目的：开发两种UPLC(R)方法 —SE-UPLC和RP-UPLC,用于分析蛋白PEG修饰过程中的PEG-蛋白偶联物、非PEG化蛋白以及游离活化PEG水平。方......

Nitrogen (N), a macronutrient essential for plant growth and development, is needed for biosynthesis of protein and star......

The objective of the present research work is to develop a gradient, reversed-phase liquid chromatographic (RP-UPLC) met......

目的:建立一种以超高效液相色谱法(RP-UPLC)测定黄芪提取物中毛蕊异黄酮、毛蕊异黄酮葡萄糖苷、芒柄花素和芒柄花苷的方法.方法:使......

Nitrogen(N),a macronutrient essential for plant growth and development,is needed for biosynthesis of protein and starch,......