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1013 articles for “characterization”
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An Analysis of the Mechanical Properties of Polyethylene Composites Reinforced with Short Vetiver Fibers
Abstract: Synthetic fibers (such as carbon, glass, ceramic fibers, etc.) are a cause of environmental concern, so natural fibers (such as vetiver, calotropis gigantea, flax, hemp, jute, etc.) are extensively used. In this study, the compression molding process was used to improve low-density polyethylene (LDPE) matrix composites reinforced with vetiver fiber (VF). Experiments were conducted by varying VF length, VF content, and fiber treatment time. The composites' static mechanical characteristics, including …
Published in International Journal of Composite Materials and Matrices · Vol. 11, Issue 1, 2025 · pp. 1–13 Read article
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Surface Modification and Performance Evaluation of Biologically Degummed Lady's Finger Bast Fibers
Abstract: This research aims to investigate the physicomechanical characteristics of biologically degummed lady's finger bast fiber (LFF) and to walk through the entire process of turning LFF into a commercial cellulosic fiber that can be used globally in a variety of textile applications, including carpets, oil and liquid absorption, packaging, basic textile products, coarse ornamental textile products, geo-textiles, and reinforcements in polymer matrix composites. This article describes the application of different …
Published in International Journal of Polymer Science and Engineering · Vol. 11, Issue 1, 2025 Read article
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Pharmacognosy of Molecular and Nano Carriers
Abstract: Positioned at the intersection of Pharmacognosy and molecular biology, molecular pharmacognosy has emerged as a novel intermediary discipline. This paper explores the techniques, significance, and landscape of molecular pharmacognosy. The primary emphasis of this manuscript includes the molecular characterization of medicinal raw materials, the phylogenetic history of medicinal plants, assessment and preservation of germplasm resources for medicinal flora, the study of endangered medicinal plant species, and the biosynthesis and bio-regulation …
Published in International journal of Nanobiotechnology · Vol. 11, Issue 1, 2025 Read article
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Radiance and Revolution: The Impact of Light and Color in 19th and 20th Century Impressionism
Abstract: Impressionism, an art movement that emerged between the 19th and 20th centuries, significantly transformed the landscape of visual art, particularly in the United States. Originating in Paris during the 1860s, with Claude Monet as its pioneering figure, Impressionism marked a departure from traditional artistic conventions and the rise of a new approach that challenged the realism of photography. Prominent artists like Camille Pissarro, Édouard Manet, Edgar Degas, and Renoir contributed …
Published in International Journal of Architectural Heritage · Vol. 8, Issue 1, 2025 · pp. 54–59 Read article
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Harmonizing Traditional Crafts with Contemporary Creative Innovation
Abstract: Modern design emphasizes simplicity, functionality and innovation, focusing on efficiency and minimalism. When allied with tradition, it enriches spaces with cultural depth, craftsmanship, and practices that respect history. As sustainability grows central, traditional techniques offer insights into resource efficiency and cultural continuity. The synergy between modern design and tradition is often misconstrued as a tension between historical continuity and contemporary progress. Many argue that modern architecture, with its emphasis on …
Published in International Journal of Architectural Heritage · Vol. 8, Issue 1, 2025 · pp. 47–53 Read article
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An Overview of Traditional Architecture in Ethiopia
Abstract: Traditional architecture appears from survival strategies that utilize available resources, developed over generations by ethnic communities worldwide without the need for expert guidance. It encompasses buildings constructed using local knowledge, technology, and craftsmanship, utilizing materials readily available in the area while also ensuring comfort for the inhabitants. As such, traditional architecture is closely linked to the geography, climate, terrain, and the cultural and socio-economic contexts of various regions within a …
Published in International Journal of Architectural Heritage · Vol. 8, Issue 1, 2025 · pp. 18–36 Read article
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A Study on the Effect of Pulmonary Hygiene on Respiratory Functions in Chronic Obstructive Pulmonary Disease Patients at a Hospital in Erode
