Srcl2 6h2o

PLLA with an inherent viscosity of 1.6 dL/g was purchased from Ji’nan Daigang (Ji Nan, China). d-Fructose (melting point [m.p.] 119°C–122°C) and Span 80 were purchased from Sigma-Aldrich Co. (St Louis, MO, USA). Dioxane, cyclohexane, and hexane were purchased from Sigma-Aldrich Co. Fetal bovine serum (FBS), minimum essential medium alpha medium (α-MEM), and trypsin were obtained from Thermo Fisher Scientific (Waltham, MA, USA). Sodium dodecyl sulfate (SDS), dimethyl sulfoxide (DMSO), 3-[4,5-dimetylthiazole-2-yl]-2,5-diphenyltetrazolium bromide (MTT), glutaraldehyde, and bovine serum albumin (BSA) were obtained from Sigma-Aldrich Co. The assay kits of bicinchoninic acid (BCA) protein and alkaline phosphatase (ALP) were purchased from Beyotime Biotechnology (Northern Island, UK). The ActinGreen 488 and the 4′6-diamidino-2-phenylindole (DAPI) were purchased from Thermo Fisher Scientific. The mouse preosteoblast cell line (MC3T3-E1) was obtained from China Infrastructure of Cell Line Resource (Beijing, China). ICR mice and JW rabbits were purchased from Vital River Experimental Animal Co. Ltd. (Beijing, China). NaCl, KCl, K₂HPO₄·3H₂O, CaCl₂·2H₂O, SrCl₂·6H₂O, MgCl₂·6H₂O, Na₂SO₄, and NaHCO₃ were purchased from Sigma-Aldrich Co. and used without further purification.