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. Author manuscript; available in PMC: 2015 Jun 22.
Published in final edited form as: Biotechnol Bioeng. 2013 Nov 30;111(4):829–841. doi: 10.1002/bit.25145

Table I.

The scaffolds, type of microspheres and the composition of each microsphere.

Scaffolds Type of microsphere
used in each scaffold
Contents
Control
  PLGA PLGA PLGA
Chondrogenic
  TGF PLGA-TGF PLGA, TGF-β3
  CS PLGA-CS PLGA, chondroitin sulfate
  TGF-CS PLGA-TGF-CS PLGA, TGF-β3, chondroitin sulfate
Osteogenic
  BMP PLGA-BMP PLGA, BMP-2
  BG PLGA-BG PLGA, bioactive glass
  BMP-BG PLGA-BMP-BG PLGA, BMP-2, bioactive glass
GRADIENT PLGA-TGF-CS PLGA, TGF-β3, chondroitin sulfate
PLGA-BMP-BG PLGA, BMP-2, bioactive glass