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290 articles for “Matrix systems”
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Formulation and Evaluation of Diltiazem Hydrochloride Sustained Release Matrix Tablets
Abstract: Tablets are the most popular and versatile formulations with wide acceptance when compared to other dosage forms due to ease of administration, storage and transport. Diltiazem HCl is a calcium channel blocker widely used for its peripheral and vasodilator properties in the treatment of hypertension and angina. The objective of the present study is to prepare and characterize novel sustained release tablets of freely water soluble drug Diltiazem HCl using …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 6, Issue 2, 2015 · pp. 17–27 Read article
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Investigation of Undesirable Event by Fault Tree Analysis - Study of domestic LPG Gas Leak
Abstract: Fault tree analysis (FTA) is a dependable and commonly used method for analyzing and identifying the combinations of failures, faults, or events that could result in a specified top event, which is typically a system failure or malfunction. FTA is widely used in risk assessment, reliability engineering, and system safety analysis, and it has proven to be an effective tool for determining the likelihood and consequences of potential system failures. …
Published in Journal of Industrial Safety Engineering · Vol. 10, Issue 1, 2023 · pp. 13–18 Read article
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Analysis of Transdermal Patches: A Surgical Perspective
Abstract: In addressing the challenges associated with oral drug administration, the introduction of a transdermal drug delivery system has proven to be a valuable alternative. This system involves the application of a transdermal patch onto the skin, facilitating the controlled release of a specific medication through the skin and into the bloodstream. The primary objective is to enhance the healing process of the affected area of the body. Notably, the transdermal …
Published in Research and Reviews : Journal of Surgery · Vol. 12, Issue 3, 2023 · pp. 10–13 Read article
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Design and Simulation of a Transformer Coupled Push-Pull Inverter and Matrix Converter Types Smart Solar Grid System
Abstract: This research paper deals with the design and simulation of facile and robust AC voltage originator using a solar power. PV technology is used for generating DC voltage as solar power is very reliable source. Push-pull inverter is used to convert the DC to AC as well as enhanced the magnitude of single phase signal. Matrix converter is also used to convert the single phase AC to three-phase AC signal. …
Published in Trends in Electrical Engineering · Vol. 9, Issue 1, 2019 · pp. 1–16 Read article
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Comparative Analysis of Processing-Property Relationships in Metal and Polymer Matrix Composites: A Unified Statistical Framework for Hardness Characterization
Abstract: Composite materials, encompassing both metal matrix composites (MMCs) and polymer matrix composites (PMCs), exhibit complex processing-property relationships that fundamentally govern their mechanical performance across diverse applications. This study presents a unified statistical framework for analyzing hardness characteristics in composite systems, using aluminum-tungsten carbide (Al-WC) metal matrix composites as a representative model system while establishing connections to polymer matrix composite behavior. The investigation employed comprehensive processing parameter optimization, microstructural characterization, and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 419–430 Read article
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GIS and Matrix based Methods for Environmental Impact Assessment for Bwari New Town Development Area, FCT, Nigeria
Abstract: Geographical information systems matrix-based assessments plays vital role in providing opportunity to enhance environmental impact assessment. This research was carried out in order to assess Environmental Impact Assessment for the Development New Town site in Bwari Area Council of the Federal Capital Territory, Nigeria using Geographic Information Systems, Remote Sensing and Matrix based methods. In order to achieve the aim and objectives of the research, various raw data were collected, …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 9, Issue 3, 2020 · pp. 25–33 Read article
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Fault Detection in Solar PV Systems Integrated with the Power Grid: Evaluating Logistic Regression through Confusion Matrix Analysis
Abstract: This paper proposes a method for failure detection in grid-integrated solar photovoltaic (PV) systems using logistic regression and real-time sensor data. The approach effectively classifies and identifies seven distinct fault types. The developed model demonstrates a high fault identification accuracy, ranging from 93% to 96.5% across various fault types and operational conditions. By leveraging logistic regression, the system utilizes key independent variables that significantly influence the classification process. Additionally, the …
