Chadwick C, Phipps D A, Powell C
Clin Chim Acta. 1979 Dec 17;99(3):279-82. doi: 10.1016/0009-8981(79)90273-0.
The application of equilibrium dialysis to the determination of the "free", i.e. non-albumin bound fraction of human plasma or serum tryptophan has been re-examined. A potentially serious error in the application of this method is outlined and the necessary correction and some precautionary measures are discussed.
平衡透析法在测定人血浆或血清中“游离”（即非白蛋白结合部分）色氨酸的应用已被重新审视。本文概述了该方法应用中一个潜在的严重误差，并讨论了必要的校正方法及一些预防措施。
