Evaluation of two novel proposals of three dimensional (3D) scaffolds for mesenchymal stem cell culture and chondrogenesis: platelet-rich plasma (Prp3d) and bacterial cellulose (Bc) in comparison to Alginate Beads (AlgB) - Moroz, A. [UNESP]; Bittencourt, R. C. [UNESP]; Felisbino, S. L. [UNESP]; Rossi-Ferreira, R. [UNESP]; Deffune, E. [UNESP] (Wiley-Blackwell Publishing, Inc, 2009)