英语语法分析

OBJECTIVE: To investigate the effects of liquid nitrogen cryopreservation on osteoblast immunogenicity.

目的：探讨液氮冷冻对成骨细胞免疫原性的影响。

Objective: To detect the immunogenicity of the bioscaffold used in building tissue engineered blood vessels.

目的：探讨组织工程血管全生物支架的免疫原性的检测方法。

The recombinant pseudorabies virus was constructed successfully, and the expressed ORF2 protein had immunogenicity.

重组伪狂犬病毒构建成功，且表达的OR F2蛋白具有免疫原性。