Dr Alexander J Aranyosi | Epicore Biosystems: Can we track sweat rate and salt loss in real-time using passive microfluidic patches?
00:03:11.395 - 00:04:07.665
Other snippets from this talk
Summary of the clip:
Can we track sweat rate and salt loss in real-time using passive microfluidic patches?
To address the limitations of lab-based sweat diagnostics, researchers developed a wearable microfluidic system that captures and analyzes sweat directly on the skin. Spun out of the John Rogers Lab at Northwestern University, this technology utilizes capillary forces to channel sweat into tiny, embedded channels.
The system features a microchannel that fills dynamically as the user sweats, coupled with an integrated RFID coil. This wireless interface allows a standard smartphone to scan the patch, triggering software to analyze sweat volume and electrolyte levels.
This breakthrough transitions complex biochemical lab analysis into a soft, flexible, skin-conformable format designed for scalable deployment.
In this short video, you can learn:
* The origin of skin-like wearable microfluidics from the John Rogers Lab
* How passive microfluidic channels capture sweat dynamically on the body
* The role of RFID technology in linking physical sweat capture with digital software diagnostics
đź“‹ **Clip Abstract** This clip showcases the microfluidic patch prototype developed by Epicore Biosystems and Northwestern University. It explains how passive capillary channels and RFID technology work together to measure sweat loss and composition without batteries.
#WearableMicrofluidics, #EpidermalElectronics, #PassiveMicrofluidics, #NFCSensors, #FlexibleElectronics, #BiomedicalWearables
This is a highlight of the presentation:
More Highlights from the same talk.
00:02:04.355 - 00:03:08.245
How radically does hydration and electrolyte loss vary from person to person?
How radically does hydration and electrolyte loss vary from person to person?
Physiological responses to heat stress vary wildly across human populations. Field studies show that during identical activities, sweat output can vary by a factor of twelve, while sodium loss can diverge by a factor of fifteen.
This extreme variance means that generic hydration guidelines are fundamentally inadequate for high-heat environments. Accurate hydration management requires capturing both the volume of fluid lost and the precise electrolyte concentration of the sweat in real-time.
By tracking these personalized sweat signatures, wearable systems can transition from reactive thirst-based drinking to predictive, scientifically backed replenishment strategies.
In this short video, you can learn:
* The massive physiological variance in water and sodium loss between individuals
* Why standard hydration protocols fail under extreme heat conditions
* The critical role of individual sweat profiling in maintaining thermoregulation
đź“‹ **Clip Abstract** This clip highlights the dramatic biological differences in sweat and electrolyte loss among individuals in hot environments. It emphasizes the critical need for personalized, real-time hydration monitoring over generalized hydration guidelines.
#SweatSensing, #ElectrolyteTracking, #MicrofluidicBiosensors, #EpidermalElectronics, #PrintedElectronics, #WearableBiosensors
00:04:06.265 - 00:04:58.535
Why do industrial workers and performance athletes require fundamentally different hydration telemetry?
Why do industrial workers and performance athletes require fundamentally different hydration telemetry?
Translating clinical-grade wearable microfluidics to the mass market requires designing for highly specific user workflows. While athletes and industrial workers both face heat stress, their feedback loops and operational constraints are entirely distinct.
For athletic training, the objective is typically retrospective profiling—monitoring sweat rates during a session to design post-workout rehydration and recovery regimens. The athlete uses this data to optimize future performance and prepare for the next physical exertion.
In contrast, industrial safety requires continuous, real-time active alerts to prevent acute heat stroke or cognitive decline during long shifts, prompting a different architectural approach to device feedback.
In this short video, you can learn:
* The strategic challenges of commercializing academic wearable microfluidics
* The distinct hydration monitoring workflows required by athletes versus industrial workers
* How device feedback mechanisms must adapt to different operational environments
đź“‹ **Clip Abstract** This clip discusses Epicore's strategy for transitioning microfluidic wearables from a lab concept to the commercial market. It outlines how the telemetry and feedback needs of athletic users differ from those of industrial workforces.
#WearableMicrofluidics, #HydrationTelemetry, #SweatSensing, #RealTimeBiosensing, #FlexibleElectronics, #PrintedElectronics