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Table 3 Amount of immobilised heparin on different polymer substrates *(dependent on PEO spacer length)

From: Influence of spacer length on heparin coupling efficiency and fibrinogen adsorption of modified titanium surfaces

Substrate

Polyurethane-CO2H

Polyurethane-NH2

Polyurethane-PEO

Polyethylene

Heparin [μg/cm2]

1.40 ± 0.08

2.00 ± 0.13

0.24 ± 0.04–0.47 ± 0.08*

4.4 ± 0.1–4.7 ± 0.1

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BioMedical Engineering OnLine

ISSN: 1475-925X

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