Results 11 to 20 of about 21,797 (243)
A smog chamber comparison of a microfluidic derivatisation measurement of gas-phase glyoxal and methylglyoxal with other analytical techniques [PDF]
Atmospheric Measurement Techniques, 2014 A microfluidic lab-on-a-chip derivatisation technique has been developed to measure part per billion (ppbV) mixing ratios of gaseous glyoxal (GLY) and methylglyoxal (MGLY), and the method is compared with other techniques in a smog chamber experiment ...
X. Pang +12 more
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Microfluidic Techniques for Analytes Concentration [PDF]
Micromachines, 2017 Microfluidics has been undergoing fast development in the past two decades due to its promising applications in biotechnology, medicine, and chemistry. Towards these applications, enhancing concentration sensitivity and detection resolution are indispensable to meet the detection limits because of the dilute sample concentrations, ultra-small sample ...
Zhao, Cunlu, Ge, Zhengwei, Yang, Chun
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Thermal Measurement Techniques in Analytical Microfluidic Devices [PDF]
Journal of Visualized Experiments, 2015 Thermal measurement techniques have been used for many applications such as thermal characterization of materials and chemical reaction detection. Micromachining techniques allow reduction of the thermal mass of fabricated structures and introduce the possibility to perform high sensitivity thermal measurements in the micro-scale and nano-scale devices.
Benyamin, Davaji, Chung Hoon, Lee
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Journal of Chromatography A, 2023 Digital light processing (DLP) 3D printing is rapidly advancing and has emerged as a powerful additive manufacturing approach to fabricate analytical microdevices. DLP 3D-printing utilizes a digital micromirror device to direct the projected light and photopolymerize a liquid resin, in a layer-by-layer approach.
Ali Amini +4 more
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Analytica Chimica Acta, 2020 Droplet-based microfluidics has emerged as a powerful platform for high-throughput and low-volume analysis and screening. At present, droplet-based microfluidics is transitioning from the proof-of-concept stage to real-world applications. During this process, analytical detection techniques play indispensable roles for successfully implementing droplet-
Wen-Wen, Liu, Ying, Zhu
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A microfluidic technique for monitoring bloodstream analytes indicative of C-peptide resistance in type 2 diabetes [PDF]
The Analyst, 2009 A simple poly(dimethylsiloxane) (PDMS) microchip was employed to establish a relationship between red blood cell (RBC) antioxidant status and the ability of RBCs to interact with metal-activated C-peptide, a bio-active peptide reported to reduce some complications often associated with diabetes.
Teresa D'Amico, Oblak +2 more
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Recent Advances in Paper-Based Sensors
Sensors, 2012 Paper-based sensors are a new alternative technology for fabricating simple, low-cost, portable and disposable analytical devices for many application areas including clinical diagnosis, food quality control and environmental monitoring.
Edith Chow +3 more
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Visual quantification of Hg on a microfluidic paper-based analytical device using distance-based detection technique [PDF]
AIP Advances, 2017 We presented a distance-based detection method for visual quantification of mercury ions on a microfluidic paper-based analytical device (μPAD). Dithizone in NaOH solution was used as chromogenic reagent and deposited onto paper channel delimited by hydrophobic wax barrier.
Longfei Cai +6 more
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Integrated Microprisms Matrix for Coupling a Laser Beam in Microfluidic Systems
Proceedings, 2018 It is still a challenge to integrate the optoelectronic technology in microfluidic analytical systems, due to the complex alignment of the optical components within the microchip, or expensive and complicated methods of their fabrication.
Aleksandra Pokrzywnicka, Rafał Walczak
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Closable Valves and Channels for Polymeric Microfluidic Devices
Micromachines, 2020 This study explores three unique approaches for closing valves and channels within microfluidic systems, specifically multilayer, centrifugally driven polymeric devices. Precise control over the cessation of liquid movement is achieved through either the
Charles P. Clark +5 more
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