Table 2. Overview of Hemostatic Performance (P1–P7).
# | polymer | %NHS | functional group contenta (mmol NHS/g polymer) | contact angleb (deg) | gelation timec (min) |
---|---|---|---|---|---|
P1 | P(nPropOx-c-NHS) | 10 | 0.76 | 36 | 6 |
P2 | P(nPropOx-c-NHS) | 29 | 2.19 | 57 | 6 |
P3 | P(nPropOx-c-EtOx-NHS) | 11 | 0.89 | 26 | 3 |
P4 | P(nPropOx-c-EtOx-NHS) | 24 | 1.59 | 24 | 3 |
P5 | P(nPropOx-c-EtOx-NHS) | 11 | 0.88 | 23 | 3 |
P6 | P(nPropOx-c-EtOx-NHS) | 24 | 1.57 | 21 | 3 |
P7 | P(nPropOx-c-OH-NHS) | 15 | 0.91 | 23 | 1 |
Controls | |||||
P8 | P(EtOx) | 26 | no gel | ||
P9 | P(nPropOx) | 57 | no gel | ||
P10 | mPEG-OH | 24 | no gel | ||
P11 | PEG-4-arm-NHSd | 0.36 | 21 | instantaneous |
Calculated using NHS-content, which was determined by 1H NMR spectroscopy.
The measurements were conducted in triplo, blank measurement glass slide (66°).
The gelation was determined by the inverted vial method.
Obtained from commercial source.