..PAGE:5 The purpose of this study Prepare multiand 2-layer porous structure scaffold Efficiently permeate ... Group A(uniform pore structure), Group B (multiporous structure), Group C(2-layer porous structure) ... scaffold를 대조군 Multi 및 2-layer구조의 scaffold를 비교군으로 설정하여 cell adhesion 정도를 분석 Cell seeding and culture .