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52 articles for “PMMA surface”
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Optimisation of the Experimental Methods for the Fabrication of Polymer Microstructures and Polymer Microfluidic Devices for Bioengineering Applications
Abstract: In this research paper, total 2278 individual polymer microstructures have been fabricated, measured and analyzed. Also, in this research paper, total 216 individual polymer microfluidic devices have been fabricated by the maskless lithography, hot embossing lithography, direct bonding technique, and indirect bonding technique, to record and analyze the surface-driven (passive) capillary flow individually in each microfluidic device. Total three individual polymers as SU8, polymethylmethacrylate (PMMA), and polyimide have been used …
Published in Journal of Polymer & Composites · Vol. 4, Issue 3, 2016 · pp. 8–26 Read article
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Short Review on the Integration between Nanofluidics and Nanoelectromechanical Systems with an Experimental Demonstration on Microfluidics
Abstract: In this short review, a brief idea is provided about the integration between nanofluidics and Nanoelectromechanical systems. Establishments of nanofluidic features are necessary to fabricate the fluidic microelectromechanical systems (MEMS) and fluidic Nanoelectromechanical systems (NEMS). Also, an experimental demonstration is provided on microfluidic flow phenomenon after fabrication of polymethylmethacrylate (PMMA) based microchannel bend. Dyed ethylene glycol is prepared as working liquid. Effect of centrifugal force on surface-driven microfluidic flow of …
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 3, 2020 · pp. 25–28 Read article
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Passive Capillary Flow of Aqueous Microparticle Suspensions in the Sudden Expansion PMMA Microchannels
Abstract: AbstractAuthor has fabricated a set of sudden expansions micro channels in the polymethylmethacrylate (PMMA) microfluidic devices by the maskless lithography, hot embossing lithography, drilling, air dielectric barrier discharge (DBD) plasma processing, direct bonding technique and chip separation technique. The surface-driven capillary flow of dyed water and three individual aqueous microparticle suspensions are studied with respect to the effects of channel aspect ratio, effective viscosity and surface wettability. The number densities …
Published in Trends in Opto-electro & Optical Communication · Vol. 7, Issue 1, 2017 · pp. 13–17 Read article
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Nano-zirconia in current scenario
Abstract: This article is a study of nano-element form from various composites. Increase in surface area sensitive to medium under exposure has recalled trade specific issues to prevent usual use, to perform as a nano-culture subject. Thin-in-section has equivalently similar performance compared to those options which had rated from thicker constitutive. Synthetic methods to obtain nano-ZrO2 have been protocolized from sol-gel, co-precipitation, precipitation reversion, hydrothermal, microwave irradiation, thermal decomposition, and sonochemical. …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 1, 2021 · pp. 1–7 Read article
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Report on Microfluidic Flow of Dyed Working Liquids inside the Polymeric Devices
Abstract: In this experimental work, a single SU-8 based glass microfluidic device is engineered by the maskless lithography and indirect bonding technique. Also, total nine individual polymethylmethacrylate (PMMA) based microfluidic devices are fabricated by maskless lithography, hot embossing lithography, and direct bonding technique. Dyed ethylene glycol, dyed ethanol, and dyed aqueous isopropyl alcohol (50% water, 50% IPA) are prepared and used as working liquids to record each surface-driven microfluidic flow. The …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 22–29 Read article
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Short Report on Polymer Based Automated Fluid Machines for Applications in Microfluidics
Abstract: In this experimental work, a couple of gradual expansion microchannels are fabricated by polymethylmethacrylate (PMMA) using the maskless lithography, hot embossing lithography and direct bonding technique. Dyed ethylene glycol and dyed water are the prepared working liquids. The CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record each surface-driven microfluidic flow of dyed ethylene glycol and dyed water in the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 2, 2021 · pp. 23–28 Read article
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Short Experimental Report with Brief Review on Biomicrofluidics in Biotechnology
Abstract: In this experimental work, a single prototype microchannel bend is fabricated by maskless lithography, hot embossing lithography and direct bonding technique. The surface-driven microfluidic flow of dyed water is recorded in the fabricated prototype bend. A brief review on bio-microfluidics is provided in this short experimental report towards the applications in biotechnology. Polymethylmethacrylate (PMMA) is an efficient polymer to fabricate the microfluidic lab-on-a-chip systems. This short experimental report may be …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 3, 2020 · pp. 1–4 Read article
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Short Report on the Microfluidic Flow in Gradual Expansion Microchannel Fabricated by Nano-imprint Lithography towards the Probable Applications in Nanofluidics
Abstract: In this experimental work, a single gradual expansion microchannel is fabricated by polymethylmethacrylate (PMMA) using the maskless lithography, nano-imprint lithography and direct bonding technique. In this research paper, examples of contact lithography and non-contact lithography are mentioned. Dyed ethanol is prepared as working liquid. Surface-driven capillary flow of dyed ethanol is recorded by a CMOS camera. This work is a real-life demonstration of microfluidic flow after the fabrication of microchannel …
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 3, 2020 · pp. 12–15 Read article
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Nano-Scale Coating to Demonstrate the Capillary Motion of Dyed Water in a Single PMMA Microfluidic Device towards the Probable Fabrication of nanofluidic Engine-on-a-Chip
Abstract: A single microfluidic device is fabricated by polymethylmethacrylate (PMMA) using the maskless lithography, hot embossing lithography, nano-coating of diamond-like carbon (DLC), and direct bonding technique. 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 dyed water. A comparison is made between the experimental results and analytical solution to determine the diffusion coefficient in this …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 22, Issue 3, 2020 · pp. 12–15 Read article
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Report on the Separation Efficiency with Separation Time in the Microfluidic Lab-on-a-Chip Systems Fabricated by Polymers in this 21st Century of 3rd Millennium
Abstract: In this report, author has fabricated total 1157 individual microfluidic devices including many microfluidic lab-on-a-chip systems by the maskless lithography, hot embossing lithography, direct bonding technique, clamping, and surface modification techniques, by his own handson completely. Author has used total 30 individual electrical and non-electrical instruments (including the cleanroom equipment) to perform all experiments of this report by his own hands-on completely. Many microfluidic flow phenomena have been experimentally investigated …
Published in Journal of Experimental & Applied Mechanics · Vol. 7, Issue 3, 2016 · pp. 20–37 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 · pp. 36–41 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