Scanning Electron Microscope micrographs (IMAGE) Osaka City University Caption Cross sectional microstructures in the set CPC samples (a) without and (b) with alginate (20 wt%). Little porosity was detected in CPC sample without alginate (a1). Adding alginate resulted in the formation of macropores within the bulk materials (b1) Credit Akiyoshi Shimatani、Hiromitsu Toyoda、Kumi Orita、Yuta Ibara、Yoshiyuki Yokogawa、Hiroaki Nakamura Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.