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929 articles for “physical”
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Mechanical and Physicochemical Characteristics of Nano-Hydroxyapatite Polymer Composites
Abstract: This study focuses on the development and characterization of nano-hydroxyapatite (nHAp)-reinforced poly (lactic acid) (PLA) composites for biomedical applications. The composites, prepared with varying nHAp content (5–25 wt%), were evaluated for their mechanical and physicochemical properties, including tensile strength, Young’s modulus, elongation at break, thermal stability, hydrophilicity, and crystallinity. Results revealed that tensile strength increased significantly with the incorporation of nHAp, reaching a peak of 62 MPa at 15 wt%, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 115–125 Read article
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Mobile-Friendly Libraries: Leveraging QR and NFC for Instant Access to Digital and Physical Resources
Abstract: Mobile technology has drastically altered the way that users access and interact with information. Therefore, it is paramount for libraries to consider innovative solutions for improving accessibility and efficiency. This paper focuses on the application of QR (Quick Response) codes and NFC (Near Field Communication) technologies in libraries to grant instant access to both digital and physical resources. Libraries can use QR and NFC codes to create frictionless user interactions …
Published in Journal of Advancements in Library Sciences · Vol. 12, Issue 2, 2025 · pp. 77–82 Read article
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Physicochemical Analysis of Oil Extracted from Raphia Sudanica Fruit Sold in Edu Local Government Area of Kwara State, North Central Nigeria
Abstract: Raphia sudanica, commonly called Raphia hookeri or bamboo palm fruit, is one of the most valuable species among known palm fruits found in Nigeria and is widespread in major parts of West Africa. In this study, oils extracted and analyzed from Raphia sudanica fruits (pulp and seed) revealed the respective physicochemical values; acid value (5.56, 6.10 mgKOH/g), peroxide value (2.44, 5.82 Meq/kg), iodine value (41.30, 68.10 gI₂/100 g), saponification value …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 67–75 Read article
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Social Media’s Impact on Youths’ Physical and Online Political Engagement
Abstract: Young people are thought to belong to the age group that is least interested in politics and political issues. It is a socially desirable objective to raise young people’s political participation, given that they will be the ones influencing politics in the future. More youthful ages were principally influenced by the coming of the web and new media, and almost certainly, new media — like informal communities — will keep …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 11, Issue 2, 2024 · pp. 15–20 Read article
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Physics of Semiconductors and Electronic Circuits
Abstract: This study talks about the basic ideas behind semiconductor physics and how important they are for making and running modern electronic circuits. It starts with a look at intrinsic and extrinsic semiconductors, going into how charge carriers move, energy band theory, and how doping affects how well the electricity flows. Next, the conversation turns to semiconductor devices like diodes, bipolar junction transistors (BJTs), and field-effect transistors (FETs). The focus is …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 2, 2025 · pp. 9–17 Read article
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A Hybrid Multi-Physics Ensemble Deep Learning Framework for Simultaneous Prediction of Thermal and Electrical Conductivity in Functional Polymer-Based Nanocomposites
Abstract: Polymer-based nanocomposites have become promising materials for applications in energy storage, flexible electronics, biomedical devices, aerospace components, and advanced engineering because of their tunable thermal and electrical properties. Reliable prediction of these properties is essential for accelerating material design; however, existing analytical models and conventional machine learning techniques often fail to represent the complex interactions among filler characteristics, polymer matrices, processing conditions, and interfacial transport phenomena. This work presents HMEP-Net, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1062–1082 Read article
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Prototype Model Development and Design Analysis of A Solar Tricycle for Physically Challenged People in India
Abstract: Society is greatly concerned about the mobility of individuals with physical disabilities. The scarcity of energy resources and the issue of pollution are currently the primary concerns. These issues can be resolved by employing alternative energy sources such as solar power. This paper presents an overview of the existing solar tricycles designed for those with disabilities. It also improves a handicapped-friendly solar-powered tricycle. The goal is to reduce handicapped people's …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 1, Issue 1, 2023 · pp. 43–56 Read article
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Study on the Variations in Physicochemical Property Concentration in a Contaminated Fresh and Salt Water
Abstract: In this research, the dispersion of crude oil contaminated was subjected into laboratory observations and results were recorded. These results were used to develop and adopt mathematical models for a proper engineering experimental practice. 1.5m3 volumes of fresh water and salt water were filled in two tanks of equal fit at the same intervals along the tanks and depth, where samples were collected for the purpose of analysis of physicochemical …
Published in International Journal of Pollution: Prevention & Control · Vol. 1, Issue 2, 2023 · pp. 1–9 Read article
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Physicochemical Analysis of Groundwater Quality In Owerri Municipal, Imo State, Nigeria Using MATLAB and ANN Models.
