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. Author manuscript; available in PMC: 2015 Jul 15.
Published in final edited form as: Biopharm Drug Dispos. 2012 Sep 4;33(7):378–402. doi: 10.1002/bdd.1803

Table 3.

Best fit PI and estimated ha values from in vitro partitioning experiments

Rotational speed A/V a M T /V a Kap/(9.2 + Kap) PI × 104 (95% CI) ha, full (95% CI)



Exp./Fig No. Drug Apparatus pH rpm cm−1 β μg/ml F o, inf cm/s × 104 μm
3/3(a) Ibuprofen 1 1.5 77 0.42 1.58 × 10−4 16.7 1.00 1.00 23.71 (22.16–25.41) 32 (29–34)
4/3(b) Ibuprofen 1 4.3 77 0.42 2.84 × 10−4 16.7 1.00 1.00 30.06 (29.45–30.68) 25 (24–25)
5/3(c) Ibuprofen 1 4.4 77 0.42 3.17 × 10−4 16.7 1.00 1.00 37.52 (30.30–47.73) 20 (16–25)
6/3(d) Ibuprofen 1 6.3 77 0.42 1.28 × 10−2 16.7 0.99 0.89 30.81 (28.79–33.03) 22 (20–23)
7/4(a) Ibuprofen 2 5.0 75 0.30 9.87 × 10−4 25.0 1.00 0.99 19.08 (18.13–20.10) 39 (37–41)
8/4(b) Ibuprofen 2 6.8 75 0.30 5.00 × 10−2 50.0 0.95 0.73 28.73 (24.64–33.73) 19 (16–22)
9/4(c) Ibuprofen 2 6.8 75 0.30 5.0 × 10−2 25.0 0.95 0.73 26.85 (26.09–27.63) 20 (20–21)
10/4(d) Ibuprofen 2 6.8 40 0.30 5.00 × 10−2 25.0 0.95 0.73 10.92 (10.69–11.17) 50 (49–51)
11/4(e) Ibuprofen 2 7.5 75 0.30 1.44 × 10−1 25.0 0.87 0.49 23.01 (20.07–26.59) 16 (14–18)
12/4(f) Ibuprofen 2 7.5 40 0.30 1.44 × 10−1 25.0 0.87 0.49 9.03 (8.38–9.70) 40 (38–43)
13/4(g) Ibuprofen 3 4.5 50 0.32 3.58 × 10−4 16.0 1.00 1.00 28.72 (25.45–32.65) 26 (23–29)
14/5(a) Piroxicam 2 1.2 75 0.30 1.49 × 10−1 15.0 0.87 0.48 20.85 (16.47–26.73) 15 (12–19)
15/5(b) Piroxicam 2 1.2 75 0.30 1.49 × 10−1 20.0 0.87 0.48 17.06 (16.77–17.36) 19 (18–19)
16/5(c) Piroxicam 2 1.2 75 0.30 1.49 × 10−1 60.0 0.87 0.48 28.04 (24.65–32.12) 11 (10–13)
17/5(d) Piroxicam 2 7.5 40 0.30 2.53 20.0 0.28 0.05 1.64 (1.48-1.80) 21 (19–23)
18/5(e) Piroxicam 2 7.5 75 0.30 2.53 20.0 0.28 0.05 6.15 (5.87–6.44) 6 (5–6)
19/5(f) Piroxicam 2 7.5 75 0.30 2.53 60.0 0.28 0.05 1.78 (1.75–1.81) 19 (19–20)
20/5(g) Nimesulide 2 7.5 75 0.30 8.99 × 10−2 49.0 0.92 0.60 10.71 (9.80–11.71) 39 (36–43)
21/6(a) Piroxicam Grassi 1.2 Unknown 0.23 0.357 15.2 0.74 0.48 265.4 (257.7–273.5) 12 (12–12)
22/6(b) Piroxicam Grassi 7.5 Unknown 0.23 6.07 21.8 0.14 0.05 3.41 (3.35–3.46) 10 (10–10)
23/6(c) Nimesulide Grassi 1.2 Unknown 0.23 3.59 × 10−2 8.5 0.97 0.90 22.98 (22.71–23.25) 27 (27–28)
24/6(d) Nimesulide Grassi 7.5 Unknown 0.23 2.16 × 10−1 45.0 0.82 0.60 11.80 (11.60–12.01) 36 (35–36)