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38 articles for “matrices”
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Chemical Engineering Aspects of Carrageenan Hydrogel–Silver Composite Systems: Synthesis, Structure, and Performance
Abstract: This review presents a green chemistry–driven strategy for the synthesis, design, and chemical engineering of carrageenan-based hydrogel matrices embedded with green-synthesized silver nanoparticles (AgNPs) for advanced biomedical and pharmaceutical applications. Silver nanoparticles were fabricated through an environmentally benign route employing natural biopolymeric reducing and stabilizing agents, eliminating the need for hazardous chemical reagents and minimizing ecological impact. The synthesized AgNPs were subsequently incorporated into κ-carrageenan hydrogel networks under controlled physicochemical …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 1, 2026 · pp. 7–28 Read article
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Biopolymers in Medical Application: A Study
Abstract: Biopolymers – naturally derived macromolecules, such as polysaccharides, proteins, and polyhydroxyalkanoates – have emerged as a versatile toolbox for next-generation medical technologies. Their intrinsic biocompatibility, tunable degradation kinetics, and capacity for molecular functionalization enable the design of devices that communicate with living tissue rather than merely coexist with it. This review synthesizes recent advances across four inter-related fronts: (i) drug-delivery carriers, where chitosan-based nanoparticles and hyaluronic-acid hydrogels provide stimulus-responsive release …
Published in International Journal of Polymer Science and Engineering · Vol. 11, Issue 2, 2025 · pp. 1–15 Read article
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THE STUDY OF DIELECTRIC PERMITTIVITY OF NINPs-PDMS
Abstract: Nickel–polydimethylsiloxane (Ni–PDMS) nanocomposites were fabricated to investigate the influence of metallic nanoparticle loading on the dielectric behavior of flexible polymer matrices. Nickel nanoparticles with controlled size distributions were dispersed in PDMS using solution blending and curing protocols optimized to minimize agglomeration. The dielectric permittivity and loss tangent of the resulting nanocomposites were measured across a broad frequency range (typically 10²–10⁶ Hz) and at varying filler volume fractions. Results show a …
Published in International Journal of Electrical Power System and Technology · Vol. 11, Issue 2, 2025 · pp. 39–50 Read article
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Functional Rubber Particles and Their Applications- A Review
Abstract: Functional rubber powders (FRPs) are emerging as a potential class of materials derived primarily from end-of-life tires (ELTs) and other rubber scraps through mechanical, cryogenic, or de-vulcanization methods. These powders act as high-performance additives or reinforcing fillers in various engineering applications due to their low cost, improved surface properties, customizable particle sizes, and ability to undergo further chemical reactions. This review provides an overview of the production technologies, focusing on …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 2, 2025 · pp. 8–16 Read article
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Supercritical Fluid Extraction: Mechanisms, Applications, and Recent Developments
Abstract: Supercritical Fluid Extraction (SFE) is an advanced and versatile separation technique that harnesses the unique properties of supercritical fluids (SCFs) to extract a wide variety of compounds from both solid and liquid matrices. Supercritical fluids, which are substances at a temperature and pressure above their critical points, possess both liquid-like density and gas-like viscosity, making them highly effective solvents for extraction processes. This review delves into the underlying mechanisms of …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 1, 2025 Read article
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Quantification of Morphine, Codeine, and Dihydrocodeine in Carissa carandas Leaves and Fruit Using LC-MS/MS: The Impact of Drying on Alkaloid Concentration
Abstract: This study presents a method for quantifying morphine, codeine, and dihydrocodeine in Carissa carandas (Karonda) leaves and fruit, employing morphine-D3 as an internal standard (1 µg/mL) to ensure accuracy. Samples are prepared at 25 ng/mL and extracted using solvent techniques, with an optional solid-phase extraction step to mitigate matrix effects. Quantification is conducted via LC-MS/MS, providing robust sensitivity. Results show that drying concentrates these alkaloids, particularly morphine in fruit, due …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 1, 2025 · pp. 49–61 Read article
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Review of Biomedical Polymer Nanocomposites Progress
Abstract: Polymer nanocomposites (PNCs) have a reputation for being an effective way to give materials exceptional qualities that are impossible to achieve with the individual components alone. When creating composites with nanofiller, it is advantageous to use the interfaces between the two phases of nanoscale compounds with large specific surface areas. The interfacial interactions between the two phases, however, present the nanocomposites with their principal difficult feature. Due to their intriguing …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 1, 2024 · pp. 24–39 Read article
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A Review Article: Applications of Electroanalytical Techniques
Abstract: Electroanalytical techniques are thought to be the most significant area of analytical chemistry, which identify the properties as well as quantify the given analyte(s) within an electrochemical cell. The high sensitivity, high analysis speed, low sample and solvent consumption, high scan rate, low operating cost of electro analysis make it highly advantageous in all situations. A summary of electroanalytical techniques is provided, with an emphasis on their most common uses …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 13–19 Read article
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A Quasi-experimental Study to Evaluate the Effectiveness of Spirulina with Lemon Juice on Anemia among Under-five Children in Selected Schools at Madurai, Tamil Nadu
Abstract: Anemia among under-five children is an important concern for the health authorities in India. Untreated anemia in children can have a serious effect on their growth. Spirulina is blue-green algae. It contains protein, iron, vitamins, and minerals. It is aimed at a quasi-experimental study to evaluate the effectiveness of spirulina with lemon juice on anemia among under-five children in selected schools at Madurai, Tamilnadu. Quasi-experimental pre-test post-test control group design …
