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- Geminiviruses are plant viruses characterized by having small circular single-stranded DNA (ssDNA) genomes, encapsidated in twinned icosahedral particles. 双生病毒是植物病毒中唯一一类具有孪生颗粒形态的单链环状DNA病毒,已在多种重要经济作物上引起危害。
- Phagemid with polylinker in lacZ' for production of ssDNA. 相关说明: vector permitting production of single-stranded DNA ;
- This part provides two efficiency methods for ssDNA immobilization. 该研究为单链DNA的固定提供了有效的新方法。
- The last of these figures known to Plato is the icosahedron. 柏拉图知道的最后一个这种构形是正二十面体。
- The capsids of nearly all spherical viruses adopt icosahedral symmetry. 球状病毒衣壳采用二十面体对称。
- The sphericity formula of icosahedral viruses has been derived and calculated. 本文根据形态计量学原理,对正廿面体病毒的圆球度进行了推导和计算。
- Viral ssDNA and dsDNA forms were present in SPV infected cynomolgus cells as well as in human cells. DNA酶(DNase)处理, 逆转录后在猕猴骨髓培养中仅可观察到一810 bp产物, 提示这并不是由用于感染的SPV DNA所导致。
- The oxidation peak heights were linear with the concentrations of adenine and ssDNA in the suitable range. 此种碳糊电极对腺嘌呤和DNA的吸附能力大大增强,用微分脉冲伏安法可得到灵敏的氧化峰,氧化峰的电流值与其浓度在一定范围内呈良好的线性关系;
- The hepatitis B virus (HBV) is an enveloped DNA virus with an icosahedral nucleocapsid. 人类B型肝炎病毒是带有外套膜的DNA病毒,内有一个二十面体的核心颗粒。
- Here we report the first X-ray structure of LHC-II in icosahedral proteoliposome assembly at atomic detail. 我们有大约7000种不同的语言和许多种不同的生活方式。
- DNA renaturation :Removing the denaturation factors or in proper condition the denatured DNA (ssDNA) restore native structure (dsDNA) and function. DNA变性后,生物活性丧失,但一级结构没有改变,所以在一定条件下仍可恢复双螺旋结构。
- As an important and necessary role in electrochemical DNA biosensors, the immobilization of ssDNA on electrode is of great significance. 作为DNA电化学生物传感器中不可或缺的重要环节,单链DNA在电极上的固定化研究具有十分重要的意义。
- It was indicated that structural protein of icosahedral viruses capsid in fact take on various conformations. 摘要二十面体病毒衣壳结构蛋白具有不同的构象。
- This paper deals with concerns the construction of an icosahedral quasilattice by the cut and project method. 用切割投影法研究了二十面体准点阵结构。
- An unresolved problem of the clamp loader was that it had to "flip up" when it loads the ssDNA emerging from the helicase with a clamp. 一个与夹子装载系统有关的不确定问题,是当其装载单链DNA时,会将其连同一个夹子“上抛”。
- Z. Zhang, M. Wollgarten and K. Urban, "Analysis of dislocations in icosahedral Al-Cu-Fe alloy by transmission electron microscopy", Phil. Mag. Lett., 61 (1990) 125-131. “铝铜铁二十面体准晶中位错的透射电子显微学分析”;(英国).
- The results indicated that the electrochemically pretreated CPE could accumulate adenine and ssDNA by effective adsorption and produce sensitive differential pulse peaks. 实验结果表明,用电化学方法预处理的碳糊电极制作过程简单,效果明显;
- "Satellite Tobacco Mosaic Virus is a small, icosahedral plant virus which worsens the symptoms of infection by Tobacco Mosaic Virus (TMV). "卫星烟草花叶病毒是一个很小的,二十面体植物病毒,其中恶化感染的症状,由烟草花叶病毒( tmv ) 。
- For example, single strand DNA (ssDNA) binding proteins that cap the exposed bases were left out, since they would have obscured viewing what is going on. 比如说,单链DNA上,被附加在裸露碱基上的蛋白质帽子被省略了,因为它们将使场景中正在展示的过程变得不明显。
- A general algorithm which describes different DGGSs with a uniform framework on an unfolded icosahedron is introduced. 文中论述的算法在二十面体展开图上建立坐标系描述不同剖分产生的多分辨率网格,利用施奈德多面体投影映射到球面。