查询词典 nucleic acid

The nucleic acid in the virion was determined to be single-strande d RNA by means of diphenylamine reaction,orcinol reaction and formaldehyde reaction.

病毒核酸地衣酚反应呈阳性，联苯胺反应呈阴性结果。而紫外吸收实验则呈明显的单链特征，辅以酶消化实验的结果，证实该病毒为单链RNA病毒。

It is considered that the chitosan can bind with nucleic acid through not only electrostatic attraction and hydrogen bond, but also hydrophobic force, which results in the increase of light scattering intensity of the system.

机理研究指出，壳聚糖与核酸间的相互作用，除静电作用和氢键外，还有疏水作用存在。

It was found that TPS4-1 was a polysaccharide-protein-nucleic acid conjugate by using the methods of UV, IR, NMR, HLPC, GC, gelose electrophoresis, periodate oxidation, smith degradation.

通过吸附柱层析、离子交换柱层析和葡聚糖凝胶柱层析等多级层析纯化的方法获得了茶多糖的相对均一组分TPS4-1。

The high fidelity of DNA replication is guaranteed by the high specificity of nucleic acid base pairing in DNA.

在DNA中碱基配对的高度专一性保证DNA复制的高度精确性，所以在DNA的复制过程中必须保持碱基配对的完整性。

The result of agarose gel electrophoresis illustrated that it was a better method to separate nucleic acid from cell suspension of histiocyte and blood.

电泳结果表明磁性微球可以很好地从细胞悬液、组织、血液等样品中分离得到高质量的核酸。

Originally designed to homogenize plant tissue for nucleic acid and protein isolations, it has since found use in all areas of biological research that require high throughput homogenization.

最初设计用于均质核酸和蛋白质的植物组织，目前已应用在所有需要高吞量同质的生物学研究中。

A method for detecting the presence of a target nucleic acid sequence in a sample, said method comprising subjecting said sample to an amplification reaction using a set of nucleotides, at least one of which is fluorescently labelled, contacting amplification product with a probe under conditions in which the probe will hybridise to said target sequence, said probe comprising a reactive molecule which is able to absorb fluorescence from or donate fluorescent energy to said fluorescent labelled nucleotide and monitoring fluorescence of said sample.

一种用于检测在某样品中是否存在目标核酸序列的方法，该方法包括：使用一套核苷酸对所说的样品进行扩增反应，其中至少一个核苷酸是被荧光标记的，在探针与目标序列杂交的条件下使扩增产物与探针混合，所说的探针包括一种活性分子，该活性分子能够从荧光标记核苷酸吸收荧光或向其贡献荧光能量，及检测样品的荧光。

Virus particles was 20 icosahedron, a diameter of about 27 nanometer, without capsule, single-stranded nucleic acid RNA, is the hepatitis pathogen.

病毒粒子呈20面体，直径约27纳米，无被膜，核酸为单链RNA，是甲型肝炎的病原。

Contributions deal with the molecular aspects of genetic variation and evolution, mutation, gene action and regulation, immunogenetics, somatic cell genetics, and nucleic acid function in heredity and development, and with the biochemical aspects of genetic defects.

该杂志还介绍基因变异和进化、突变、基因作用和调控、免疫学、体细胞遗传学中的分子生物学，以及遗传发育中的核苷酸功能。

Adenine is commonly contained in clinical medicines and general food. Abundant ingestion of nucleic acid including adenine may affect the internal secretion function.

腺嘌呤常含于临床药物及日常食物中，过多摄入包括腺嘌呤在内的核酸会影响内分泌功能。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。