Published in International journal of Nursing Science Practice and Research · Vol. 8, Issue 2, 2022 · pp. 50–61 Read article
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Revolutionizing Healthcare: Cutting-Edge Biosensors Paving the Way for 21st Century Point-of-Care Diagnostics
Abstract: Point-of-care (POC) diagnostics stand as a transformative paradigm in healthcare, promising rapid testing directly at patient care sites. Biosensors, amalgamating biological recognition elements with physico-chemical transducers, emerge as pivotal tools in crafting rapid and sensitive POC diagnostic devices. Recent strides in nanotechnology, microfluidics, and flexible electronics have engendered a wave of innovative biosensor designs and detection methodologies. This paper provides an extensive review of the latest advancements in biosensors tailored …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 9, Issue 2, 2023 · pp. 12–19 Read article
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Revolutionizing Nanoparticle’s Synthesis Through Green Chemistry: A Brief Review
Abstract: Abstract Nanotechnology has experienced remarkable strides in response to the pressing need for environmentally friendly synthesis routes, with a paramount focus on minimizing deleterious by-products. This paradigm shift has galvanized researchers to delve into green biotechnology alternatives, harnessing the potential of plant extracts to reduce metal ions efficiently and yield green nanoparticles. These resultant nanoparticles not only showcase significant potential as antimicrobial agents but also hold profound implications for advancements …
Published in International Journal of Green Chemistry · Vol. 9, Issue 2, 2023 · pp. 26–37 Read article
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Organically Modified Peanut Shell Flour-Reinforced Polypropylene Nanocomposites: Effect of Fiber Surface Treatment on Basic Properties
Abstract: Innovative composite ingredients are increasingly being used, particularly in the automotive, aerospace, aviation, and construction industries. Due to the remarkable properties of nanocomposite components, traditional ingredients are being replaced. This study's work focuses on the usage of polypropylene (PP) as polymer matrices and nanoclay and peanut shell flour (PSF) as reinforcing materials. To enhance the mechanical properties of the PP/PSF composites in the present work, PSFs were treated using sodium …
Published in International Journal of Analytical and Applied Chemistry · Vol. 8, Issue 2, 2022 · pp. 19–30 Read article
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Detection of Leaf Diseases Using Image Processing Techniques
Abstract: Agricultural field plays a vital role in the earning to feed ever growing population. The productivity of the crop depends on pest attack, disease, weather, etc. The disease in plants will affect the production of crops. Detecting diseases in plants through visualization is a traditional method which is not relevant. We are focusing on reliable, fast and accurate detection method that can be done using image processing techniques to monitor …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 5, Issue 2, 2019 · pp. 14–19 Read article
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Character Recognition with Neural Network
Abstract: In this project artificial neural network has been called for its application as characters recognizing network. The network is made to learn as per the requirement by training them with some specific patterns that corresponds to the character. The number of input and output layer neurons is chosen. The training patterns and testing patterns are designed using matrices 0’s and 1’s.The weights in the network are adjusted using back propagation …
Published in International Journal of Software Computing and Testing · Vol. 3, Issue 2, 2017 · pp. 32–37 Read article
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An Advanced Nanomaterials Production in Microgravity
Abstract: Nanomaterials are matrices, containing nano sized particles. The presence of nanoparticles in the matrix leads to a sharp change in the properties of the resulting nanomaterial for the better, including mechanical strength, impact strength, electrical or thermal conductivity. Today, nanocomposites are obtained by laser decomposition of an aerosol solution of ferrocene in toluene, which results in the formation of a nanocomposite containing amorphous carbon nanoparticles and isolated iron-based nanoparticles in …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 1, 2023 · pp. 30–34 Read article
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Slop-Moment Matrix Method and General Deflection Equation
Abstract: In this paper, Slop-Moment matrix method and general deflection equation will be presented, Slop-Moment matrix method is a method for structural analysis by which the support moments can be found for structural elements (1-d) like beams, one-way slabs, bridge girder,…etc. it enables the engineers to conduct structural analysis with very wide options, There are no limitations on number of spans, number and type of loads, end support conditions, section property …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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A Descriptive Study to Assess the Anxiety Level and to Evaluate Its Effect on Physical Symptoms in Cardiac Patients Prior to Cardiac Catheterization and Angiography in Selected Hospitals of Amritsar, With a View to Develop “self-Instructional Module”
Abstract: Background of the study: People often experience a general state of worry, fear, or suspiciousness of being going through some problem, illness, hospitalization, diagnostic procedure, or therapeutic interventions. Before confronting something challenging such as a test, examination, all constitutes anxiety. Anxiety is a general symptom that causes nervousness, fear, apprehension, and worrying. These symptoms affect how person feel and behave, and it is manifested by real physical and physiological symptoms. …
Published in International Journal of Cardiovascular Nursing · Vol. 1, Issue 2, 2015 · pp. 7–11 Read article
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“Explore the Knowledge of Anganwadi worker’s regarding Malnutrition and problems faced by them”
Abstract: Introduction: As the Anganwadi worker is the key person in the ICDS program, her education level and knowledge of Malnutrition plays an important role related to her performance in the Anganwadi center. The purpose of ICDS is to improve the health, nutrition and growth & development of children. The present paper focuses on the Knowledge and problems of Anganwadi workers which they encounter there off. Objective- The functioning of AWWs …
Published in International journal of Nursing Science Practice and Research · Vol. 3, Issue 2, 2017 · pp. 21–29 Read article