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69 articles for “surface modification”
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Advancements of Carbon Quantum Dot and their use in Biomedical
Abstract: Carbon quantum dots (CQDs) have gained significant attention in the biomedical field due to their unique physicochemical properties and potential biomedical applications. In this review, we provide a comprehensive overview of recent advancements in CQD synthesis, functionalization, and their use in biomedical applications. Firstly, we discuss various synthetic methods used to produce CQDs, including microwave-assisted synthesis, hydrothermal synthesis, and electrochemical synthesis. Next, we delve into the functionalization of CQDs, which …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 2, 2022 · pp. 28–33 Read article
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Uses of Natural Fibres in Polymer Composites
Abstract: The increasing demand for sustainable and eco-friendly materials has led to growing interest in utilizing natural fibers as reinforcements in polymer composites. Natural fibers such as jute, flax, hemp, sisal, and coir have gained notable attention due to their renewable origin, biodegradability, low density, and cost-effectiveness when compared with conventional synthetic fibers like glass or carbon. When combined with suitable polymer matrices, these fibers form natural fiber-reinforced polymer composites (NFRPCs), …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 · pp. 1–9 Read article
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Studies on Functionalized Nonwoven Polypropylene Fabric for Antibacterial & Antiviral Properties
Abstract: Nonwoven polypropylene (NWPP) fabric is a versatile material used predominantly in medical field for hygiene products and for PPE applications. The application of NWPP is limited in disinfectant area due to lack of antimicrobial properties and its non-polar nature. The coating of antimicrobial agents on NWPP fibre is expected to lower down the intensity of communicable microbial infections. The present study involves the surface functionalization of NWPP fibre via plasma …
Published in International Journal of Polymer Science and Engineering · Vol. 11, Issue 1, 2025 · pp. 24–34 Read article
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Functionalization of Reclaim Rubber: Possible Precursor for Polyblends in Engineering Applications
Abstract: Improvements in mechanical and dynamic properties of a blend can be achieved by surface treatments such as grafting of functional groups on one of the blend components or activation by the application of a coating of a polymer. This paper describes the effect of grafting maleic anhydride on reclaim rubber with varying levels of maleic anhydride (i.e., 2 and 5 phr) on open two roll mills. Investigated cure characteristics and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 3, Issue 1, 2017 · pp. 18–23 Read article
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Experimental Background, Designs and Bioengineering Applications of Microfluidic Immunosensor Devices
Abstract: In this short review, the microfluidic Immunosensor devices are briefly reviewed. In the last few years, the experimental techniques have been developed to immobilize the antibodies and other relevant molecules. Also, surface modification techniques have been developed to resist the non-specific adsorption. Fluorescence and electrochemistry are used as detection methods. In future, the microfluidic Immunosensor devices will be used for better sensitive detection, miniaturization, increased integration, multianalyte analysis and many …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 4, Issue 1, 2018 · pp. 6–9 Read article
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NANOTECHNOLOGY- A TINY POSSIBLE SOLUTION TO THE GLOBAL WATER CRISIS?
Abstract: The rapidly increasing population, depleting water resources, and climate change have resulted in prolonged droughts and floods. This has rendered drinking water a competitive resource in many parts of the world. The development of cost-effective and stable materials and methods for providing fresh water in adequate amounts is the need for today’s world. Traditional water/wastewater treatment technologies remain ineffective for providing adequate safe water due to increasing demand of water …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 23–32 Read article
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Synthesis of Silica Nanoparticles using Sodium Silicate Solution by Sol Gel Method
Abstract: The most commonly used route for synthesizing silica nanoparticles is sol-gel method due to its ability to produce monodispersed with narrow-size distribution nanoparticles at mild conditions. Recent advances in the sol-gel process for synthesis of monodispersed, narrow-size distribution nanoparticles have boosted the development of silica-polymer nanocomposites significantly. The focus of this research is on the synthesis of silica nanoparticles, size-dependent property characterization, and surface modification for the creation of homogenous …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 28–31 Read article
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Controlled Texture of Magnetron Sputtered Transparent Conducting ZnO: Al Films for Solar Cell Applications
Abstract: Textured transparent and conducting ZnO:Al films were prepared by rf-magnetron sputtering on glass substrate at a temperature 3500C under Ar and Ar+O2 gas ambient. ZnO:Al thin films shows a minimum electrical resistivity of (~8.210-4 Ω-cm), and high optical transmittance (T~86–90% average) in visible region. With increasing of oxygen concentration ZnO:Al films become more compact, stoichiometric and becomes more electrically resistive. ZnO:Al shows hexagonal wurtzite polycrystalline structure with strong (002) orientations. …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 2, 2015 · pp. 12–19 Read article
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A review on Surface engineering and its methods.
