Search
1116 articles for “characterization studies”
-
Reactivity of Monochlorotetrakis2-Isopropylphenoxoniobium(V), [NbCl(OC6H4CH(CH3)2-2)4] towards Chelating Ligands
Abstract: The niobium(V) complexes with the formula [NbCl(OC₆H₄CH(CH₃)₂-2)₄] were successfully synthesized in high yields through the reaction of niobium pentachloride with four equivalent amounts of 2-isopropylphenol in carbon tetrachloride. The synthesized complexes were characterized and confirmed by elemental analysis, molar conductance measurements, infrared (IR) spectroscopy, ^1H and ^13C NMR spectroscopy, as well as mass spectrometric analysis. The spectroscopic studies have shown these to exhibit dimeric structures bridging through isopropylphenoxo groups. The …
Published in International Journal of Minerals · Vol. 3, Issue 1, 2026 · pp. 37–45 Read article
-
Review of Research on Pozzolanic Materials for Cement Blending and Concrete Applications
Abstract: The growing environmental concerns associated with cement production, particularly its high carbon footprint, have driven research into sustainable alternatives such as supplementary cementitious materials (SCMs) derived from agricultural and industrial waste. This study synthesizes findings from recent investigations into the pozzolanic potential of basil plant ash (BPA), rice husk ash (RHA), and stockpiled fly ash (FA), evaluating their processing methods, microstructural characteristics, and performance in concrete applications. BPA, being derived …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 1–6 Read article
-
Assessing Workspaces of Office Buildings; A Case of Lagos Office Spatial Characteristics
Abstract: The spatial characteristics of an office space play a fundamental role in contributing to the performance of the employees who use the office space. An efficient and functional workspace should be designed to cater to the needs of employees as this is critical to their performance as well. Studies from various authors have shown that better results and outcomes are gotten from employees who are satisfied with their workspaces. Although …
Published in International Journal of Environmental Planning and Development Architecture · Vol. 1, Issue 2, 2023 · pp. 17–30 Read article
-
Characterization of Polyurethane at Multiple Scales for Erosion Mechanisms Under Sand Particle Impact
Abstract: Thin polyurethane layers have been widely used as erosion-resistant coatings on helicopter rotor blades such as UH-60 Black Hawk and Eurocopter SA 315. Published research has mainly focused on empirical studies that relate the mechanical properties such as rebound resilience and hardness of polyurethane to solid particle erosion resistance. However, polyurethane possesses phase mixing at multiple scales and thus sand particle erosion resistance depends also on the microstructure and the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 1, 2026 · pp. 1–13 Read article
-
Use of Composite Materials for Sustainability
Abstract: Composite materials have emerged as key components in the quest for sustainability, providing a means to decrease environmental impact while improving performance in several applications. Some of the major benefits of using composites are durability, cut down regular repairs and replacements, preserve natural resources, reduce waste generation, and carbon footprint related to manufacturing processes. Due to renewability of natural fibers, the use of composites boosts sustainability and minimizes the environmental …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 22–34 Read article
-
Development and Mechanical Characterization of Hybrid Natural Fiber-Reinforced Polymer Matrix Composites for Structural Applications
Abstract: The growing demand for sustainable, lightweight, and cost-effective materials in engineering has driven significant interest in natural fiber-reinforced polymer composites (NFRPCs). Among various options, hybrid composites combining two or more natural fibers offer a balanced improvement in mechanical properties while maintaining environmental benefits. This study investigates the fabrication and mechanical performance of jute–hemp fiber-reinforced epoxy composites. Specimens were prepared using the hand lay-up technique followed by compression molding to ensure …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1181–1189 Read article
-
Eco-Sustainable Walnut–Hemp Reinforced Composites for Automotive Brake Applications
Abstract: The search for natural fiber-reinforced composites that can be used instead of manmade materials has been sparked by the growing need for eco-friendly materials in car brake systems. The study looks at three types of Walnut–Hemp Reinforced Friction Composites (WFRCs): WFRC-1, which is 10% walnut and 20% hemp; WFRC-2, which is 15% walnut and 15% hemp; and WFRC-3, which is 20% walnut and 10% hemp. Aspects like tensile strength, compressive …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 439–448 Read article
