Microfluidic Delay
180 s
Capillary Transit Lag
Peak Electrode Current
420.5 nA
Chronoamperometric Output
Signal-to-Noise Ratio
18.4 dB
Noise Floor Rejection
Reconstructed Accuracy
94.2 %
vs Ground Truth Analyte
Microchannel Transit Model
Physics & Biochemical Principles
Fick's Diffusion Law: Microfluidic transport delay $\tau = \frac{V_c}{Q_s} + \frac{d^2}{2D}$ depends directly on sweat secretion rate ($Q_s$) and channel depth ($d$).
Michaelis-Menten Kinetics: Sensor current $I \propto \frac{V_{max} [S]}{K_m + [S]}$ models enzyme saturation limits at high analyte levels.
Motion Artifact Rejection: High-frequency impedance fluctuations caused by finger motion are filtered using adaptive state space estimation.