Abstract: Surface engineering is the process of creating a surface/substrate composite system that achieves performance that neither the surface composition nor the substrate alone can achieve. This is achieved by modifying the substrate surface to improve beauty, provide environmental protection, or increase mechanical or physical performance.. Surface engineering plays a significant role in tribology and modifies or coats a component's surface to improve its properties. This article logically analyses a wide …
Published in International Journal of Manufacturing and Materials Processing · Vol. 8, Issue 1, 2022 · pp. 20–23 Read article
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Physico-Mechanical Performance of Waste Plant Fiber Reinforced Thermoplastic Composites for Automotive Applications
Abstract: To maximize the interfacial bond strength, it is necessary to investigate the direct relationship between the degree of fiber-matrix adhesion and the mechanical and fracture behavior of composites. In this work, the strength of the interfacial bond between polypropylene (PP) and waste plant fiber (Dharose plant fiber, DF) that have been subjected to ultraviolet radiation (UV) was established. By using hot press molding, unidirectional composites of PP with dharose plant …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 14–24 Read article
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Nanotechnology-Enabled Non-Invasive Teeth Whitening: Safety, Efficacy, and Regulatory Perspectives with a Focus on India, Asia, and Developed Countries
Abstract: Demand for tooth whitening is growing worldwide, but conventional peroxide-based bleaching is associated with dentin hypersensitivity, enamel softening, and soft tissue irritation, especially under repeated or high-concentration use. Nanotechnology offers a new class of non-invasive whitening strategies that aim to combine esthetic improvement with enamel protection and remineralization. Among these, nanohydroxyapatite (nanoHAP) toothpastes and gels have the most advanced evidence base; in vitro and in situ studies indicate that nanoHAP …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 Read article
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Nanotechnology-Enabled Non-Invasive Teeth Whitening: Safety,Efficacy, and Regulatory Perspectives with a Focus on India, Asia, and Developed Countries
Abstract: Demand for tooth whitening is growing worldwide, but conventional peroxide-based bleaching is associated with dentin hypersensitivity, enamel softening, and softtissue irritation, especially under repeated or high-concentration use. Nanotechnology offers a new class of non-invasive whitening strategies that aim to combine esthetic improvement with enamel protection and remineralization. Among these, nanohydroxyapatite (nanoHAP) toothpastes and gels have the most advanced evidence base; in vitro and in situ studies indicate that nanoHAP deposits …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 Read article
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An Investigation of Physico-mechanical Characterizations of Recycled Cellulose Fiber and Glass Fiber-polypropylene Hybrid Composite
Abstract: In the field of marine engineering design, polymeric composites reinforced with natural fibers are extensively used. The results of this study demonstrate that these properties can be enhanced by adding glass fiber (GF) to recycled cellulose fiber (rCF) plastic composites. The performance of rCF and rCF/GF hybrid polypropylene (PP) composites is being studied in the current experimental effort. On the tensile behavior and impact strength of composites containing 30 wt% …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 1, 2023 · pp. 1–10 Read article
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Preparation and Characterization of Ce-Si-SBA-15 Modified With Iron
Abstract: Recently environmental concerns have driven the development of specialized catalysts to prevent polluting substances from being released into the environment. New technologies have improvised our understanding of catalytic functions as well as selectivity in order to save the energy and chemicals. Today, catalysis is the workhorse in the chemical industry with approximately >90% of the products produced in catalytic processes. In addition, life cannot exist without catalysis, as virtually all …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 2, Issue 1, 2016 Read article
