查询词典 DNA

High purity and quality DNA extracted from Rhododendron was used for RAPD analysis.

采用改良的CTAB法提取杜鹃花的基因组DNA，所得的DNA纯度高、质量好，可用于RAPD分析。

Safrole is genotoxic and carcinogenic in laboratory animals, and these effect is mediated through the 2-step bioactivation of safrole by cytochrome P450 and sulfotransferase to stable safrole-DNA adducts.

实验证明此黄樟素DNA键结物对实验动物具有基因毒性及致癌性，而本实验室已能自口腔癌患者的口腔组织侦测到黄樟素DNA键结物之存在。

RAPD method was used to determine the molecular nature of the variants, and polymorphism, such as OPD05-1250 and OPH16-800 in NaCl-tolerant line of sainfoin and OPA08-1180 and OPH01-760 in ethionine-resistant cell line alfalfa, could be clearly detected among different lines, indicating these variations were caused by the changes in DNA.

用RAPD技术对红豆草和苜蓿几种变异系的DNA多态性进行比较分析，证实红豆草耐盐系中具有OPD05-1250、OPH16-800等多态性产物，苜蓿变异系中具有OPH01-760、OPA08-1180多态性产物。说明变异系中DNA水平发生一定改变。

This research has compared the classic extraction method and the salting out method of spider genome DNA.

昆虫基因组DNA的提取是对昆虫在分子水平上进行研究的关键，提取的DNA的纯度、浓度及结构的完整性是进行基因工程各项研究所必需的条件。

Methods: the sample DNA was extracted from periodical blood by rapid-salt-method or by traditional phenol-chloroform method from amniotic fluid, and the PCR-SSP based methods were introduced to designate the genotypes of ABO blood group, HAB secretor status and MN blood group.

采用快速盐析法提取外周血标本中的DNA或用经典的酚-氯仿法提取羊水标本中的DNA。

By using bulk segregant analysis method, resistant and susceptible DNA bulks were constructed with 10 resistant and 10 susceptible inbred lines genomic DNA, respectively.

采用集团混合分组分析法，分别以10个抗病和10个感病玉米自交系基因组DNA构建抗病基因池和感病基因池。

Objective To compare the detection rates of Epstein-Barr virus DNA in the serum/plasma between apparently healthy adults and nasopharyngeal carcinoma patients in attempt to evaluate the efficiency of EBV DNA assay for serodiagnosis of NPC.

目的比较血浆/血清中的EB病毒(Epstein-Barr virus，EBV)DNA检出率在健康成人和鼻咽癌患者之间的差别，评价其在鼻咽癌诊断中的意义。

Objective to compare the detection rates of epstein-barr virus dna in the serum/plasma between apparently healthy adults and nasopharyngeal carcinoma patients in attempt to evaluate the efficiency of ebv dna assay for serodiagnosis of npc.methods the plasma and serum were obtained from 58 ahas and 66 untreated npc patients.

目的比较血浆/血清中的eb病毒(epstein-barr virus，ebv)dna检出率在健康成人和鼻咽癌患者之间的差别，评价其在鼻咽癌诊断中的意义。

This may be the reason that the side chain is too long to be easily accommodated in the DNA groove.

与DNA没有结合，这可能是由于支链太长，使配合物难以容纳在DNA沟中。

Connecting with the character of ESR spectra at 77K andcalculated LUMOs, HOMOs the linear relationship between spin transfer efficiencyand molar ratios of nucleotide in DNA to sinapic acid or sinapine provides quantitativeevidence of long range electron transfer within mixed aggregates.

将低温获取的电子自旋共振波谱与DNA组分及羟基肉桂酸衍生物的前线轨道能量相关联，依据自旋自DNA向芥子酸及其衍生物的转移效率与核苷酸和后者摩尔比的线性关系揭示混合堆集物中电荷长程传递的证据。

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。