustainability, and economic development. Recent advancements in water purification technologies offer innovative solutions to address the growing challenges of water contamination and scarcity. This paper explores state-of-the-art technologies that are revolutionizing the field of water purification. Key innovations include nanotechnology-based filtration systems, advanced oxidation processes (AOPs), biomimetic membranes, and solar-powered …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 2, 2024 · pp. 11–16 Read article
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Vibrational Wind Turbine Design
Abstract: This work focuses on the study and analysis of bladeless wind turbines (BWT) as an alternative to operating vertical-axis wind turbines (VAWT) and horizontal-axis wind turbines (HAWT). A mathematical analysis of the BWT oscillation under wind force allows the development of specific mathematical expressions for the oscillation speed and BWT mast displacement at any height. The oscillation movement is submitted to a Strouhal constant number condition, resulting in an algorithm …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 3, 2024 · pp. 32–45 Read article
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Nanocarrier-mediated CRISPR/Cas9 Gene Editing of BMP2 for Bone Repair
Abstract: The growth factor that plays an important role in the formation and repair of bones is bone morphogenetic protein 2(BMP2). Nevertheless, because BMP2 is rapidly degrading and has less than half the time to live, its delivery into bone defects may be difficult. A plan to develop a nanocarrier via CRISPRCas9 gene editing mechanism for the delivery of BMP2 into bone defects is outlined in this research proposal. The system …
Published in International Journal of Advance in Molecular Engineering · Vol. 3, Issue 1, 2025 · pp. 14–21 Read article
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Designing Self-Optimizing Operating Systems: Information-Theoretic Approaches to Thread Scheduler Implementation
Abstract: Thread Level Scheduling (TLS) in multi-core and many-core processor environments represents a critical frontier in next-generation operating system design. As computing systems grow increasingly heterogeneous and concurrent, traditional scheduling strategies often rely on heuristics or localized resource metrics, frequently overlooking the deeper, quantifiable relationships and uncertainties inherent in complex concurrent workloads. This study explores the application of information-theoretic approaches, specifically entropy-based task allocation, mutual information-driven dependency analysis, and channel capacity-inspired …
Published in Journal of Operating Systems Development & Trends · Vol. 12, Issue 3, 2025 · pp. 31–39 Read article
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Bone Grafting in Dentistry: From Biological Principles to Contemporary Regenerative Applications
Abstract: Bone grafting plays a pivotal role in contemporary regenerative dentistry by enabling predictable reconstruction of alveolar bone defects resulting from periodontal disease, tooth extraction, trauma, or pathology. Adequate bone volume and quality are essential prerequisites for successful implant placement, periodontal regeneration, and long-term functional and esthetic outcomes. Bone graft materials act as biological or synthetic scaffolds that facilitate new bone formation through the primary mechanisms of osteogenesis, osteoinduction, osteoconduction, and …
Published in Research and Reviews: A Journal of Dentistry · Vol. 17, Issue 1, 2026 · pp. 6–13 Read article
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Evaluating the Usability and Effectiveness of Desktop Voice Assistants on Windows Operating Systems
Abstract: This paper presents an in-depth empirical study of usability and effectiveness regarding using desktop voice assistants (DVA) within the Windows operating system platform. While much research has been done on mobile-based assistants like Siri and Google Assistant, or smart speaker platforms like Amazon Alexa, desktop-based assistants remain comparatively underexplored. A total of 176 participants were surveyed to analyze their experiences with DVA in usability, multitasking, accuracy, accessibility, and overall satisfaction. …
Published in Journal of Operating Systems Development & Trends · Vol. 13, Issue 1, 2026 · pp. 29–42 Read article
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The Interface of Hardware and Intelligence: The Function of Operating Systems
Abstract: Operating systems play a central role in bridging the gap between computer hardware and user interaction. They simplify complex machine-level operations and transform them into user-friendly and efficient digital experiences. At their core, operating systems are responsible for managing essential tasks such as process scheduling, memory allocation, file system organization, and device coordination. By handling these functions effectively, they ensure that hardware resources are used in an optimal and balanced …
Published in Journal of Operating Systems Development & Trends · Vol. 13, Issue 1, 2026 · pp. 07–20 Read article