Biomedical Engineering Reference
In-Depth Information
90
80
70
60
50
40
30
20
PDADMAC/PSS, 30 k/80 k
PDADMAC/PSS, >500 k/1 ,000 k
10
0
202468 0 2 4 6
Number of layers
Figure5.13 Theadvancingcontactangleasafunctionofthenumberoflayersonindividual
fibrestreatedwithhighmolecularmassPDADMAC/PSSandlowmolecularmassPDADMAC/
PSS. The adsorption was carried out with a background electrolyte concentration of 0.1M
NaClwithout furtheradjustmentofpH(pH5.5-6).Datafrom(29,35).
120
110
100
90
80
70
60
50
40
PEO/PAA
PAH/PDOT:PSS
PAH/CMC
30
20
10
0
2
4
6
8
10
Number of layers
Figure5.14 Theadvancingcontactangleasafunctionofthenumberoflayersonanindivid-
ualfibrestreatedwithPEO/PAA,PAH/PDOT:PSSandPAH/CMCrespectively.PAH/PDOT:PSS
andPAH/CMCwerebothadsorbedusingthepH7.5/3.5strategy. PEO/PAAwasadsorbedat
pH2.2withafirst layerofPAHadsorbedatpH7.Theexperimentwasconductedat0.01M
NaCl.Datafrom(36,41,46).
Search WWH ::




Custom Search