Chemistry Reference
In-Depth Information
1.0
0.8
0.6
0.4
0.2
0.0
5
6
7
8
9
log M
Figure 8 Comparison of experimental data (open squares) and predictions from the
model described in Equation (6) shown as adsorbed ratio plotted against the
logarithm of the molar mass
(Redrawn from Ref. 25).
Figure 9 Schematic illustration of an adsorbed layer of macromolecules closely resem-
bling Apollonian packing (left) and the layer obtained from the ARSA model,
where the macromolecules are treated as deformable droplets with a constant
volume (right)
(Redrawn from Ref. 33).
treated as deformable 'droplets' with a constant volume. Late arriving molecules
thus become elongated to stick to the remaining adsorption sites, which results
in very thick layers (referred to by the authors
33
as a matted carpet) and
correspondingly high surface loads, as illustrated in Figure 9.
30.4.2 Affinity-Controlled Adsorption
Adsorption of the water-soluble plasma proteins exhibits a pronounced selec-
tivity with a preference for YGP40 (protein 5) and serum albumin (protein 3).
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