Table 2.

Types of graphene-based materials that were used as substrates for hUC-MSCs growth.

Graphene-Based Substrate	Abbreviation
GO, small flakes, thick layer, 10–30 µg/cm2	GO-sf-1
GO, small flakes, thin layer, 3–10 µg/cm2	GO-sf-2
GO, large flakes, thick layer, 10–30 µg/cm2	GO-lf-1
GO, large flakes, thin layer, 3–10 µg/cm2	GO-lf-2
rGO, high reduction level, thin layer 3–10 µg/cm2	rGO-hr-1
rGO, high reduction level, thick layer, 10–30 µg/cm2	rGO-hr-2
rGO, low reduction level, thin layer, 3–10 µg/cm2	rGO-lr-1
rGO, low reduction level, thick layer, 10–30 µg/cm2	rGO-lr-2