In addition, they say that is the first time that “…such self-folding 3D porous structures (have been) fabricated at this scale from biocompatible materials (e.g. titanium foils)”.
」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」」＜第２章　物質の構成粒子＞（教p19-）