Figure 6: Stress curves in compression mode for the CS/WPI/Hap scaffold obtained by the batch process (dotted blue line) and the CS/WPI/SiO2/HAp scaffold (, , and ) (full red line), CS/WPI/HAp scaffold (, , and ) (full violet line), CS/WPI/HAp scaffold (, , and ) (full orange line), and CS/WPI/HAp scaffold (, , and ) (full green line) obtained by foaming continuous process using NAGU technology.