TY  - JOUR
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-85185542062&doi=10.1088%2f1361-6439%2fad2305&partnerID=40&md5=7f9b2a7b6735c4233a2a633674127263
AV  - none
N2  - This work presents the design and fabrication of a wearable microfluidic patch-based system for sweat collection with a calorimetric flow rate sensor based on heat convection for measuring sweat rate (SR). The effects were predicted using a 3D multi-physics simulator and were verified on a fabricated patch made of polyimide layers. The sensor can detect surface temperature gradients of 302-312 K caused by fluid flowing thru the microfluidic channels at a rate of 0.5-23 µg sâ??1 that fall within the physiological range of SR. Meanwhile, the relation between flow rate and temperature gradient is highly linear (Pearson r2 = 0.999) and repeatable. This work also demonstrates a low-cost method for patterning microfluidic channels on flexible substrates which can be used for mass production of wearable patches. © 2024 IOP Publishing Ltd.
VL  - 34
JF  - Journal of Micromechanics and Microengineering
N1  - cited By 0
KW  - Calorimetry; Flow rate; Fluidic devices; Heat convection; Substrates; Thermal gradients; Wearable sensors
KW  -  Calorimetric flow rate sensor; Channel modelling; Flow rate sensors; Microfluidic channel modeling; Microfluidics channels; Rate sensing; Real- time; Sweat rate sensing; Sweat rates; Wearable devices
KW  -  Microfluidics
IS  - 3
TI  - Wearable microfluidic sweat collection platform with a calorimetric flow rate sensor for realtime and long-term sweat rate measurements
ID  - scholars19844
A1  - Silverio, A.A.
A1  - Ho, E.T.W.
A1  - Ang, J.
A1  - Esguerra, K.
Y1  - 2024///
ER  -