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Basic Fundamentals of Different Solar Cells, Solar Energy Materials and Photovoltaic Performances
Abstract: Solar cell is one of the thrust areas of modern technology in the field of renewable energy. Crystalline semiconductor wafer based solar cells (SCs) (thicknesses almost 200–300 μm) mainly crystalline-Si or GaAs based solar cells are playing the legend role in last few decades. With technological revolution, thin film SCs (thickness range 1–2 μm), dye-sensitized or Graetzel, organic/polymer and plasmonic solar cell respectively are known as 2nd,3rd, 4th and 5th …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 1–9 Read article
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Lead (II) Ion Biosorption from Aqueous Solution ontoHexadecyltriammonium Bromide (HDTMA-Br) Modified Dry Water Hyacinth
Abstract: Heavy metal release into the environment by industrial activities has become a persistent problem,with these contaminants continually increasing in concentration. Heavy metals not only circulatethrough ecosystems but also accumulate in organisms over time, which elevates their toxic effectsalong the food chain. This research was conducted to explore the efficiency of biosorption inremoving lead (II) ions from aqueous solutions using water hyacinth powder modified withhexadecyltriammonium bromide (HDTMA-Br), a cationic surfactant. The …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 2, 2025 Read article
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Short Review on Passive Capillary Flow in Microfluidics with an Experimental Demonstration about the SU-8 based Microfluidic Device
Abstract: In this experimental work, a single SU-8 based glass microfluidic device is fabricated by maskless lithography and indirect bonding technique. The surface-driven microfluidic flow of dyed water is recorded in the fabricated SU-8 device. Negative photoresist SU-8 is an efficient polymer to fabricate the microfluidic devices. A brief review on surface-driven passive microfluidic flow is provided in this short experimental report towards the applications in microfluidic lab-on-a-chip systems. This short …
Published in International Journal of Analytical and Applied Chemistry · Vol. 8, Issue 1, 2022 · pp. 1–6 Read article
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Essential of bearing in materials engineering
Abstract: Essentials of bearing have been to maintain lubricant film to prevent metal to metal contact and hence local welding of two surfaces. Tribological and mechanical properties have improved by powder metallurgy route of bearing fabrications. Alloyed non-ferrous plane bearings have better friction coefficients than pure metals. Betterment has appeared in babbit/ bronze particulate reinforced composites. Ni addition has improved performances of graphite-lead free tin bronze composite layers on surface of …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 2, 2019 · pp. 1–17 Read article
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Evaluation of Hydrodynamic Characteristics of Quarter Circular Breakwater by RBF Network and Regression Models
Abstract: Breakwaters are massive structures constructed to provide the required tranquility within the ports and also used for safeguarding the beaches from eroding due to severe action of waves especially during inclement weather. In the recent years, innovative structures like Semi-Circular Breakwater (SCB) and Quarter Circular Breakwater (QCB) are being evolved to fulfill the ever increasing demand from coastal sector. QCB is a modified SCB, which is similar to caisson consists …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 2, 2020 · pp. 11–22 Read article
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Effect of Binder Type, Binder Content, Aggregate Gradation, Temperature and Air Voids on Rutting Susceptibility of Bituminous Mixes
Abstract: Abstract This paper presents an experimental investigation carried out to evaluate the rutting susceptibility of bituminous mixes. The effect of binder type and content, aggregate gradation and temperature are evaluated by means of a wheel tracking test. Two conventional VG 30 and VG 40 binders and one SBS polymer modified binder PMB 40 are used. Three types of aggregate gradations for bituminous concrete (BC), a dense graded mix commonly used …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 1, Issue 2, 2015 · pp. 31–39 Read article