Table 1.

The α, β, k₁ and k₋₁ values used in the fitting of the first 5 min of HSA adsorption at the pl, p2 and p3 positions^a (see Fig. 2) to the model described by Eq. (2)

Parameter	θadv, position
	75°, p1	54°, p2	50°, p3	75°, p1	54°, p2	50°, p3
α	2	0	2	0	0	0
β	0	0	0	0	0	0
k1 (cm3 µg−1 s−1)	>2.0 × 10−2	7 × 10−3	7 × 10−3	2.4 × 10−3	2.4 × 10−4	1.9 × 10−3
k−1 (s−1)	5.1 × 10−4	4.6 × 10−4	8.2 × 10−4	1.71 × 10−3	1.55 × 10−3	1.40 × 10−3
k1/k−1b (M−1)	>2.59 × 109	1.00 × 109	5.63 × 108	9.26 × 107	1.02 × 108	8.96 × 107
ln 2/k−1c (min)	22.7	25.1	14.1	6.8	7.5	8.3
Ionic strength (M)	0.165	0.165	0.165	0.025	0.025	0.025
Θ/Θmax(C18)d	0.54	0.30	0.26	0.54	0.30	0.26
Γmax(FITC-HSA)e (µg cm−2)	0.288	0.192	0.146	0.267	0.198	0.163

^aThe water contact angles were θ_adv = 75° and θ_rec = 55° for position p1, θ_adv = 54° and θ_rec = 39° for position p2, and θ_adv = 50° and θ_rec = 35° for position p3.

^bApparent affinity constant.

^cDesorption half-lifetime.

^dC18 surface coverage calculated by the Cassie equation (Eq. (1)) from the respective θ_adv values.

^eAdsorption saturation of HSA.