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3D cell culture study on zein containing scaffolds (A) Confocal laser scanning microscopy images of NIH/3T3 cell culture on poly(e-caprolactone) (PCL) and PCL/zein-20 scaffolds. (B) NIH/3T3 cell number on PCL and PCL/zein-20 scaffolds.(n = 3, *P < 0.05, **P < 0.01). (Reproduced from Ref. Jing et al.[23] with permission).
