Table 1.

Description and source of variables as inputs for Comsol simulation

Variable	Description	Value	Source
Q	Volumetric Flow Rate	0.025 ml/min, 0.04 ml/min and 0.08 ml/min	Experimental setting
DAB	IL-8 diffusion coefficient	2.59×10−10 m2/s	(Butcher et al., 1999; Moghe et al., 1995)
C0	IL-8 secreted by a melanoma cell	1.52×10−4 mol/m3	(Peng et al., 2007)
a	Distance from the center of channel to the wall	63.5 μm	Parallel plate chamber geometry
ρ	Density of fluid	1.0 ×103 kg/m3	Known constant
u	Melanoma cell velocity	9.046×10−5 m/s, 1.447×10−4 m/s and 2.894×10−4 m/s	Calculated
μ	Viscosity	1.0 cP, 2.0 cP and 3.2 cP	Experimental setting