duplexes

In vertebrates, long dsRNA activates the interferon response and yield non-specific degradation of mRNA. In contrast, small interference RNA ( siRNA) duplexes with the length of 21 to 23 nucleotides trigger specific gene silencing and thus be widely used for gene functional studies.

脊椎动物中，长链dsRNA能引发干扰素反应而引起非特异性的mRNA降解，而21-23nt长度的siRNA能特异性介导基因的沉默，因而被广泛应用于基因功能研究。

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New model for the formation of contractional duplexes

逆冲双重构造形成的新模式

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Peter Pennoyer, a New York City-based architect, is creating duplexes and townhouses for the Xiao Yao ( pronounced She-ow yow) Bay residential community of 900 homes.

纽约建筑师彼得・彭诺耶（Peter Pennoyer）正在为小窑湾一个有900套住宅的小区设计复式住宅和联排别墅。

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Parallel thermodynamic analysis of duplexes on oligo DNA microarray and its important usage in SNP analysis

DNA阵列芯片上的DNA二聚体并行热力学研究及其在SNP基因分析中的应用

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RESULTS With the special DNA microarray, thermodynamic analysis has done to get the melting curve of the DNA duplexes as well as their Tm values for SNP analysis.

结果用特殊设计的寡聚DNA阵列芯片进行并行热力学研究，测得其DNA二聚体的解链曲线，计算出Tm值，并进行了SNP分析。

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A typical strike-slip extensional duplexes with a characteristic tulip flower structure are developed along the east-west oriented F fault ( PDZ) in Punda dextral strike-slip faults.

沙捞越Punda走滑构造为一典型的右旋走滑构造形式，是沿近东西向F断裂（PDZ）发育特征的负花状构造或郁金香构造，并构成走滑伸展双重构造。

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A man from the National Institute of Trades was sent to inspect the condition of an installment of duplexes on the upper east side of town.

国家贸易协会的一个人被派去检查城镇东部靠北的复式结构建筑安装的情况。

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In fact PNA – DNA duplexes show significantly increased stability when the purines are in the PNA strand.

事实上，当嘌呤存在于肽核酸的链上时，肽核酸-DNA二聚体的稳定性会大大增加。

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Prediction for Target Sites of Small Interfering RNA Duplexes in Enterovirus 71

肠道病毒71型基因组中小干扰RNA的靶位点预测

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In mammalian cells, RNAi can be triggered by 21 ￣ 25 nucleotide duplexes of small interfering RNA ( siRNA).

在哺乳动物细胞里，RNAi可以由21￣25个核苷酸长度的双链小干扰RNA（siRNA）触发。

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METHODS Melting curves were determined in the DNA microarray, in terms of the thermodynamic traits of DNA duplexes, and the Tm values was calculated for SNP analysis.

方法根据DNA二聚体的热力学性质，在DNA阵列芯片上测定其解链曲线，用数学的方法获得其解链温度（Tm）值，再根据Tm值进行SNP分析。

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A heterozygous sample after denaturation, renaturation of PCR, contains four duplexes: two homoduplexes and two heteroduplexes.

杂合子样品经过PCR变性、复性之后，其组分包含四种双链分子：两种同源双链、两种异源双链。

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Thus on top of the dependence on G – C content, the stability of PNA – DNA duplexes also depends on the purine fraction of the PNA strand.

因此，肽核酸-DNA二聚体的稳定性除了依赖G-C配对的含量外，还与肽核酸链上的嘌呤含量有关。

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Firstly, thiol probes and fluorescent probes annealing hybrid, then the hybrid duplexes marked on gold nanoparticles, narrowing the distance between gold nanoparticles and FAM. Due to the quenching effect of gold nanoparticles, the fluorescence intensity of FAM greatly reduced.

巯基探针和荧光探针先退火杂交，然后将杂交双链通标记在纳米金颗粒上，这样拉近了纳米金与荧光基团FAM之间的距离，由于纳米金的猝灭作用，致使FAM的荧光强度大大降低。

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Two-stage sample selection algorithm is proposed to solve the serious imbalance problem between real and pseudo miRNA: miRNA duplexes.

设计并实现了两阶段样本选择方法以解决真/假miRNA：miRNA的不平衡问题。

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