Published in Journal of Power Electronics and Power Systems · Vol. 15, Issue 2, 2025 · pp. 45–52 Read article
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Recent Progress in Near-Surface Mounted Fiber-Reinforced Polymer Strengthening Systems: Composite Materials, Adhesive Technologies, and Interfacial Bonding
Abstract: Fiber-reinforced polymer (FRP) composites have emerged as one of the most promising classes of advanced engineering materials for structural strengthening and rehabilitation owing to their high specific strength, excellent corrosion resistance, fatigue durability, and design flexibility. Among various strengthening approaches, near-surface mounted (NSM) systems have gained significant attention because they provide enhanced bond performance, improved protection against environmental exposure, and superior utilization of FRP reinforcement compared with conventional externally bonded …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1145–1153 Read article
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Damage Evolution and Delamination Resistance in Polymer Matrix Functionally Graded Laminates
Abstract: Functionally graded laminates (FGLs) in polymer-matrix systems represent a promising pathway to enhance damage tolerance and delay delamination in advanced structural composites. In this study, we explore the mechanisms of damage initiation, propagation, and delamination resistance in polymer matrix functionally graded laminates (PM-FGLs) through a combined experimental–computational approach. Laminates with linear, exponential, and bio-inspired gradation profiles were fabricated using vacuum-assisted resin transfer molding (VARTM) and additive manufacturing techniques. Comprehensive mechanical …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 321–337 Read article
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Formulation Development and Evaluation Technique for Immediate and Modified Release Capsule
Abstract: The development and evaluation of formulations for immediate-release (IR) and modified-release (MR) capsules represent a critical aspect of pharmaceutical dosage form design, offering distinct advantages in terms of drug release profiles and therapeutic outcomes. This study focuses on the formulation strategies, techniques, and evaluation methods used to develop both IR and MR capsules. Immediate-release capsules are designed to disintegrate quickly in the gastrointestinal tract, ensuring rapid drug absorption, while modified-release …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 3, Issue 1, 2025 · pp. 1–9 Read article
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Polymer Composite Phase Change Materials: Materials Design, Processing, Characterization, and Structure–Property Relationships—A Comprehensive Review
Abstract: Polymer composite phase change materials (PCPCMs) have been recognized as an innovative category of multifunctional polymeric materials, which could be tuned by appropriate materials design, composite formation, and interface modification. With the incorporation of phase change materials in polymer matrix systems and functional fillers, PCPCMs show improved mechanical properties, physicochemical stability, and functionality in contrast to traditional phase change materials. With recent advances in polymer science, nanocomposites, and processing techniques, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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Advanced Fiber-Reinforced Polymer Composites: Processing, Nano-Modified Adhesive Technologies, Interfacial Engineering, Durability, and Structural Applications—A Comprehensive Review
Abstract: Fiber reinforced polymer (FRP) composites are considered to be one of the most universal categories of advanced engineering materials owing to their unique properties such as outstanding strength-to-weight ratio, corrosion resistance, fatigue durability, and wide opportunities for design. Innovations in the fields of fiber reinforcement, polymer matrix system, composite manufacturing technologies, and nano-modified adhesives technology have greatly extended the range of applications of this type of materials in aerospace, automotive, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 980–990 Read article
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Effect of CTBN Micro-Rubber Particles on Fatigue Performance of Carbon Reinforced Epoxy Composites
Abstract: In the automobile industry, composite materials are sought after for their lightweight and superior properties, such as high stiffness, specific strength, and chemical resistance. Epoxy resins, brittle in nature, are used as a matrix system in many composite manufacturing industries and are enhanced by reactive liquid rubbers to increase toughness. In this research, carbon reinforced epoxy composites were manufactured with carboxyl-terminated butadiene-acrylonitrile (CTBN) rubber particles using low-cost vacuum assisted resin …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 2, 2018 · pp. 15–25 Read article
