The enzymatic digest of bovine serum albumin(BSA),used as a model protein, was directly analyzed by reversed phase high performance liquid chromatography (RP HPLC ) /electrospray tandem mass spectrometry (ESI MS/MS).

• 利用反相高效液相色谱 (RP HPLC)和电喷雾串联质谱 (ESI MS MS)联用技术直接对模式蛋白分子 (牛血清白蛋白 ；BSA)的胰蛋白酶酶解产物进行分离和测定 .