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82 articles for “sodium”
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Evaluation of Tectona Grandis Leaf Extract As A Green Corrosion Inhibitor for Aluminium in 1M NaOH
Abstract: A kind of tropical hardwood tree called the Tectona grandis tree that is indigenous to India. The name "teak tree" is another common name for this kind of tree. It is a member of the plant family that is referred to as Lamiaceae. The primary purpose of this research is to investigate whether or not the plant extract has a corrosion-inhibiting quality. In this study, an aqueous extract of Tectona …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 41–50 Read article
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Investigation on the mechanical characteristics and productivity of GGBS based geopolymer mortars
Abstract: It has been known for decades that geopolymer will significantly replace cement's function in construction industry. Geopolymer has low creep and shrinkage and a peak compressive strength. That is as per a recent study, geopolymer mortar is made by Fly ash and GGBS. The composition includes (100-60%) GGBS with a 10% substitution of fly ash. Alkali activators used in the research are sodium hydroxide (NaOH) and sodium silicate (Na2SiO3). In …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 253–264 Read article
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Tribological Assessment of Chemically Modified Jatropha Curcas Oil Developed by Addition of Graphite Nanoparticles for Biolubricant Applications
Abstract: As an alternative to petroleum-based lubricants, environmentally friendly bio-based lubricants are gaining popularity in the lubrication industry. A sustainable bio-based lubricant, Jatropha Curcas Oil (JCO) incorporates nanoparticles as additives. Nevertheless, this oil cannot be used directly as a biolubricant due to its low oxidative stability. By redesigning the oil's molecular structure through chemical modification, this restriction can be overcome. Epoxidation and oxirane ringopening were the two steps used in this …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 47–58 Read article
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A Review on Using Recycled Aggregate with Various Pozzolans in Geopolymer Concrete
Abstract: Reducing the use of natural resources is crucial to solving the global issue of CO2 emissions. Concrete can be produced sustainably by using recycled aggregates and geopolymer binders, which are environmentally benign alternatives to traditional components. Carbon footprints can be reduced by using these materials instead of ordinary Portland cement and natural aggregates. Among all the combinations, recycled coarse aggregates (RCA) and geopolymer concrete have garnered attention as a viable …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 486–493 Read article
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Novel Poly (Methyl Cellulose-G-Acrylamide)/Sodium Alginate Based Zeolite 4A Filled Mixed Matrix Membranes for The Separation of Water-Isopropyl Alcohol Mixtures by Pervaporation
Abstract: The Filled blend matrix membranes of (Methyl Cellulose-g-Acryl amide)/Sodium Alginate {(MC-g-AAm)/NaAlg} prepared via solution casting method by in situ incorporation with 4A zeolite particles in 5, 10 and 15 mass % with respect to the weight of (MC-g-AAm)/NaAlg membrane. Several analytical tools such as scanning electron microscope (SEM), atomic force microscope (AFM), Fourier transform infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and thermo-gravimetric analysis (TGA) were …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 131–152 Read article
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Investigation of Sulphate, Alkali and Carbonation Chemical attack in GGBS-Based Geopolymer Concrete and OPC Concrete
Abstract: This study presents a comparative evaluation of the durability of GGBFS-based Geopolymer Concrete (GPC) and OPC concrete in rapid carbonation, sulphate, and alkali environments. All samples were subjected to three severe conditions are carbonation at 4% CO₂, 25°C and 60% relative humidity, exposure to a 10% sodium sulphate (Na₂SO₄) solution, and immersion in a 10% sodium hydroxide (NaOH) solution for alkali resistance. The durability characteristics were evaluated by the compressive …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 13–35 Read article
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Design of a Geopolymer Based on Fly Ash and Metakaolin with a Solid, Liquid, and Powdered Alkaline Activator at High Temperatures
Abstract: In this work, the fresh and hardened properties of geopolymer concrete activated using solid, liquid, and powder alkaline activator systems, including fly ash and different amounts of metakaolin, are examined. Compressive and flexural strengths were assessed at 7 and 28 days in accordance with IS 516 (1959). Workability was evaluated using a slump test in accordance with IS 1199 (Part 2): 2018. At an ideal replacement level of 30%, the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 712–726 Read article