Abstract: Background: Chronic Obstructive Pulmonary Disease (COPD) is a common condition characterized by long-term airway blockage. Symptoms such as breathlessness during physical activity and fatigue significantly affect patients' quality of life (QoL), limiting their ability to engage in various physical activities. The aim of this study is to evaluate the impact of pulmonary hygiene on respiratory function in individuals with COPD. Design: A pre-experimental design using a one-group pre-test and post-test …
Published in International Journal of Nursing Critical Care · Vol. 11, Issue 1, 2025 Read article
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Shoulder Dystocia: A Comprehensive Overview of Causes, Management, and Outcomes
Abstract: Shoulder dystocia is a serious and potentially life-threatening complication that can occur during childbirth, characterized by the baby's shoulder becoming stuck in the mother's pelvic area after the head has been delivered. This obstructed delivery can lead to severe difficulties in the birth process, requiring immediate and skilled intervention to prevent harm to both the mother and baby. Shoulder dystocia occurs when one or both of the baby's shoulders are …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 11, Issue 1, 2025 · pp. 35–40 Read article
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A Review of AI and Machine Learning Techniques in Dew Point Pressure Prediction for Gas Condensate Systems
Abstract: Condensate gas reservoirs pose considerable management challenges due to their intricate phase behavior and the critical need for accurate predictions of dew point pressure (PDew). A precise determination of PDew is vital for optimizing production strategies, estimating reserves, and planning enhanced oil recovery operations. Traditional methods for PDew determination often involve experimental analyses that can be both costly and time-consuming, highlighting the necessity for alternative predictive models. This review consolidates …
Published in International Journal of Chemical Engineering and Processing · Vol. 11, Issue 1, 2025 Read article
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Perovskite Oxides: A Multifunctional Material Class for Solar-to-Fuel Energy Conversion
Abstract: Harnessing concentrated solar energy for thermochemical water and carbon dioxide splitting presents a promising pathway to produce liquid hydrocarbon fuels as a sustainable alternative to fossil fuels. This process relies on advanced redox materials to facilitate efficient chemical reactions within thermochemical cycles. Traditionally, research has focused on binary oxides, particularly ceria, due to its redox capabilities. However, ceria’s high reduction temperature and limited tunability via extrinsic doping hinder its optimization …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 1, 2025 · pp. 36–45 Read article
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Nanofibers of Ultra-High Molecular Weight Polypropylene (UHMWPP) Composites: Processing, Properties and Applications
Abstract: The nanofibers of ultra-high molecular weight polypropylene (UHMWPP) composite made with polyethylene terephthalate (PET) by electrospinning process. The high-temperature setup developed by hardware modifications in electrospinning machine to perform such experiments. Bilayer composite mat of UHMWPP and PET nanofiber was fabricated by deposition of monolayer of UHMWPP over PET monolayer by electrospining process. The developed composite mat products were characterized by SEM, DSC and other physico-chemical methods. The composite mat …
Published in International Journal of Polymer Science and Engineering · Vol. 11, Issue 1, 2025 · pp. 35–48 Read article
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A Novel Approach to the Investigation of Molecular Polarization Using MATLAB Application
Abstract: Molecular polarization involves the separation of electric charge in a molecule due to the result of aninduced external field leading to a dipole having a positive charge on one side and the negative charge atthe other end. This helps us to know the characteristics of molecules and how they react with others. It isalso helpful to know their physical and chemical properties. Molecular polarization also includes itsintermolecular forces, dielectric behavior …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 2, 2024 · pp. 1–18 Read article
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Assessing trends in Speciation of First-Row Transition Metals in Children's Playgrounds of Owerri, Nigeria
Abstract: Chemical species of metals affect toxicity but trends of these metals species in soils are less studied. This study examined the trends and variability of species of metals in soils from playgrounds within Owerri. Eighty-one composite soil samples from nine playgrounds were collected in dry and rainy season to reflect spatio-seasonal variability. Samples were characterized by standard methods in triplicates and then extracted sequentially. Concentrations of metal species were determined …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 28–45 Read article
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Nanomaterials via Green Synthesis: Insights into Biocompatibility and Biotechnological Applications
