Table 1 Summary data table comparing standard versus miniaturized microPADs. Miniaturized microPADs displayed a significant reduction in all characteristics except cross-sectional width.

From: Fabrication of Miniaturized Paper-Based Microfluidic Devices (MicroPADs)

Characteristic Replicates Standard MicroPAD Miniaturized MicroPAD % Change
Surface Area (cm2) 50 20.25 4.41 ± 0.11 −78.3%
Linear Dimension (cm) 50 4.50 2.10 ± 0.03 −53.3%
Cross-Sectional Height (µm) 1 188 500 166.0%
Minimum Hydrophilic Channel (µm) 14 585 ± 54 301 ± 42 −48.5%
Minimum Hydrophobic Barrier (µm) 10 550 ± 37 387 ± 21 −29.6%
Average Wicking Velocity (mm/s) 11 0.480 ± 0.076 0.235 ± 0.017 −51.0%
Minimum Volume (µL) 10 8.0 ± 1.2 2.0 ± 0.2 −75.0%
  1. Values are given as the mean of all replicate measurements, +/− one standard deviation of the mean.