Continuous microfluidic dilatometry for physical activity monitoring with ultrahigh sensitivity
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United States of America Patent
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Issued Date -
Nov 23, 2023
app pub date -
Jul 21, 2023
filing date -
Oct 12, 2019
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Continuous microfluidic dilatometry devices and methods are provided for activity monitoring with ultra-high sensitivity. Corner flow in capillary channels is used to detect the resistance change in microfluidic circuits filled with ionic 5 liquids. The conversion of mechanical input (e.g. strain) to an intermediary domain, namely liquid displacement, allows a large enhancement in sensor performance. Embodiments are suitable for tracking skin deformations that occur as a result of human movements.
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