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9 articles for “microchannel bend”
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Short Review on Nanofluidics with the Experimental Demonstration on Microfluidic Capillary Flow inside Microchannel Bends
Abstract: In this research work, author has presented a short review on nanofluidics. Total three individual microchannel bends as microfluidic devices are designed, fabricated and tested in this experimental work using author’s own hands-on completely. Polymethylmethacrylate (PMMA) is the selected polymeric material to fabricate these microfluidic devices. Dyed water is prepared as working liquid to test these microfluidic devices. According to this experimental study, the surface-driven microfluidic flow of dyed water …
Published in International Journal of Applied Nanotechnology · Vol. 6, Issue 1, 2020 · pp. 16–22 Read article
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Surface-Driven Capillary Flow of Dyed Ethanol in a Single SU-8 based Microchannel Bend Fabricated on Glass
Abstract: In this experimental work, a single SU-8 based microchannel bend is fabricated on glass by maskless lithography and indirect bonding technique. Dyed ethanol is prepared as working liquid by mixing commercially available food dye with ethanol. Surface-driven capillary flow of dyed ethanol in streamline motion is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. Effect of centrifugal force on surface-driven …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 1, 2020 · pp. 29–34 Read article
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Dielectric Barrier Discharge Plasma Processing on Pristine PMMA Surfaces for Microfluidic Applications towards Applied Nanotechnology
Abstract: In this experimental work, a total of six individual microchannel bends as microfluidic devices are fabricated by maskless lithography, hot embossing lithography and direct bonding technique using polymethylmethacrylate (PMMA). Air dielectric barrier discharge (DBD) plasma processing is the selected surface modification technique in this particular experimental work. Dyed aqueous ethanol (10% ethanol, 90% dyed water) is the prepared working liquid to study the microfluidic flow characteristics. Effect of channel aspect …
Published in International Journal of Composite and Constituent Materials · Vol. 6, Issue 1, 2020 · pp. 1–7 Read article
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Short Report on the Polymer based Microfluidic Device Fabricated by Lithographic Techniques
Abstract: In this experimental work, a single microfluidic device is fabricated by maskless lithography, hot embossing lithography and direct bonding technique inside the cleanroom laboratory. Microchannel bend is the selected design to fabricate the microfluidic device. Dyed ethanol is selected and prepared as working liquid. The surface-driven capillary flow of dyed ethanol is recorded in the fabricated microchannel bend using a CMOS camera inside the materials-science laboratory. Effect of centrifugal force …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 17–20 Read article
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Passive Capillary Flow of Dyed Ethanol for Nanofluidics
Abstract: In this experimental work, a single polymethylmethacrylate (PMMA) microchannel bend as microfluidic device is fabricated by maskless lithography, hot embossing lithography and direct bonding technique. Dyed ethanol is prepared and used as working liquid in this work. A CMOS camera is used to capture the surface-driven capillary flow of dyed ethanol in the fabricated PMMA microchannel bend. In future, this experimental work may be useful to establish the nanofluidic flow …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 1, 2021 · pp. 18–23 Read article
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Experimental Demonstration on the Recording of Capillary-Filled Microfluidic Devices Fabricated by Polymeric Material
Abstract: In this present experimental work, total 52 individual PMMA microfluidic devices are fabricated by maskless lithography, hot embossing lithography and direct bonding technique in a cleanroom laboratory. The selected working liquids are dyed water, dyed aqueous ethanol and dyed aqueous isopropyl alcohol and are prepared in a materials-science laboratory. Fabricated microfluidic devices are tested by the prepared aqueous working liquids, and each capillary-filled device after the surface-driven microfluidic flow is …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 2, 2019 · pp. 31–41 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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Short Experimental Report on the Passive Microfluidic Flow in Fluid Mechanics
Abstract: In this work related to experiments, two individual polymethylmethacrylate (PMMA) based microfluidic devices (microchannel bends) are fabricated by the following techniques: (a) maskless lithography, (b) hot embossing lithography, and (c) direct bonding technique. Dyed water is chosen as working liquid in this particular work. The CMOS camera is used to capture each passive microfluidic flow of dyed water in the fabricated devices. The effects of channel aspect ratio and centrifugal …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 2, 2021 · pp. 32–37 Read article
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Experimental Studies on the Surface-Driven Capillary Flow of Water in Pristine and Processed Microfluidic Devices Fabricated by PMMA
Abstract: In this work, air dielectric barrier discharge (DBD) plasma processing on pristine polymethylmethacrylate (PMMA) flat surface is the chosen surface modification technique to vary the surface wettability creating a difference in microfluidic speed of dyed water. Straight microchannel of uniform width, microchannel with integrated micropillars on bottom wall, and microchannel bend are the proposed designs of PMMA microfluidic devices in this work. Each microfluidic flow of dyed water is recorded …
Published in International Journal of Chemical Engineering and Processing · Vol. 4, Issue 1, 2018 · pp. 33–38 Read article