The contents of tyrosine (tyr) in the ovaries of the mice at various physiological stages were measured by Dansyl chloride reaction and thin layer chromatography on polyamide films.
用薄层层析，荧光光密度法测定了小白鼠卵巢在不同时期及不同生理状态下酪氨酸含量。
2
The phosphorylation assay proves that aldose reductase is the substrate of insulin-receptor tyrosine kinase and the Tyr(40) and Tyr(49) are phosphorylated by the kinase.