BD培养基 218091 500 g EA Difco Giolitti – Cantoni Broth Base GIOLITTI-CANTONI肉汤B 
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 218091 500 g EA Difco Giolitti – Cantoni Broth Base GIOLITTI-CANTONI肉汤B