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Role of ion Regulation in Heartbeat Initiation
Abstract: The heart can beat quite 2 billion times in normal life, but the mechanism by which the guts beats is that the subject of intense research. Since the invention of pacemaker currents in 1978, several studies have shown that rhythmic changes in membrane tension (the "membrane tension clock") underlie the mechanism of automation. It's the depolarizing current activated during hyperpolarization. Therefore, when the guts cells recover, it's activated, the cell …
Published in Research and Reviews: A Journal of Medicine Read article
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Development and Assessment of Levetiracetam Microspheres Utilizing Synthetic and Natural Polymers: A Biomedical Engineering Perspective
Abstract: In the present study, comparative study of Levetiracetam loaded microspheres using Ethyl cellulose as synthetic and Sodium alginate as natural polymers was done. Solvent evaporation and ionic gelation technique has been successfully employed to produce Levetiracetam loaded ethyl cellulose and sodium alginate microspheres with optimal drug encapsulation that sustained the drug release over a period of time. Based on the pre-formulation studies E1 to E4 and S1 to S4 batches …
Published in International Journal of Biomedical Innovations and Engineering · Vol. 2, Issue 1, 2024 · pp. 1–18 Read article
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Floating In-Situ Gel for Gastric Retention Delivery
Abstract: When taken orally, medications with a limited window of absorption in the gastrointestinal tract (GIT) are typically accessible to the extremities due to the partial release of the active component and the brief residence period at the absorption site. Because they prolong the duration of the drug's presence in the stomach, they are made with high density and have the capacity to swell. Because oral fluids go more quickly through …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 11, Issue 2, 2024 · pp. 24–32 Read article
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Novel Amino Silanes for Inhibition and Dissolution of Aldol Polymer for Caustic Tower in Cracker Plant
Abstract: Aldol polymer fouling in petrochemical plant is an undesirable process, which needs to be removed for increasing the efficiency of downstream process. In this paper, inhibition and dissolution efficiency of the aminopropyl trimethoxy silane (APTMS), aminopropyl triethoxy silane (APTES), sodium salt of aminopropyl trimethoxy silane (SS-APTMS), sodium salt of aminopropyl triethoxy silane (SS-APTES) were studied at different molar ratio of vinyl acetate (VA):amino alkoxy silane (antipolymerant). The sodium salt of …
Published in Journal of Petroleum Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 35–48 Read article
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Characterization of Bamboo-Fiber Reinforced Geopolymer Composites
Abstract: In this project, we plan to produce and assess a new, eco-friendly composite made from geopolymer (from a combination of fly ash and GGBFS), strengthened with chemically treated bamboo fibres for retrofitting earthquake-resistant buildings. Geopolymer is produced by activating a mixture of fly ash and GGBFS with sodium silicate and sodium hydroxide solutions. We have produced and analyzed bamboo fibre-reinforced geopolymer composites as potential materials for seismic retrofitting of structures …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1007–1025 Read article
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The Utilization of Oil Entrapped Floating Alginate Beads in a Gastroretentive Delivery System is Intended to Improve the Bioavailbility of Telmisartan Incorporating Principles of Bioinformatics
Abstract: Oil entrapped floating calcium alginate beads of Telmisartan were successfully prepared using sodium alginate as polymer and two different oil phases of mineral oil and olive oil by emulsion gelation method. The FT-IR spectra of final optimized formulation confirms no drug- polymer incompatibility. The floating time of beads was found to be more than 12 hrs suggesting that the method used for prepration was effective. The floating time of optimized …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 11, Issue 1, 2024 · pp. 21–38 Read article
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Biomedical Approach to Developing and Characterizing Chitosan Nanoparticles Encapsulating Urapidil for Hypertension Management
Abstract: The aim of this study was to create Chitosan Nanoparticles loaded with Urapidil to achieve controlled drug release, enhance solubility, and reduce dosing frequency to improve patient adherence to therapy for hypertension. Urapidil was formulated into nanoparticles via the ionic-gelation method using Chitosan as a polymer, Sodium tripolyphosphate as a cross-linking agent, and filled into hard gelatin capsules after lyophilization. Pre-formulation studies, including melting point analysis and determination of the …