Abstract: The physicochemical analysis of groundwater quality in Owerri Municipal council, Imo state, Nigeria was carried out. Fifteen water samples were randomly selected from the five villages that make up Owerri municipal council were anlayzed for physicochemical parameters using standard methods. The results from the study area showed that the temperature ranged between 26.5-28.0oC; рH ranged between 4.80-5.32. Electrical conductivity ranged between 77-166 µЅ/cm. The total dissolved solids were between 35.4-168.4mg/l; …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 Read article
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Investigation of the Effects of Physicochemical Behaviour, Design, and Contaminants on Corrosion Mechanisms for Coatings
Abstract: Advanced coating systems have been developed to address the challenges of coating life and corrosion mechanisms in various industries. These coating systems are designed to provide enhanced protection, prolong the lifespan of coated surfaces, and reduce the effects of corrosion. A corrosion study with respect to contaminants (water soluble salts like sulphates, chlorides and nitrates etc.), design of the components (macro and micro defects developed due to improper design and …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 44–54 Read article
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Investigation of bio-physical interaction between Nanoparticles, Colloids, and biomolecules: Pharmaco-medical application.
Abstract: Currently, research into magnetic nanoparticles has become Popular. The fundamental principle involving the physics of magnetic nanoparticles is its interaction with biomolecules such as hemoglobin, DNA, and RNA. In this research, the nature Vander walls interactions, electrostatic repulsion, thermal interactions, and magnetic interaction between nanoparticles and molecule is explored. The interaction parameters such as Zeta potentials between layer, magnetic moment density, and Gibbs energy can are discussed by using DLVO …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 3, 2024 · pp. 6–17 Read article
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Enhancing Physical Properties of Unfilled SBR Rubber Compounds using Nano CaCO3 Additive
Abstract: The push for rubber compounds with improved characteristics in the rubber industry has sparked extensive research strategies for developing novel rubber compounds with improved properties like tensile strength, abrasion resistance, rolling resistance and flex properties etc., especially for the automobile industry. To intensify the processability, performance, and look of materials such as plastics, rubbers, paints, color, printing, and lubricants, additives are often employed to improve their qualities and overall value …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 40–49 Read article
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A Brief Review on the Mechanical and Physical Properties of Abaca Fiber- Reinforced Polymer Composites
Abstract: Recent studies have seen a surge of interest has surged in the sustainability and long-term enduring viability of composites of natural fiber-reinforced polymers. Owing to their elevated specific strength, they are often used in practical physical applications to produce lightweight components. This article reviews and studies the properties, manufacturing processes, and extraction methods of Abaca fiber. Additionally, it provides a brief overview of the preparation and properties, such as mechanical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 622–634 Read article
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Physics, Metaphysics, and the Subtle Sciences: A Dialogue between Indigenous Worldviews and Microvita Theory
Abstract: This paper explores the convergence of physics, metaphysics, and subtle sciences through a comparative analysis of indigenous knowledge systems and P.R. Sarkar’s Microvita Theory. Indigenous worldviews across various cultures articulate a holistic understanding of reality in which consciousness, matter, and life processes are deeply interconnected. These frameworks increasingly resonate with developments in quantum physics and systems theory that challenge classical mechanistic paradigms. Microvita Theory, introduced by P.R. Sarkar, posits the …
Published in Research & Reviews : Journal of Physics · Vol. 15, Issue 1, 2026 · pp. 1–13 Read article
