查询词典 deoxyribonuclease

Purpose To study the major characteristics of a novel deoxyribonuclease (EWD1) from Earthworm Eisenia foetida.

目的 研究蚯蚓组织中1种新型脱氧核糖核酸酶(EWD1)的主要酶学性质。

Deoxyribonuclease II is an important acid endonuclease in lysosomes, nuclei and various secretions in many animals.

DNase II是核酸内切酶，在细胞内主要位于溶酶体、细胞核及各种分泌排泄物中，酸性条件(pH4.5–5.5)发挥最大活性。

Results The results showed that the pDNA was completely degraded within 1 minute in 5U/μl of deoxyribonuclease solution at 37℃. While the chitosan with MW more than 200000 showed favourable protective effect on DNA.

结果 在人体温度(37℃)下，浓度5U/μl的DNase Ⅰ在1min内即可降解没有保护的质粒DNA，而相对分子质量为200000以上的壳聚糖对质粒具有良好的保护作用。

Key words］ Digestive system neoplasms;Deoxyribonuclease;carcinoembryonic antigen;Diagnostic techniques,digestive system

关键词］消化系统肿瘤；脱氧核糖核酸酶；癌胚抗原；诊断技术，消化系统

MMC possesses several types of enzyme activity, such as N-glycosidase, RNase and deoxyribonuclease activities. All its biological activities may be related to the ribosome-inhibiting activity of the protein.

MMC属于Ⅰ型核糖体失活蛋白，具有N-糖苷酶、RNase及DNase活性，α-MMC的多种生物功能可能都与其核糖体失活的性质有关。

Two substitution derivates of β CD His and β CD His 2 was synthesized and characterized respectively,which simulate deoxyribonuclease,their activity of hydrolysis deoxyribonucleic acid are compared with DNaseⅠ′s.

合成了β-环糊精的组氨酸一取代和二取代衍生物(简写β- CD- His和β- CD- His2 )并对其结构进行了表征。

A fast, simple and convenient method is established to isolate and characterize the cpDNA in leaves of Quercus variabilis. The protocol includes: chloplast isolation, deoxyribonuclease treatment, deproteinisation and purification of the DNA.

通过对以往的叶绿体DNA提取方法进行比较研究，建立了一个快速、简便提取栓皮栎叶绿体DNA的方法，其主要步骤包括叶绿体分离、DNA酶处理、去蛋白和纯化。

Deoxyribonuclease for cystic fibrosis.

脱氧核糖核酸酶为囊性纤维化。

Methods TIL in the patients with PHC were separated with combinative enzymatic digestion of type Ⅰ,Ⅳ collagenases,type Ⅴ hyaluronidase and type Ⅰ deoxyribonuclease followed by discontinuous density gradients.Cytotoxicity of TIL to liver cancer cells was detected with MTT method.

采用Ⅰ型和Ⅳ型胶原酶、Ⅴ型透明质酸酶和Ⅰ型DNA酶四联酶消化，应用不连续密度梯度离心分离TIL，采用MTT比色法检测TIL对自体癌细胞及肝癌细胞株的细胞毒。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。