- Capillary electrophoresis of sialic acid-containing glycoprotein. Effect of the heterogeneity of carbohydrate chains on glycoform separation using an alpha1-acid glycoprotein as a model. Kakehi, K., Kinoshita, M., Kawakami, D., Tanaka, J., Sei, K., Endo, K., Oda, Y., Iwaki, M., Masuko, T. Anal. Chem. (2001)