... pET-fgf2 41 2. 2 .2 Cu trỳc chng E Coli BL21(DE3) mang plasmid tỏi t hp pET-fgf2 44 2. 2 .2. 1 Thu nhn plasmid pET-fgf2 44 2. 2 .2. 2 Bin np plasmid pET-fgf2 vo E coli BL21(DE3) 44 2. 2 .2. 3 ... 2% agar (gi 4oC) - Mụi trng lờn men: + Trace: ZnSO4.7H2O 0 ,28 8g/l; MnSO4.7H2O 0,142g/l; H3BO3 0,062g/l; NaMoO4.2H2O 0,048g/l; CoCl2.6H2O 0,048g/l; KI 0,083g/l; CaSO4.5H2O 0, 125 g/l; H2SO4 0 ,25 M ... protein FGF -2 tỏi t hp dng tan 45 2. 2.4.1 Cỏc bc chun b 45 2. 2.4 .2 Lờn men cm ng biu hin FGF -2 .47 2. 2.4.3 ỏnh giỏ hiu qu lờn men .47 2. 2.5 Tinh ch FGF -2 ...