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Investigation of Bio-Physical Interaction and Electrophoretic Properties of Fe3O4/DNA Nanocomposite and Colloids for Biomedical Application
Abstract: In recent years, research on magnetic nanoparticles has gained significant attention. The core concept behind their physics lies in their interaction with biomolecules such as hemoglobin, DNA, and RNA. This study examines the fundamental forces involved in these interactions, including van der Waals attractions, electrostatic repulsion, thermal effects, and magnetic coupling between nanoparticles and biological molecules. To describe these interactions quantitatively, parameters such as zeta potential, magnetic moment density, and …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 3, 2025 · pp. 20–32 Read article
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Modern Physics Approaches to Light-Matter Interaction
Abstract: Light-matter interaction is crucial to numerous fundamental and applied phenomena in contemporary physics, encompassing quantum optics and materials science. This study examines modern methods for comprehending and controlling the interaction between electromagnetic radiation and matter, focusing on both theoretical frameworks and experimental progress. The interaction between light and matter is a fundamental aspect of contemporary physics, forming the basis for phenomena that include the essential principles of vision and photosynthesis, …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 3, 2025 · pp. 10–19 Read article
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An Approach on Optimization of Thermo Physical Properties of Teak Wood Dust Filled Polymeric Composites
Abstract: The aim of the present work was to prepare the specimens with the help of hand-lay-up technique to measure the thermal properties of TWDPC. The density & voids of TWDPC were measured to determine its physical property & significantly affected some of its mechanical properties. Taguchi experimental method was applied to optimize its thermal properties. The optimal factor combinations were determined with the help of ANOM & the analysis of …
Published in Journal of Polymer & Composites Read article
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Semiconductor Physics and Micron Scale Fluid Mechanics towards the Microelectromechanical Systems Associated with Nanotechnology
Abstract: Interrelations among semiconductor physics, microfluidics, nanofluidics and nanotechnology are briefly described. A single microchannel bend is designed and fabricated by author using the maskless lithography, hot embossing lithography and direct bonding. Dyed water is the selected and prepared working liquid in this work. Surface-driven (passive) capillary flow of working liquid is recorded in the fabricated microchannel bend using a CMOS camera. This work may be useful in applied chemistry.
Published in Research & Reviews : Journal of Physics Read article
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Influence of Agitation and Static Cultivation on Physicochemical Characteristics of Bacterial Cellulose Produced by Gluconacetobacter liquefaciens MTCC 3135
Abstract: Bacterial cellulose (BC) a with applications spanning biomedical, food, paper, electronics, and diverse industrial processes. Its unique properties include high purity, biocompatibility, and flexibility. BC is a versatile natural biopolymeric material, secreted by certain acetic acid bacteria. BC has numerous benefits over plant cellulose due to distinctive features, e.g., higher polymerization degree and purity, superior crystalline structure, water retention, biocompatibility, and biodegradability, which make BC a valuable material in creating …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 2, 2024 · pp. 1–11 Read article
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A Study to Assess the Knowledge and Attitude Regarding Physical Disability Among Students
Abstract: Studies suggest that college students often have a very vague knowledge regarding physical disabilities, and they tend to alter their attitude from the limited awareness without understanding the aspect in detail. It is sometimes noticed that people or even their own peers are highly neglected or are sometimes a topic of mockery. This quantitative study will consist of a structured questionnaire which will revolve around the knowledge and attitude of …
Published in International Journal of Trends in Humanities · Vol. 1, Issue 1, 2024 · pp. 23–28 Read article