Biomedical Engineering Reference
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Figure 3. ESEM images of SC enriched phase W- SC(1.6 wt%)-SA(0.29 wt%)-DSS system in the
presence of 0.5% particles. (a,c) - sulfate latex particles with a diameters 0.91 um and 5.0 um
correspondingly; carboxylate modified sulfonate latex with a diameter 3 um (b), and 3.0 um aliphatic
amino latex (d,e). q=0.14.
ESEM images of W-SC (1.6 wt%)-SA (0.29 wt%) system in the presence of
3.0 um aliphatic amino latex with a diameter 3 um (f,g).
The particles having the size 3 um and containing positively charged amino groups are
also perfectly incorporated inside the network (Figure 3 d). Microphotography of SC enriched
phase containing these particles shows formation of two types of structure inside the particles
in the process of their interaction with SC enriched phase. The first type contains the
structural elements which oriented from center to periphery. Note, that the structure of the
particles qualitatively is the same as before incorporation in the biopolymer mixture.
However, higher orientation of the second type of structural elements in the SC enriched
phase W- SC (1.6 wt%)-SA (0.29 wt%)-DSS system in the presence of 0.5% particles shown
in Figure 3 (d, e) compared with their orientation in the absence of DSS (data are not shown)
may be the result of interaction and incorporation of the particles into the SC-DSS network. It
is necessary to say that caseins adsorbs strongly at the surface of latex particles.
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