英语语法分析

Osteopontin is a multifunctional phosphoprotein containing GRGDS sequence which functions in cell adhesion and chemotaxis.

骨桥蛋白是一种具有多种功能的磷酸化糖蛋白，其中含有特异的与细胞黏附及迁移有关的GRGDS序列。

In this study, a novel approach of enrichment of phosphopeptides has been developed prior to phosphoprotein analysis by mass spectrometry.

基于此，本文开展了一种磷酸肽富集的新方法研究，并将其应用于复杂样品的分析。

Objective:To observe expression of dentin phosphoprotein (DPP) in developing rat teeth, to get a better understanding on teeth development.

目的； 观察牙本质磷蛋白（DPP）在大鼠牙齿发育各期的表达，探讨其在牙齿发育中的作用。