[1] MALDA J, FRONDOZA CG. Microcarriers in the engineering of cartilage and bone[J]. Trends in Biotechnology, 24, 299-304(2006).

[2] R. LANGER, J.P. VACANTI. Tissue engineering,[J]. Science., 260, 920-926(1993).

[3] ZHOU L, KONG J, ZHUANG Y et al. Ex vivo expansion of bone marrow mesenchymal stem cells using microcarrier beads in a stirred bioreactor[J]. Biotechnology and Bioprocess Engineering, 18, 173-184(2013).

[4] QIU QQ, DUCHEYNE P, AYYASWAMY PS. New bioactive, degradable composite microspheres as tissue engineering substrates[J]. Journal of Biomedical Materials Research, 52, 66-76(2000).

[5] WEI DX, DAO JW, CHEN GQ. A Micro-Ark for Cells: Highly Open Porous Polyhydroxyalkanoate Microspheres as Injectable Scaffolds for Tissue Regeneration[J]. Advanced Materials, 30, 1802273(2018).

[6] BOO L, SELVARATNAM L, TAI CC et al. Expansion and preservation of multipotentiality of rabbit bone-marrow derived mesenchymal stem cells in dextran-based microcarrier spin culture[J]. Journal of Materials Science-Materials in Medicine, 22, 1343-1356(2011).

[7] SU K, GONG Y, WANG C, WANG DA. A novel shell-structure cell microcarrier (SSCM) for cell transplantation and bone regeneration medicine[J]. Pharmaceutical Research, 28, 1431-1441(2011).

[8] CHUN KW, YOO HS, YOON JJ et al. Biodegradable PLGA microcarriers for injectable delivery of chondrocytes: Effect of surface modification on cell attachment and function[J]. Biotechnology Progress, 20, 1797-1801(2004).

[9] YAN S, XIA P, XU S et al. Nanocomposite porous microcarriers based on Strontium-substituted HA-g-poly (gamma-benzyl-l- glutamate) for bone tissue engineering[J]. ACS Applied Materials & Interfaces, 10, 16270-16281(2018).

[10] FANG J, YONG Q, ZHANG K et al. Novel injectable porous poly(γ-benzyl-l-glutamate) microspheres for cartilage tissue engineering: preparation and evaluation[J]. Journal of Materials Chemistry B, 3, 1020-1031(2015).

[11] FANG J, ZHANG Y, YAN S et al. Poly (L-glutamic acid)/chitosan polyelectrolyte complex porous microspheres as cell microcarriers for cartilage regeneration[J]. Acta Biomaterialia, 10, 276-288(2014).

[12] HUANG CC, WEI HJ, YEH YC et al. Injectable PLGA porous beads cellularized by hAFSCs for cellular cardiomyoplasty[J]. Biomaterials, 33, 4069-4077(2012).

[13] HENCHL L, XYNOS I, EDGAR A et al. Preparation and biomineralization research of ultrafine sol-gel bioactive glass power[J]. Journal of Inorganic Materials, 17, 897-909(2002).

[14] DING FENG, LI NAN, LI YONG-SHENG et al. Preparation of hierarchically porous MBG/CPC scaffold and its performance on drug loading and release[J]. Journal of Inorganic Materials, 28, 97-102(2013).

[15] ZHOU YAN-LING, FENG XIN-XING, ZHAI WAN-YIN. Study on the loading and releasing behavior of epirubicin hydrochloride from mesoporous bioactive glass (MBGs)[J]. Journal of Inorganic Materials, 26, 68-72(2011).

[16] MIGUEZ-PACHECO V, HENCH LL, BOCCACCINI AR. Bioactive glasses beyond bone and teeth: emerging applications in contact with soft tissues[J]. Acta Biomaterialia, 13, 1-15(2015).

[17] MIAO G, CHEN X, DONG H et al. Investigation of emulsified, acid and acid-alkali catalyzed mesoporous bioactive glass microspheres for bone regeneration and drug delivery[J]. Materials Science & Engineering C-Materials for Biological Applications, 33, 4236-4243(2013).

[18] BRAUER DS. Bioactive glasses-structure and properties[J]. Angewandte Chemie International Edition, 54, 4160-4181(2015).