Table 1

Extraction volumes (μl/min) and IF concentrations, relative to those in plasma (%) of the six plasma proteins (means ± SD) using two different extraction pressures.


0 h
24 h
48 h
72 h
96 h

Volume (μL/min)





50 mmHg
0,5 ± 0,5
1,0 ± 0,1
0,9 ± 0,1
1,8 ± 0,5
1,1 ± 0,4
200 mmHg
1,4 ± 0,2
1,9 ± 0,2
1,9 ± 0,4
2,6 ± 1,0
1,8 ± 0,5
Insulin (%)





50 mmHg
45 ± 18
76 ± 27
55 ± 28
67 ± 36
69 ± 43
200 mmHg
65 ± 36
71 ± 24
66 ± 39
83 ± 38
68 ± 26
Prealbumin (%)





50 mmHg
37 ± 15
64 ± 29
57 ± 22
61 ± 24
56 ± 18
200 mmHg
25 ± 13
50 ± 24
50 ± 15
78 ± 36
66 ± 19
Albumin (%)





50 mmHg
59 ± 14
82 ± 14
74 ± 15
79 ± 15
84 ± 16
200 mmHg
48 ± 12
68 ± 21
66 ± 16
74 ± 15
75 ± 16
Transferrin (%)





50 mmHg
43 ± 19
69 ± 22
57 ± 21
60 ± 18
63 ± 29
200 mmHg
31 ± 19
47 ± 25
42 ± 14
63 ± 22
49 ± 16
IgG (%)





50 mmHg
47 ± 19
66 ± 17
62 ± 28
55 ± 16
64 ± 28
200 mmHg
31 ± 15
55 ± 30
45 ± 19
63 ± 20
55 ± 21
Alpha-2-macroglobulin (%)





50 mmHg
45 ± 18
29 ± 29
28 ± 19
20 ± 8
24 ± 15
200 mmHg
20 ± 10
17 ± 9
15 ± 4
21 ± 9
21 ± 10

Svedman et al. BMC Dermatology 2002 2:4   doi:10.1186/1471-5945-2-4