Abstract: This review critically examines recent advances in the green synthesis of nanomaterials (NMs) and their diverse biological applications, with a focus on antimicrobial, antioxidant, anticancer, and anti-inflammatory properties. The reviewed studies evaluated key characteristics of green-synthesized NMs, including their size, shape, and concentrations, as assessed in both in vitro and in vivo biological models. Compared to traditional chemical methods, green synthesis demonstrated superior efficacy, enhanced biocompatibility, and reduced toxicity. For …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–16 Read article
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Kinetic Modifications in Polymers under Cryogenic Stress: A Thermochemical Study
Abstract: This study explores the kinetic modifications in polymers subjected to cryogenic stress, focusing on the thermochemical behavior and structural changes that occur at low temperatures. Polymers, when exposed to cryogenic conditions, exhibit distinct molecular rearrangements, influencing their mechanical properties and thermal stability. The investigation involves characterizing these polymers using advanced spectroscopic and thermal analysis techniques to identify alterations in crystallinity, molecular weight distribution, and glass transition temperature. By examining the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Analytical Study of Ceramic Compositions: Lamination and Fracture Toughness
Abstract: This study investigates the characteristics and fabrication techniques of laminated ceramic composites, focusing on various glass-ceramic systems, including alumina, BaTiO3/Al2O3, and LiO2‐ZrO2‐SiO2‐Al2O3 (LZSA). The inherent brittleness of ceramics, attributed to surface flaws and their limited toughness, necessitates the development of layered structures to enhance mechanical reliability. Layered ceramics demonstrate improved fracture toughness, crucial for applications in aerospace, biomedicine, and military armor. Techniques such as tape casting, electrophoretic deposition, and advanced …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 38–44 Read article
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Role of User Experience in Designing Human Settlements for Composite Climate
Abstract: Integrated settlements designed in a composite climate, characterised by vast variations in temperature, humidity, and seasonal extremes require the need to consider both the environment and the people. As end-users, through User Experience (UX) practices, it is always possible to improve the liveability and sustainability of such settlements. In this research, a questionnaire that aims at gathering user insights on how to design human settlements for composite climates is applied …
Published in International Journal of Housing and Human Settlement Planning · Vol. 11, Issue 1, 2025 · pp. 28–36 Read article
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Optimizing Dyeing Processes for Nylon: A Study onUltrasonic and Natural Dye Application
Abstract: This study focuses on the application of natural dyes, specifically those derived from onion (Allium cepa) extracts, for dyeing nylon fabric, while assessing the impact of different mordants, including potassium dichromate, copper sulfate, and alum. The research explores the effectiveness of High Temperature High Pressure dyeing techniques to enhance dye uptake and color fastness. Natural dyes, traditionally viewed as less effective than synthetic counterparts, are being reevaluated for their eco-friendly …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 9–15 Read article
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Green Engineering of Wood-Plastic Composites: Utilizing Recycled Plastics for Environmental Sustainability
Abstract: This study explores the fabrication of wood-plastic composites (WPCs) using recycled polymers and natural fibers, aiming to create a renewable and durable alternative to traditional wood products. Utilizing agricultural and industrial waste as the raw materials, the research integrates various polymer blends with wood flour and other lignocellulosic fibers, enhancing mechanical and thermal properties. The innovative approach involves modifying the polymer matrix with eco-friendly additives to improve compatibility, adhesion, and …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 8–16 Read article
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Trending Aspects of Green Synthesis of Silver Nanoparticles and Their Biomedical Applications: A Review
Abstract: For the past few decades, researchers have been fascinated by nanotechnology and nanoparticles due to their unique physico-chemical characteristics, such as increased surface area, reduced size, and improved reactivity, making them useful for various industrial, scientific, and medicinal applications. Silver nanoparticles are widely used, particularly in the biomedical sciences, since they are less toxic than other metal nanoparticles, meaning that they do not harm healthy human or host cells. They …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–27 Read article