ArticleMicromachines2018
Design and Fabrication of a Microfluidic Viscometer Based on Electrofluidic Circuits.
Article in Micromachines, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Fluid Viscosity Measurement by Means of Secondary Flow in a Curved Channel.Micromachines · 2022Article
- A Review of Microfluidic Devices for Rheological Characterisation.Micromachines · 2022Review
- Visualization and Measurements of Blood Cells Flowing in Microfluidic Systems and Blood Rheology: A Personalized Medicine Perspective.Journal of personalized medicine · 2020Review
- Microfluidic Viscometer Using a Suspending Micromembrane for Measurement of Biosamples.Micromachines · 2020Article
- Innovative Strain Sensing for Detection of Exterior Wall Tile Lesion: Smart Skin Sensory System.Materials (Basel, Switzerland) · 2018Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
This paper reports a microfluidic viscometer based on electrofluidic circuits for measuring viscosities of liquid samples. The developed micro-device consists of a polydimethylsiloxane (PDMS) layer for electrofluidic circuits, a thin PDMS membrane, another PDMS layer for sample pretreatment, and a glass substrate. As the sample flows inside the microfluidic channel, its viscosity causes flow resistance and a pressure drop along this channel. This pressure drop, in turn, generates a hydraulic pressure which deforms the PDMS membrane, causing changes in the cross-sectional area and the electrical resistance of the electrofluidic resistor. This small resistance change is then measured via the electrofluidic Wheatstone bridge to relate the measured voltage difference to the fluidic viscosity. The performance of this viscometer was first tested by flowing nitrogen gas with controllable pressures into the device. The relationship between measured voltage difference and input gas pressure was analyzed to be linear in the pressure range of 0⁻15 psi. Another test using pure water indicated good linearity between measured voltage difference and flow rate in the rate range of 20⁻100 μL/min. Viscosities of glycerol/water solutions with volume/volume (
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.