Published in International Journal of Biomedical Innovations and Engineering · Vol. 2, Issue 1, 2024 · pp. 43–51 Read article
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Estimation of Alogliptin and Dapagliflozin in Synthetic Mixture by RP-HPLC Method
Abstract: The primary objective of the proposed research was to develop and validate analytical methods for the simultaneous quantification of Alogliptin and Dapagliflozin in a synthetic mixture. Alogliptin and Dapagliflozin are medications used for managing diabetes, with Alogliptin inhibiting the enzyme Dipeptidyl peptidase-4 and Dapagliflozin belonging to the class of sodium-glucose cotransporter 2 inhibitors. High-performance liquid chromatography method development was conducted using a C18 column (250 mmX4.6 mm, 5 μm particle …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 15, Issue 2, 2024 · pp. 37–46 Read article
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Groundwater Quality Assessment for Drinking and Irrigation Purposes in Tadimarri Mandal, Sri Sathya Sai District, Andhra Pradesh Using Water Quality Index and Geospatial Techniques
Abstract: Groundwater is the primary source of potable water and supports agriculture worldwide. Assessing its quality is vital to determine its suitability for various purposes, especially as a safe drinking water source. This study focuses on evaluating the quality of groundwater used for drinking and irrigation in Tadimarri Mandal, Anantapur district, Andhra Pradesh, India. During the pre-monsoon season, 30 groundwater samples were collected from boreholes and analyzed for physicochemical parameters. The …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 3, 2024 · pp. 1–19 Read article
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Utilization of Clay as Source Material in Geopolymer and Alkali Activated Concretes: A State of Art Review
Abstract: This innovative research looks at the use of clay as source material for geopolymer and alkali- activated concrete, with a focus on how they could promote green construction practices and perhaps replace Portland cement. Alkali-activated concretes and geopolymers offer low-carbon, eco-friendly alternatives by utilizing natural minerals and industrial wastes. Particularly clay is a plentiful and adaptable option for these cutting-edge products. This review looks at different kinds of clay, like …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 635–654 Read article
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Optimization of Polymer-Enhanced Sustainable Concrete: A Composite Approach with Bentonite and Crumb Rubber Aggregates
Abstract: The disposal of rubber tyres has become challenging; on the other hand, the utilization of rubber tyres is also increasing daily in society. The successful use of crumb rubber as an alternative aggregate and bentonite as a partial cement replacement in concrete composites has been well established through prior research. These materials have individually demonstrated their potential to enhance sustainability, improve concrete properties, and reduce environmental impact, paving the way …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 701–715 Read article
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Development and Optimization of Orally Disintegrating Tablets (ODTs) Containing Standardized Curcumin Extract for Enhanced Bioavailability and Patient Compliance
Abstract: This research centers on creating and perfecting orally disintegrating tablets with standardized curcumin extract to both increase its bioavailability and promote better patient adherence. Although curcumin has numerous therapeutic applications. It remains clinically ineffective due to its poor aqueous solubility and bioavailability constraints. The development of orally disintegrating tablets involved direct compression with various levels of superdisintegrants including sodium starch glycolate and cross povidone to address existing challenges. Research teams …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 12, Issue 3, 2025 · pp. 1–06 Read article
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Development and Characterization of Bottom Ash–Fly Ash–GGBS-Based Geopolymer Composites for Sustainable Applications
Abstract: The growing demand for sustainable construction materials has spotlighted geopolymer concrete (GPC) as an environmentally viable substitute for conventional cement-based systems. This study presents an innovative dual-waste valorization approach, integrating pulverized bottom ash (BA) and ground granulated blast furnace slag (GGBS) as binders while replacing sodium silicate (Na₂SiO₃) in the alkaline activator with treated textile effluent. Unlike prior works that focus solely on solid waste incorporation, this research pioneers the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 32–42 Read article