查询词典 DNA

Genetic distance of sixteen crested ibises was analyzed at the DNA level by polymerase chain reaction using random primers after DNA was sampled with non-invasive sampling.

采用非损伤性取样方法提取DNA，利用20条10bp的随机引物对陕西朱？

It differs from the original DNA sequence in that it lacks intron and promoter sequences.

这样获得的 DNA 与原始的 DNA 序列的不同在于缺少内含子和启动序列。

Methods: Male Sprague-Dawley rats were subjected to lateral fluid percussion brain injury of moderate severity. bax and bcl-xL mRNA and protein expression was detected by RT-PCR an d immunohistochemistry. In addition to morphological evidence of apoptosis, TUNE L histochemistry was used to identify DNA fragmentation in situ under both l ight and electron microscope, whereas characteristic internucleosomal DN A fragm entation of apoptosis was demonstrated by DNA gel electrophoresis.

在液压脑损伤模型中，应用逆转录聚合酶链反应、免疫组化分别检测大鼠脑创伤后不同时程bax和bcl-xL表达；采用凋亡原位末端标记、电镜超微结构、DNA凝胶电泳观察脑创伤后细胞凋亡的形态和生化特征。

There were no significant differences in the normalization of alanine aminotransferase levels between the two groups at week 12 and 24 (52.5% vs 60.0%, 77.5% vs 75.0%). The mean reductions in serum HBV DNA from the baseline levels at week 12 and 24 were similar between the two groups [5.27 vs.5.36, 6.49 vs.6.18 log (on a base-10 scale) copies per milliliter]. More patients in the telbivudine group had HBeAg seroconversion at week12 than those in the entecavir group (20.0% vs 5.0%, P = 0.043); however, there was no significant difference between the two groups at week 24 (27.5% vs 17.5%).

治疗12周时，替比夫定组和恩替卡韦组患者 HBV DNA 低于检测值率均为50.0%， ALT 复常率分别为52.5%和60.0%（ P ＞0.05）， HBeAg 阴转率分别为30.0%和5.0%（ P ＜0.01）， HBeAg 血清学转换率分别为20.0%和5.0%（ P ＜0.05）；在治疗24周时，两组 HBV DNA 低于检测值率分别为80%和70%（ P ＞0.05）， ALT 复常率分别为77.5%和75.0%（ P ＞0.05）， HBeAg 阴转率分别为45.0%和32.5%（ P ＞0.05）， HBeAg 血清学转换率分别为27.5%和17.5%（ P ＞0.05）；两组均未发现明显不良反应。

Due to the electrostatic interaction, the positively charged lysozymes can easily assemble onto the negatively charged DNA molecules as dense or sporadic patterns under different experiment condition, and the resulted structures were mainly characterized by atomic force microscopy which is a modern technique.

利用静电相互作用，将带正电的溶菌酶分子疏密可调地组装到了带负电的质粒DNA分子上，通过原子力显微镜等现代技术对溶菌酶在DNA模板上的组装情况进行了研究。

It has been found that the DNA-binding mechanisms and oxidative cleavage of the macrocyclic single nuclear copper complexes are relevant to the rigidity of macrocycle, substitute groups on the side chain, the shape and structure of the complexes.

对一系列结构不同的单核铜配合物的研究表明，大环配体结构的刚性、配体支链上的取代基、配合物的形状与结构等因素对配合物与DNA的相互作用及对质粒DNA的氧化断裂有显著的影响。

Therefore,it was demonstrated that DNA Isolation Kit method was more suitable for genomic DNA extraction of mat rush.

试验还发现提取材料对基因组DNA的质量有显著影响，蔺草组培苗优于实生苗。

Seedlings of sixteen mat rush varieties planted in the field,and shoots derived from tissue culture of four varieties were used to investigate the effects of modified CTAB method and Isolation Kit method on the extraction quality of genomic DNA.

以16个蔺草品种实生苗和4个蔺草品种组培苗为材料，探讨了CTAB改良法与DNA试剂盒法对蔺草基因组DNA提取质量的影响。

We draw fresh blood with EDTA anticoagulant of two millilitre from every patients. First we draw DNA of leukocyte from blood by the method with saturation phenol and chloroform second we amplificate the ACE gene using the DNA polymerase chain reaction technic employing the primer gene designed by Rigat.

首先应用饱和酚-氯仿法提取白细胞DNA，之后采用Rigat等人设计的ACE基因引物，应用PCR技术对标本ACE基因进行扩增，扩增产物采用2%琼脂糖凝胶电泳。

The genomic DNA of Thinopyron intermedium labelled with biotin-16-dUTP was hybridized with the chromosomal DNA of Wheat-Th. intermedium addition Line Z,(2n = 44), which had a good resistance to barley yellow dwarf vims.

以生物素（Biotin－16－dUTP）标记中间偃麦草基因组 DNA为探针，与抗黄矮病小麦－中间偃麦草染色体异附加系Z6进行原位杂交，鉴定出附加的1对中间偃麦草染色体。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。