pbv

Methods: The PBV and superior sagittal sinus were dissected with operating microscope on 40 adult cerebral specimens and their histological section were observed.

方法：通过手术显微镜和组织学切片，对40例脑标本的桥静脉和上矢状窦进行观测。

Results A recombinant plasmid pBV/ IL-2/ PEA was constructed.

结果经鉴定，获得重组质粒pBV／IL－2／PEA。

Objective To analyze the complications of percutaneous balloon valvuloplasty ( PBV) in 1314 cases, and to study the causes and preventive method of the complication.

目的分析1314例经皮球囊瓣膜成形术（PBV）手术的并发症，探讨其发生原因和防治方法。

Conclusion The key to prevent the complications is to control indications and to have the skillful procedure of PBV operation. It is profit for PBV safety to deal with complications during operation.

结论严格掌握PBV适应证、熟练操作，是预防PBV并发症的关键，处理好有关并发症，有利于提高PBV的安全性。

Results The Arresten gene was screening successfully, and the recombinant plasmid pBV 220-Arr was constructed successful.

结果成功筛选出Arresten基因并构建了重组质粒pBV220-Arr,重组质粒在菌株中获得表达.

However, the ADI enzyme activity of JM 109 ( pBV 220-cit ) had not been detected.

用42℃热激诱导JM109 ( pBV220-cit ) 精氨酸脱亚氨基酶的表达,但是未检测到酶活.