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In the present work, blood plasma protein deposition to spontaneously air oxidized silicon, titanium and aluminium was re-investigated in vitro. Immunological— and null ellipsometry methods were used to detect and quantitate adsorbed proteins, RIA methods to study the retention of preadsorbed 125 I-HSA upon exposure to buffer or blood plasma, and kallikrein-specific colorimetric substrate...
Chitosan was recently indicated to enhance osteogenesis, improve wound healing but to activate the coagulation and the complement systems. In the present study approximately 10nm thick chitosan film were prepared on aminopropyltriethoxysilane (APTES) coated silicon. The surfaces were incubated in serum or plasma and subsequently in antibodies towards key complement and contact activation of coagulation...
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