这个问题你如果去药学区提问,估计有更多的人回应你。。
1.买什么凝胶,主要看你化合物的分子量,看凝胶的适用范围。
比如:Sephadex LH-20
Exclusion limit:
peptides ~4 kD (~35 amino acids but depends on solvent in which the gel has been equilibrated.)
small organics ~5kD but depends on solvent in which the gel has been equilibrated.