查询词典 DNA

Some key processes influencing construction of cotton bacterial artificial chromosome library, such as preparation of plug, DNA partial digestion, selection of digested fragment, molecular ratio between insert DNA andvector, concentration of ligates etc, were explored.

以我国抗病、优质、丰产的棉花优良品种中棉所12号为材料，对棉花细菌人工染色体文库构建过程中的一些关键技术，如plug的制备、DNA的部分消化、酶切片段的选择、插入片段与载体的摩尔比值、连接产物的浓缩等进行了研究，建立了构建棉花BAC文库的适宜方法体系。

PVP andβ-mercaptoethanol were added to lyses buffer in order to inhibit oxidation of polyphenol,high concentration of salt solution and elution for many times were used to remove polysaccharide, using above methods ,high quality DNA of Baphicacanthus cusiaBremek could be obtained.

结果表明，在提取液中加入PVP和β-巯基乙醇去除酚类物质，采用高盐沉淀DNA和多次洗涤去除糖类，可以得到高质量的马蓝基因组DNA。

Methods:DNA was extracted from tissues of HCC and amplified by PCR.MI was determined by using seven microsatellite markers and mutational ana lyses of IGFⅡR by running sequencing gel electrophoresis.

用QIAamp方法提取肝细胞癌DNA，选择7对引物，经PCR扩增，走DNA序列胶电泳，测定其MI的阳性率及有无IGFⅡR基因的突变。

A DNA demethylating agent. This finding suggests that Met induce the flowering of detached cotyledon culture perhaps through acting as a methyl donor of DNA methylating not as the precursor of ethylene synthesis.

上述结果说明：10^(-5)M Met浸种3 h能显著促进子叶培养物的花芽形成，Met对离体子叶成花的诱导作用可能是作为甲基供体通过DNA甲基化途径来实现的。

This review recapitulates the application of circulating DNA analysis in hepatocellular carcinoma patients for diagnosis and prognosis.

有关肝癌患者循环DNA的研究不多，本文就循环DNA检测在肝癌诊断和预后分析中的研究进展做一综述。

Genetically engineered DNA made by recombining fragments of DNA from different organisms.

由基因工程制造出来的dna，通过重组来自不同有机体的基因碎片形成。

Recombinant proteins could be considered as SARS-CoV vaccine especially as the vaccine component, which redounds to the development of a potential DNA vaccine.

构建的DNA疫苗可以在小鼠体内产生抗SARS的特异性抗体，为SARS-CoV DNA疫苗的开发提供借鉴作用。

When extracting total DNA of the algae, if the cells were pre-treated by alcohol+ether (1∶1), their gelatinous sheathes were broken and the production of total DNA increased by 3-4 times.

用乙醇乙醚混合液对该藻作预处理后，破坏了其胶质被，再经常规方法提取总DNA ，其得率提高 3- 4倍。

Ascending the form from 2 strands of DNA to 3000 is a 1500% biological change.

将身体从2股DNA提升到3000股DNA是一个15倍的生物改变。

The settling may after joining the TE buffer solution (10m-MTris-HCL lmMEDTA, pH8.0) on the molecular sieve live in the protein, goes to RNA; May also use the ultracentrifuging to go to the protein to occupy, goes to RNA, goes to level shape DNA or the DNA fragment.

E.coli→用溶菌酶去细胞壁→用表面活性剂如SDS、Trit X-100等EE细胞膜→用乙酸锅使DNA、RNA及蛋白质大部分沉淀(90%以上)。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。