-
First Insights into Whole Genome Sequencing of the Mycobacterium tuberculosis Complex: Molecular Diversity and Drug Susceptibility Patterns in Senegal
Abstract: Background: We conducted a bibliographic analysis of the Mycobacterium tuberculosis complex (MTBC) in sub-Saharan Africa, which included the analysis of 8,139 genomic sequences from 34 of the 49 sub-Saharan African countries. Notably, only one complete sequence from Senegal was identified, which had been generated in the United States. Our primary objective was to utilize whole genome sequencing (WGS) to detect resistance in anti-tuberculous strains of the MTBC in Senegal. This …
Published in Recent Trends in Infectious Diseases · Vol. 2, Issue 1, 2025 Read article
-
An Automation Detection for Sign Language Using AI
Abstract: Sign language recognition has attracted considerable interest because of its ability to facilitate communication between the deaf community and the public, thereby bridging communication divides. Traditional approaches to sign language recognition often face challenges in accurately interpreting the complex and nuanced gestures inherent in sign languages. However, recent advancements in deep learning techniques have shown promising results in improving the accuracy and robustness of sign language recognition systems. This study …
Published in Recent Trends in Programming languages · Vol. 11, Issue 1, 2024 · pp. 1–14 Read article
-
Comparison of Index and Engineering properties of weak soils stabilized by Rubber Tyre Chips and Powder
Abstract: Engineered constructions on weak or soft ground soil carry inherent risks due to the instability of the foundation. Soft ground lacks the necessary strength to support structures adequately, making it prone to settlement, subsidence, or even collapse under the weight of buildings or infrastructure. Various methods of improvements are used to improve the soil's stability to support various loads.one of the solution is can use the waste products incorporated into …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 24–33 Read article
-
Developing an AI-Based Novel Forecasting Framework for Surface Irregularity in Metal Matrix Materials
Abstract: Surface irregularity in metal matrix materials (MMM) signifies the deviations from smoothness, influencing structural integrity and performance frequently arising from the manufacturing process along with intrinsic material characteristics that influence effectiveness. Limitations in data, model interpretability and complexity are the difficulties that impede artificial intelligence (AI) based surface irregularity in MMM. In this study, we suggested a novel framework of Gaussian regression fused multi-strategy adaptive boosting classifier (GR-MABC) for the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 48–56 Read article
-
Enhanced Management of an Eco-Friendly Ready-Mix Concrete Batching Facility for Superior Concrete Production
Abstract: The construction industry plays a crucial role in the global economy. At the heart of this industry is concrete, a material that is essential for buildings. Ready-mix concrete (RMC) is becoming increasingly favored for its quick setting characteristics and high-quality performance. In India, the rising demand for RMC underscores the importance of strict quality management to mitigate potential structural risks. This study set out to explore how quality management is …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 25–31 Read article
-
Role of Inflammatory Markers and Lipid Abnormalities in Glycemic Dysregulation Among Type 2 Diabetics
Abstract: Background: Diabetes mellitus (DM) is a chronic metabolic disorder characterized by systemic inflammation and associated with various complications in multiple organs. Type 2 diabetes mellitus (T2DM) specifically involves insulin resistance, hyperglycemia, and inflammatory responses. This study investigates the levels of various inflammatory markers and their correlation with glycaemic control in T2DM patients. Objective: To evaluate the levels of inflammatory markers (including NLR, PLR, SII, SIRI, CRP, IL-6, TNF-α, TGF-β, MCP-1, …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 2, 2025 Read article
-
Development and Evaluation of Hybrid Natural Fiber Composites
