纯化的

So, it is very important to synthesize cyclic peptides by chemical method.

尽管从自然界中分离鉴定了很多具有生物活性的环肽，但含量甚微，分离纯化困难。

Methods: Two sets of primers were designed according to the cyclostyle of pcDNA3.1-HBV-YVDD, and the full-length of HBV genome with different enzyme digestin spot was amplified.

以pcDNA3.1-HBV-YVDD为模板设计两对引物，扩增带不同酶切位点的HBV全基因，扩增产物纯化后，经酶切、连接，得到pcDNA3.1-HBV-YVDD重组体。

Purpose To compare the effects of three different cation exchange resins for purifying Cytochrome C.

目的 比较3种不同树脂纯化细胞色素C的效果。

Objective To express the functional domain at C-terminus of Clostridium difficile cytotoxin B and lay a foundation of developing effective vaccine against infection with Clostridium dificile and diagnostic antigen.

目的 表达并纯化艰难羧菌细胞毒素B羧基末端功能区片段，为制备高效防治艰难羧菌感染的疫苗和诊断抗原奠定基础。

Methods Using cell suspension cultures of Datura stramonium to convert the exogenous p-hydroxybenzaldehyde into gastrodin was conducted and the converted compounds were separated with a combination of multi-chromatography.

方法利用白花曼陀罗细胞悬浮培养转化外源对羟基苯甲醛合成天麻素，并应用多种色谱技术进行分离纯化，根据转化产物的理化性质和光谱数据分析鉴定结构。

Crude SAM product was decolorized with decolorant resin D202 and concentrated by reverse osmosis.

2研究出一种收率较高、工艺简单的分离纯化SAM方法。

In the cell co-transfected with two expression vector, there had bee deficience recombinant virus formed via the purification of sucrose gradient. This process had been lasted from 24 hours to 72 hours after co-transfection.

在两种表达载体转染的细胞中，经过密度梯度离心纯化方法表明，已有缺陷型重组颗粒形成，其已形成在转染后不同时间内（24～72小时内）均有发生。

In order to improve desorption/ionization effects, the purification methods for DNA samples are established.

为提高基体对样品解吸/电离效率，对纯化DNA样品的方法进行了讨论。

ObjectiveTo establish a feasible method of culture and purification of embryonic dorsal root ganglion neurons of rats.

目的：建立一种切实可行的胚胎大鼠背根神经节神经元培养及纯化方法。

And now the research of the application of PNA have been the hotspot of gene druggery treatment, anti-gene and anti-sense strategy.

现在肽核酸在基因药物治疗，反基因、反义策略，基因定位，核酸纯化等广泛领域越来越显示出其优越的特性。

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％。