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Review on Sustained Released Matrix Tablet
Abstract: Pharmaceuticals often use sustained release dose forms to prolong the therapeutic agent’s presence in the bloodstream and maintain a consistent plasma profile. The matrix governs the drug’s release rate. Hydroxypropyl methyl cellulose, a release retardant, is a key excipient in formulations due to its ability to promote sustained release. Techniques that include wet granulation, direct compression, or the dispersion of solid particles within a porous matrix, integrating polymers, like polymethyl …
Published in Trends in Drug Delivery · Vol. 12, Issue 2, 2025 · pp. 60–69 Read article
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Universal Microcontroller Trainer Board Design for Speed Controlling of BLDC Motor and Text Controlling of Dot-Matrix Display
Abstract: Reduce Instruction Set Computing (RISC) related micro-controlling is taking over modern life little by little. Practicing these phenomena becoming necessary in engineering sectors. In this research, a segmented laboratory-kit has been developed to involve students in controlling Brushless Direct Current (BLDC) Motor and Light Emitting Diode (LED) Dot Matrix Display. This lab kit introduces several features for those two modules. The Rotation Per Minute (RPM) measurement using Infrared (IR) sensor, …
Published in Journal of Microcontroller Engineering and Applications · Vol. 8, Issue 3, 2021 · pp. 6–21 Read article
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Damage Mechanisms in Multiwall Carbon Nanotube-based Carbon Fiber Reinforced Composites under Ballistic Impact Loading
Abstract: The incorporation of nanomaterials even in very small amounts has a significant effect on the properties of the fiber reinforced polymer reinforced composites. Multiwalled carbon nanotubes (MWCNTs) are studied mostly due to their potential for higher energy absorption capacity and high hardness. Due to the enormous growth of utilization of composites in aerospace, automotive, marine, and defense industry, impact resistance is a major concern due to their high susceptibility to …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 2, 2018 · pp. 36–47 Read article
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Harnessing the Potential of Virtual Instrumentation
Abstract: The Virtual Instrument (VI) uses custom software and hardware to create a user-defined measurement system, called a Virtual Instrument. Virtual instruments are similar to traditional instruments, such as multimeters, oscilloscopes, spectrum analyzers, and data acquisition systems. It has great flexibility, high performance, flexibility and low cost. Primarily, it consists of a personal computer or workstation, and Vi software such as LabVIEW, NI DAQmx, and MATLAB. This modular hardware includes data …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 1, 2024 · pp. 1–15 Read article
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Vibration Characterization of SiCp and Fly Ash Dispersion Strengthened Aluminium 5083 Composites
Abstract: The requirements of current day engineering applications is based on high damping materials which exhibit superior mechanical properties as well as high damping limit for vibrations. In structures made of metals and composites, it is difficult to achieve high damping limit and great mechanical properties at the same time. This is majorly due to the infinitesimal systems that result in "microscopic mechanisms and parameters affecting the mechanical strength". However, to …
Published in Journal of Aerospace Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 61–72 Read article
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Microwave Curing of Glass-Epoxy Composites Using Silica Based Moulds
Abstract: AbstractFor polymer composite product manufacture, curing of the fibre reinforced polymers (FRP) is a critical step in achieving desired mechanical properties. The conventional cure processes involve thermal curing in hot air ovens and autoclaves where the cure process is time and energy intensive. In this context, microwave curing is one of the most promising processing methods since it results in substantially reducing cure cycle time, energy requirements and operational costs …
Published in Journal of Polymer & Composites · Vol. 3, Issue 2, 2015 · pp. 52–57 Read article
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Retrofitting of RC Beams Using FRP and FRCM
Abstract: The deterioration of reinforced concrete (RC) structures due to various factors such as aging, aggressive environments, or increased loads poses significant challenges to structural integrity and safety. Retrofitting techniques have emerged as effective solutions to enhance the structural performance of existing RC members. Among the retrofitting options, the use of Fibre Reinforced Polymer (FRP) and Fibre Reinforced Cementitious Matrix (FRCM) systems have gained considerable attention in recent years. The study …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 31–40 Read article