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38 articles for “Surface to volume ratio”
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Experimental Studies on the Capillary Flow Phenomena in Polyimide Based Glass Microfluidic Devices
Abstract: The polyimide based glass microfluidic devices are fabricated using the maskless lithography. Water is the only working liquid in this work. The effects of micropillar side length, microfluidic friction and surface area to volume ratio on the surface-driven capillary flow of water are studied experimentally. The surface-driven capillary flow of water is slower due to higher microfluidic friction. This work will be useful to control the water inside the microfluidic …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 3, 2017 · pp. 22–26 Read article
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Optical Recording of Flow Phenomena in Photoresist based Microfluidic Devices
Abstract: AbstractIn this experimental work, a set of three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and indirect bonding technique without having any microfluidic leakage. Dyed ethanol (10% ethanol, 90% red dye) is prepared and used as dyed working liquid. The microfluidic leakage is observed in other set of two leaky microfluidic devices due to improper indirect bonding technique. The effect of surface-to-volume ratio on surface-driven capillary …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 1, 2020 · pp. 36–42 Read article
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Short Review on the Flow and Filtration of Polystyrene Microparticles in Micron-Scale Fluid Mechanics towards the Applications related to fluidic Microelectromechanical Systems
Abstract: Maskless lithography, hot embossing lithography and direct bonding technique are useful to fabricate the polymethylmethacrylate (PMMA) microfluidic devices. Also, maskless lithography and indirect bonding technique are useful to fabricate the SU-8 based glass microfluidic devices. In this work, a short review on microfluidic flow and microfluidic filtration of microparticles is provided by author related to the micron-scale fluid mechanics. This review may be useful to perform the blood filtration in …
Published in Journal of Microelectronics and Solid State Devices Read article
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Short Report to Describe the Surface-driven Microfluidic Flow in Fluid Mechanics
Abstract: In this short report, a brief review on surface-driven microfluidic flow is provided. Also, the maskless lithography and indirect bonding technique are used to fabricate a single SU-8 based glass microfluidic device. Dyed ethylene glycol is prepared as working liquid to test the fabricated device. The surface-driven microfluidic flow of dyed ethylene glycol is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of …
Published in Recent Trends in Fluid Mechanics Read article
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Short Experimental Report on Lithographic Technique in Microfluidics
Abstract: In this experimental work, a single SU-8 based glass microfluidic device is fabricated by the maskless lithography and indirect bonding technique. The sealing by indirect bonding technique is perform during the hard baking in maskless lithography. Dyed ethylene glycol is prepared as the working liquid. A CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record the surface-driven microfluidic flow of …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 1–5 Read article
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Flow and Filtration of Polystyrene Microparticles in Micron-Scale Fluid Mechanics towards the Applications related to fluidic Microelectromechanical Systems
Abstract: Maskless lithography, hot embossing lithography and direct bonding technique are useful to fabricate the polymethylmethacrylate (PMMA) microfluidic devices. Also, maskless lithography and indirect bonding technique are useful to fabricate the SU-8 based glass microfluidic devices. In this work, a short review on microfluidic flow and microfluidic filtration of microparticles is provided by author related to the micron-scale fluid mechanics. This review may be useful to perform the blood filtration in …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 3, 2021 · pp. 36–41 Read article
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Surface-Driven Microfluidic Flow in Fluid Mechanics
Abstract: In this short report, a brief review on surface-driven microfluidic flow is provided. Also, the maskless lithography and indirect bonding technique are used to fabricate a single SU-8 based glass microfluidic device. Dyed ethylene glycol is prepared as working liquid to test the fabricated device. The surface-driven microfluidic flow of dyed ethylene glycol is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 3, 2021 · pp. 1–5 Read article
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Experimental Demonstration on Microfluidic Capillary Flow of Red Dye in Photoresist based Glass Microfluidic Devices
