Fig. 2From: Surface-mediated high antioxidant and anti-inflammatory effects of astaxanthin-loaded ultrathin graphene oxide film that inhibits the overproduction of intracellular reactive oxygen speciesFT-IR spectra of GO and AST. The peaks for GO (3329 and 1638 cm−1) and AST (1436, 1406, 1310, and 1043 cm−1) recorded using an FT-IR spectrophotometer and the ATR method in the range of 4000–400 cm−1Back to article page