hairpin structure

Methods Two DNA sequences containing small hairpin structure were designed and synthesized .

方法设计有小发夹结构的两条DNA序列。

Application in Constructing DNA Computer with Hairpin Structure

发夹结构在建立DNA计算机中的应用

Then we mainly introduce the hairpin structure and the principle of molecular beacons .

其次介绍了发夹结构与分子信标的原理。

Can form a terminating hairpin structure that stops transcription of the operon .

能形成终止型发夹结构而使在操纵子进行的转录停止。

This paper is mainly analyzed the hairpin structure band-pass filter and DGS low-pass filter , and designed the new structure microwave filter .

本文主要针对用于无线通信的发夹型带通滤波器和缺陷接地结构（DGS）低通滤波器进行了分析，并对新结构微波滤波器进行了设计。

The conformational change in the hairpin-probe causes the opening of a hairpin structure and the hybridization to primer .

发卡探针构象的变化导致发卡结构打开与引物杂交。

The β - hairpin structure , short peptide connecting two β - strands , was analysed in proteins defined at a resolutions of 2.5A or better .

分析了240个分辨率在2.5A以上的高精度蛋白结构，研究了α螺旋和β折叠的连接短肽中的β发夹结构模式。

Specific molecular beacon hairpin structure has highly specific recognition ability to the target sequence . And it has become a powerful research tools in the filed of molecular biology and biotechnology .

特殊的发卡结构使分子信标具有很强的特异性识别靶标序列的能力，目前已成为分子生物学和生物技术中一种强有力的研究工具。

The theories and designing method about microstrip band-pass filter are also discussed in chapter 5 . The software , ADS , is used for designing microstrip bandpass filter with hairpin structure .

微带带通滤波器的相关理论和设计方法也是重点论述对象，微带滤波器的设计采用了ADS仿真软件进行仿真，此方法简单适用，其仿真结果与实际吻合较好。滤波器结构采用发夹型结构。

Based on sequence similarity and hairpin structure prediction , we found that 156,639 reads representing 63 sequences from 42 highly conserved miRNA families , have perfect matches to known miRNAs .

基于miRNA相似性序列和二级结构预测，从克隆测序的156639序列中发现63个miRNA属于42个高度保守的miRNA家族，与已知miRNA的完全匹配。

Usually , an inverted repeat sequence containing intron is taken into plants , transcripted in plants , formated a hairpin structure and produced double-stranded RNA , then caused gene silencing .

在植物中普遍采取的方法是通过转基因转入一段含有内含子的反向重复序列，通过转基因的方式转入植物体内并转录，形成发夹结构，产生双链RNA，从而引起基因的沉默。

Objective To construct DNA expression vector of siRNA , and to study the target gene expression inhibition by RNAi in mammalian cells . Methods The hairpin structure of siRNA transcript template targeting EGFP gene was first synthesized .

目的构建siRNA的DNA表达载体，为研究RNAi在哺乳动物内抑制靶基因表达奠定基础。

Its principle is mainly in the bases of complementary matching principle . Through the formation and launching of hairpin structure in corresponding DNA chains , use gel electrophoresis operation to separate different lengths of DNA chain , and obtain the solution of the problem in the end .

其原理主要是在碱基互补配对的基础上，通过相应DNA链发夹结构的不断形成与展开，利用凝胶电泳操作将各种不同长度的DNA链分离出来，最终得到所求问题的解。

In the absence of target adenosine , the aptamer can fold into a hairpin structure and form a cleavable double-stranded region . Fc species are capable of being removed from the electrode surface by treatment with endonuclease , and no peak current is observed .

没有目标物腺苷存在时，核酸适体折叠成发夹结构，在茎部形成一个酶切双链区，酶切后二茂铁脱离电极表面，没有二茂铁的响应电流信号产生。

MicroRNAs ( miRNAs ) were a group of small and single strand noncoding RNA gene products about 21 ~ 23 nt long that were very conservative in the evolution . They were usually processed by Dicer from precursors RNA with a characteristic hairpin secondary structure .

MicroRNAs（miRNAs）是一类长度为21～23核苷酸（nt）、进化上比较保守的非编码蛋白质的单链小RNA分子，它们一般通过Dicer酶从具有发夹二级结构的前体RNA加工而来。

Herein , we generated a new type dual Pol III siRNA expression vector , in which the siRNA encoding sequence is common DNA instead of hairpin DNA , and therefore it will ravel out all the limitations brought on by hairpin structure .

为此本课题首先致力于构建一种新型的相向双启动子siRNA表达载体。这种载体中siRNA编码序列是一段普通的双链DNA，因此上述与短发夹结构相关的一切问题均将迎刃而解。