We apply MALDI-TOF-MS to accurately measure the molecular weight of scFv, and there is only eight Dalton between the experimental result and theoretical volume.

• 应用基质辅助激光解析飞行时间质谱(matrix assisted laser desorption ionization,MALDI-TOF-MS)精确测定了重组单链抗体的分子量,其结果只与理论值相差8道尔顿。