Table 1 Scaffold preparations and groups

ALG

Pristine Alginate

ALG-rGO-1

Alginate coated with 0.05% w/v (5 mg/ml)GO followed by reduction

ALG-rGO-2

Alginate coated with 0.1% w/v (10 mg/ml) GO followed by reduction

ALG-rGO-3

Alginate coated with 0.2% w/v (20 mg/ml) GO followed by reduction

ALG-rGO-4

Alginate coated with 0.3% w/v (30 mg/ml) GO followed by reduction