Comparative Study of Determining IEP and IEP Distribution of Gelatin with Turbidimetry/Spectrometry and Capillary IEP Focusing Methods
浊度/分光光度法与毛细管等电点聚焦法测定明胶等电点及其分布的比较研究（英文）

The isoelectric point(IEP) is one of the most important physicochemical properties of proteins. There are many different methods for the determination of IEP. In this paper,a comparative study between the simplest turbidimetry/spectrometry method and the most advanced capillary IEP focusing(CaIPF) method was made. Henan cattle hide gelatin's IEP was determined with the two methods and the advantages of the CaIPF method over the other methods were demonstrated and discussed.