Figure 8.
(a) Solid–liquid transition for PCL of different molecular weights (MW) in the presence of CO2 under certain pressure (y axis) and temperature (x axis) [95]. (b) Micrograph of PCL scaffold obtained by supercritical foaming (37 °C, 100 bar, 30 min soaking time) [96]. Figure 7a reprinted with permission from (Industrial and Engineering Chemistry Research 2013. 52(44), 15594-15601). Copyright (2013) American Chemical Society. Figure 7b reprinted from Carbohydrate Polymers, 142, Luis Diaz-Gomez, Angel Concheiro, Carmen Alvarez-Lorenzo, Carlos A. García-González, Growth factors delivery from hybrid PCL-starch scaffolds processed using supercritical fluid technology, 282–292, 2016, with permission from Elsevier.