Abstract: Natural fiber based polymer composites are becoming more common because they are cheap, sustainable, and operate effectively across mechanical and environmental settings. Natural fibers (NFs) like bamboo and roselle are being used to strengthen polymer composites. They are being used in textiles, medical equipment construction, and car making. People are becoming more interested in these fibers because of the unique properties. Bamboo fiber is an effective option for reinforcement in …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 908–915 Read article
-
Intersection Safety in Urban Environments: A Review of Risk Factors and Crash Patterns
Abstract: Urban intersections are critical points of interaction between multiple road users, including cars, buses, two-wheelers, cyclists, and pedestrians. As cities continue to expand rapidly, the density and complexity of traffic at intersections increase, making them among the most dangerous segments of the roadway network. Numerous studies show that intersections account for nearly half of all urban road crashes, making them central to safety research and planning. This review paper synthesizes …
Published in Journal of Industrial Safety Engineering · Vol. 13, Issue 1, 2026 · pp. 31–35 Read article
-
Exploring the Potential of Allium sativum Phytocompounds as B-Cell Leukemia 2 Inhibitors in Acute Lymphoblastic Leukemia: Molecular Docking Study
Abstract: Objective: Acute lymphoblastic leukemia (ALL) is a lymphoid progenitor cell malignancy that could be treated with plant-based drugs, thus alleviating the off-target effects caused by conventional chemotherapy. Since ancient days, Allium sativum has been an integral part of traditional medicine and an excellent antimicrobial, antioxidant, and antiproliferative agent. Hence, this study aims to assess the anti-leukemic potential of A. sativum phytoconstituents as the B-cell leukemia 2 protein (Bcl-2) natural inhibitor …
Published in Research and Reviews : Journal of Computational Biology · Vol. 13, Issue 2, 2024 · pp. 53–80 Read article
-
Cognitive AI-Based Quality Control and Operational Optimization of Polymer Composites for Healthcare Applications
Abstract: The use of polymer composite materials in healthcare is on the rise because of their adjustable mechanical characteristics, biocompatibility and structural flexibility. Yet, it is difficult to ensure stable quality of such composites due to process-related defects, heterogeneity of the material and the lack of real-time adaptive control. The proposed study suggests the use of cognitive AI-based framework of quality control and optimization of operation of polymer composite systems which …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 571–591 Read article
-
Prediction of Mechanical Properties for Advanced Engineering Applications utilizing Polymer Composite Materials by Machine Learning
Abstract: Polymer composites show great promise as engineering materials because of their mechanical performance, resistance to corrosion, lightweight nature, and adaptability in design. Aerospace, automotive, biomedical, maritime, and civil engineers all rely on mechanical property prediction to cut down on trial expenses, expedite product development, and optimize material selection. Speedy design optimization is not possible using traditional numerical and experimental methods due to the high costs associated with material characterisation, computational …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 Read article
-
Using Multitarget Molecular Docking to Examine the Antiviral Potential of Clerodendrum Phlomidis against Measles
Abstract: Objective: Measles, a viral disease caused by a member of the Paramyxoviridae virus family, is highly contagious and characterized by a respiratory illness and a maculopapular rash on the skin. Children are the main victims of the illness. In the context of drug development, this study investigates the efficacy of phytocompounds derived from Clerodendrum phlomidis against the target protein of the measles virus. Methods: The 7SKS protein was retrieved from …
Published in International Journal of Molecular Biotechnological Research · Vol. 1, Issue 2, 2023 · pp. 32–42 Read article
-
Edible Mushrooms: Management of Diabetes Mellitus and Phytochemical Screening of Agaricus Bisporus
Abstract: A metabolic disease characterized by elevated blood glucose levels; diabetes mellitus affects millions of people. If not treated on time, it causes problems, damage organs, and even life-threatening. Studies have shown that diabetes can be avoided and controlled with a healthy lifestyle that incorporates exercise and a balanced diet. While there are several synthetic medications available to treat this illness using them over an extended period of time is linked …
Published in International Journal of Cell Biology and Cellular Functions · Vol. 3, Issue 1, 2025 · pp. 1–13 Read article