ArticleSensors (Basel, Switzerland)2015
Highly stable liquid metal-based pressure sensor integrated with a microfluidic channel.
Article in Sensors (Basel, Switzerland), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Multichannel soft microfluidic force sensors: design, characterization, and application in laparoscopy.Microsystems & nanoengineering · 2026Article
- Embedded Hybrid-Dimensional Heterointerface for Filament Modulation in 2D Material-Based Artificial Nociceptor.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Microfluidic techniques for mechanical measurements of biological samples.Biophysics reviews · 2023Review
- Microfluidic Systems for Blood and Blood Cell Characterization.Biosensors · 2022Review
- Fluidic enabled bioelectronic implants: opportunities and challenges.Journal of materials chemistry. B · 2022Review
- Liquid Metal-Based Flexible and Wearable Sensor for Functional Human-Machine Interface.Micromachines · 2022Article
- Piezoresistive Conductive Microfluidic Membranes for Low-Cost On-Chip Pressure and Flow Sensing.Sensors (Basel, Switzerland) · 2022Article
- Wearable Intracranial Pressure Monitoring Sensor for Infants.Biosensors · 2021Article
- An Easy Method for Pressure Measurement in Microchannels Using Trapped Air Compression in a One-End-Sealed Capillary.Micromachines · 2020Article
- Advances in Liquid Metal-Enabled Flexible and Wearable Sensors.Micromachines · 2020Review
- Flexible Microfluidics: Fundamentals, Recent Developments, and Applications.Micromachines · 2019Review
- Soft and Deformable Sensors Based on Liquid Metals.Sensors (Basel, Switzerland) · 2019Review
- On-Channel Integrated Optofluidic Pressure Sensor with Optically Boosted Sensitivity.Sensors (Basel, Switzerland) · 2019Article
- A Handy Flexible Micro-Thermocouple Using Low-Melting-Point Metal Alloys.Sensors (Basel, Switzerland) · 2019Article
- Thin and Flexible Carbon Nanotube-Based Pressure Sensors with Ultrawide Sensing Range.ACS sensors · 2018Article
- Liquid Metal Enabled Electrobiology: A New Frontier to Tackle Disease Challenges.Micromachines · 2018Review
- Liquid-Metal Enabled Droplet Circuits.Micromachines · 2018Article
- Advances in Materials for Recent Low-Profile Implantable Bioelectronics.Materials (Basel, Switzerland) · 2018Review
- A Liquid-Metal Based Spiral Magnetohydrodynamic Micropump.Micromachines · 2017Article
- Development of Wearable Sheet-Type Shear Force Sensor and Measurement System that is Insusceptible to Temperature and Pressure.Sensors (Basel, Switzerland) · 2017Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pressure measurement is considered one of the key parameters in microfluidic systems. It has been widely used in various fields, such as in biology and biomedical fields. The electrical measurement method is the most widely investigated; however, it is unsuitable for microfluidic systems because of a complicated fabrication process and difficult integration. Moreover, it is generally damaged by large deflection. This paper proposes a thin-film-based pressure sensor that is free from these limitations, using a liquid metal called galinstan. The proposed pressure sensor is easily integrated into a microfluidic system using soft lithography because galinstan exists in a liquid phase at room temperature. We investigated the characteristics of the proposed pressure sensor by calibrating for a pressure range from 0 to 230 kPa (R2 > 0.98) using deionized water. Furthermore, the viscosity of various fluid samples was measured for a shear-rate range of 30-1000 s(-1). The results of Newtonian and non-Newtonian fluids were evaluated using a commercial viscometer and normalized difference was found to be less than 5.1% and 7.0%, respectively. The galinstan-based pressure sensor can be used in various microfluidic systems for long-term monitoring with high linearity, repeatability, and long-term stability.
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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.