BD培养基 234210 6 SP Difco Tinsdale Enrichment, Desiccated, 15 mL TINSDALE营养添加剂 15ML 
修饰性PEG
DSPE SH COOH MAL NH2 巯基 羧基 氨基 四臂 八臂PEG WAKO和光纯药
BD培养基 234210 6 SP Difco Tinsdale Enrichment, Desiccated, 15 mL TINSDALE营养添加剂 15ML