Abstract: In this experimental work, a set of three individual SU-8 based glass microfluidic devices are fabricated by maskless lithography and indirect bonding technique in leakage-free conditions. Commercially available red coloured food dye is used as the selected working liquid. The microfluidic leakage in other set of two leaky microfluidic devices is experimentally demonstrated. Microfluidic devices should be fabricated at leakage-free conditions to achieve exact fluid flow characteristics. The effect of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 1–7 Read article
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Nanotechnology-Enabled Biosensors for Early Disease Diagnosis and Personalized Healthcare Monitoring
Abstract: Nanotechnology has revolutionized the field of biosensors, enabling early disease diagnosis and personalized healthcare monitoring. Utilising the special qualities of nanomaterials—such as their high surface-to-volume ratio, remarkable electrical and optical capabilities, and customised surface chemistry—nanotechnology-enabled biosensors create extremely sensitive and focused diagnostic instruments. With previously unheard-of sensitivity and accuracy, these biosensors are able to identify and measure a wide range of biomarkers, such as proteins, nucleic acids, and tiny molecules. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 1, 2024 · pp. 1–15 Read article
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Wearable Devices Incorporating Nanostructured Biosensors: Enabling Real-Time Monitoring and User-Friendly Interfaces
Abstract: Wearable devices incorporating nanostructured biosensors have emerged as a revolutionary technology, enabling real-time monitoring of various physiological parameters and biomarkers. These devices leverage the unique properties of nanostructured materials, such as high surface-to-volume ratio, enhanced sensitivity, and improved electrical and optical characteristics, to achieve exceptional performance in terms of sensitivity, selectivity, and response time. This chapter explores the recent advancements in wearable devices with nanostructured biosensors, highlighting their applications in …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 1, 2024 · pp. 13–21 Read article
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Polymer Nanocomposites As Emerging Platforms in Pharmaceutical Nanotechnology
Abstract: Nanotechnology allows the handling of materials in the 1–100 nm range, where distinct physicochemical phenomena, including quantum effects and higher surface-to-volume ratio, enable disruptive uses in pharmaceuticals and biomedicine. Significant challenges in solubility, stability and targeted biodistribution of therapeutics can be overcome by incorporating nanostructured polymers and polymer-based composites into drug delivery systems. PLGA nanoparticle and other nanocarriers, such as PLGA micelles, dendrimers, and hydrogels, have revealed promising effects on …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 268–278 Read article
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A Concise Overview of Recent Developments and Uses in Nano-Silica and Nanoparticles Encased in Silica
Abstract: Nano-silica and silica-coated nanoparticles have gained significant attention lately due to their exceptional chemical and physical properties, including a high surface area-to-volume ratio, adjustable porosity, thermal and chemical stability, biocompatibility, and ease of surface modification. These characteristics make them versatile materials applicable in various scientific and industrial sectors. Their ability to control particle size, shape, and surface traits allows them to be effectively utilized in catalysis, drug delivery, biosensing, and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 696–704 Read article
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Crystal Engineering Strategies for Tailoring Mechanical Properties of Structural Materials
Abstract: Crystal engineering has emerged as a promising approach for designing materials with tailored mechanical properties, enabling advancements in various fields such as aerospace, automotive, and construction. This review examines the diverse strategies employed in crystal engineering to manipulate the mechanical behavior of structural materials. One key strategy involves controlling the crystal structure at the atomic level through techniques such as alloying, doping, and phase transformations. Alloying introduces foreign atoms into …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 1, 2024 · pp. 01–06 Read article
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Impact of Shape, Size and Crystal Structure on Vacancy Related Properties of Gold Nanoparticles
Abstract: It is necessary to consider defects to explain the electron movement, thermal transport and mechanical properties of materials. In the present study, a simple quantitative model for cohesive energy of nanoparticles is extended to determine the size, shape and crystal structure effect on vacancy formation energy, vacancy entropy, and vibrational frequency in free surface Au nanoparticles. Vacancy entropy variation with size has been studied for spherical, regular octahedral, regular hexahedral …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 223–229 Read article
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Semiconductor Nanostructures and Ferrocene; Pillars of Bioelectronics and Biomedicine
Abstract: The semiconductor nanostructures are studied due to their fascinating new property in the perspective of nanotechnology. The properties of semiconductor structures can be altered by external rheological conditions. This article presents an overview of semiconductor nanostructures and their properties, such as electrical, magnetic, and optical properties of semiconductors. Moreover, it presents an intuitive description of a variety of semiconductor nanostructures and ferrocene. The quests for medical and electronic applications of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 1, 2025 · pp. 47–54 Read article
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Effect of PMMA Micropillars on the Surface-Driven Capillary Flow of Dyed Aqueous Ethanol in PMMA Microchannels
Abstract: In this work, dyed aqueous ethanol (60% ethanol, 40% dyed water) is prepared as the working liquid. The effect of surface modification on the microfluidic flow of aqueous ethanol is studied in the polymethylmethacrylate (PMMA) devices. The effect of surface area to volume ratio on microfluidic flow of aqueous ethanol is also studied. The effect of microfluidic friction on microfluidic flow of aqueous ethanol is also studied. This work will …
Published in Journal of Catalyst & Catalysis · Vol. 5, Issue 2, 2018 · pp. 1–4 Read article
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Effect of PMMA Micropillars on the Surface-Driven Capillary Flow of Dyed Aqueous Isopropyl Alcohol in PMMA Microfluidic Devices
Abstract: In this work, dyed aqueous isopropyl alcohol [60% isopropyl alcohol (IPA), 40% dyed water] is prepared as the working liquid. The effect of surface modification on the microfluidic flow of aqueous isopropyl alcohol (IPA) is studied in the polymethylmethacrylate (PMMA) microfluidic devices. The effect of surface area to volume ratio on microfluidic flow of aqueous isopropyl alcohol is also studied. The effect of microfluidic friction on microfluidic flow of aqueous …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 44–47 Read article
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Short Review on the Materials for Microfluidics with the Experiments to Record the Surface-Driven Capillary Flow of Dyed Water in Fabricated Microfluidic Device for Bioengineering Applications
Abstract: In this review, dominant features of suitable materials for the fabrication of microfluidic devices are briefly mentioned. Surface modification techniques are useful to vary the flow-speed in microfluidic devices. Surface modification techniques are dependent on the choice of device materials. In this present paper, a single polymeric microfluidic device as sudden expansion microchannel is fabricated by author using maskless lithography, hot embossing lithography and direct bonding technique. Also, the surface-driven …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 3, 2020 · pp. 1–4 Read article
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Unification and DC Conductivity of PDMS/NiNPs Nanocomposite
Abstract: The DC conductivity of nickel nanoparticles–polydimethylsiloxane (NiNPs–PDMS) composite materials has attracted considerable attention due to their promising applications in flexible electronics, sensors, and energy storage devices. The electrical performance of these composites is largely governed by the formation of conductive networks within the insulating polymer matrix. Incorporating nickel nanoparticles into PDMS introduces conductive pathways that significantly enhance DC conductivity once a critical percolation threshold is reached.Several key factors influence the …
Published in Research & Reviews : Journal of Physics · Vol. 15, Issue 1, 2026 · pp. 28–37 Read article
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A review on Advanced Materials for Sustainable Innovation and Innovative Applications in Chemical Engineering
Abstract: High level materials assume a vital part in driving feasible mechanical headways across different enterprises. This comprehensive review paper aims to provide an in-depth analysis of the properties, synthesis methods, and potential applications of advanced materials, focusing particularly on nanomaterials, biomaterials, and smart materials. These materials exhibit unique characteristics that render them indispensable for a wide array of applications, spanning energy storage, environmental remediation, healthcare, and electronics. Nanomaterials, characterized by …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 · pp. 59–79 Read article