多分子的

Objective:To explore the changes of plasma Lysophatisic acid level in patients with transient ischemic attacks or cerebric infrction. And to value the effect of those in the formation and progress of those diseases.

溶血磷脂酸是磷脂中的一种小分子物质，是磷脂生物合成早期阶段的关键性前体，在体内的信号传递中起着十分重要的作用，因此被称为多功能&磷脂信使&［1］。

The result showed that assignment success of the progeny to their 'true'mother and father was 88% and 78% respectively, which were lower than predicted by the Cervus simulations.

随着以PCR为基础的DNA分子技术的兴起，微卫星作为一种多态性丰富的共显性标记，符合孟德尔遗传规律，在动植物遗传育种中得到了广泛的应用。

Objective: To explore the role of hypoxia-inducible factor-1α(HIF-1α) in formation of multidrug resistance induced by microenvironment and to find a new and effective molecular target on preventing and reversing chemoresistance in hepatocellular carcinoma.

目的探讨缺氧诱导因子1α(HIF-1α)在微环境诱导的肝癌多药耐药表型形成过程中的作用和地位，并为预防和逆转肝癌耐药提供有效的新的分子靶点。

Many methods for making nanoscale materials were developed in the past few years, such as colloidal crystallization, monolayer deposition, multiplayer casting, molecular crosslinking, complementary interaction, patterned etch pits, template-mediated and DPN, most of these are complicated and costive.

在过去的几年中，合成纳米复合材料的方法已取得了极大的进展，如胶体结晶法、单层膜沉积法、多层膜浇铸法、分子交联法、互补反应法、图形刻蚀法、模板化学法、DPN法等，但是这些方法大多操作耗时、费力。

A set of in situ infrared apparatus which can beoperated at liquid nitrogen temperature is established. The structuralstudies of polyhydride of Ruthenium is carried out from roomtemperature to liquid nitrogen temperature. The structural conversion of〓 between dihydrogen and dihydride is observed firstly. It issuggested that with temperature changing, a fluxional structureconversion between terminal and bridged hydrogen appears. NMR studyand DV-Xα calculation are performed in this paper.

建立了可至液氮温度的原位红外测试装置，进行了室温至液氮温度区间钌多氢化合物的结构研究，首次发现了〓在室温存在分子氢与原子氢的结构流变，发现了新化合物存在随温度变化而出现桥氢与端氢的结构转化；进行了NMR测试及DV—〓计算。

With the development of molecular biology, based on yeast two-hybrid, many techniques such as yeast one-hybrid, reverse two-hybrid, three-hybrid, and extranuclear two-hybrid were set up to be applied in the research on the interaction between protein-protein, protein-DNA, protein-RNA, and protein-ligand.

随着分子生物学的发展，在酵母双杂交的基础上又建立起了酵母单杂、反向双杂交、三杂交及核外双杂交等多项技术，并已经成功地运用于蛋白质之间、蛋白质与DNA、RNA和配体之间相互作用的研究。

In the biological functionaddition, both biochanin A and hesperitin might inhibited the colony -formation forming ability of K562 cells through up-regulated Notch signaling. Besides,The treatment with biochanin A and hesperitin enhanced the erythroid-differentiation of K562 cells. It is important to investigate Tthe molecular mechanisms of biochanin A and hesperitin to regulate the endogenous CBF1-dependent Notch signaling will be further investigated.

在生物功能方面，biochanin A与hesperitin可能经由Notch讯息传导的活化，抑制了K562细胞群落的形成，除此之外，这两种药物均明显促进K562细胞往红血球分化。biochanin A与hesperitin对於CBF1所媒介之内生性Notch讯息传导的分子调控机制仍有许多问题尚未厘清，需要更多的实验与研究来讨论。

In the current study, we have detected the mtDNA mutation in lung cancer, investigated the correlation between the mtDNA mutations and carcinogenesis, and explored the possibility of mtDNA mutations as a biomarker. We also analyzed the reasons for the homoplasmic mutations of mtDNA.

为了探讨mtDNA突变在肺癌发生中的意义、mtDNA突变在肺癌早期诊断中作为分子标记的可能性以及mtDNA多态性与肺癌易感性的关系，我们检测了肺癌mtDNA突变，分析了肿瘤中mtDNA同质性突变的形成原因。

The expression of VEGFmRNA was valued by in situ hybridation method and the expression of Fit-1 and MV count was investigated by using immunohistochemical method.

应用原位分子杂交方法研究VEGFmRNA的表达，应用免疫组化方法研究Flt-1表达及MV的计数。结果：增生性瘢痕和瘢痕疙瘩组织中MV数目多於正常皮肤和扁平瘢痕组织中的MV数目。

The result ofpairwise Fst and Neutrality tests revealed significant genetic differentiation amongfour populations,and evolution of mtDNA COI gene incompliance with the Neutralitytheory.The genetic distance was the biggest between HEB and JXL,and was thesmallest between SDT and JXL among the 4 populations.

遗传多样性研究采用了线粒体DNA COI基因序列、RAPD和PCR-RFLP三种分子标记研究大猿叶甲4个地理种群的遗传结构和群体遗传多样性。1、对长约335bp的mtDNA COI片段进行序列分析，在4个群体64个个体中，共发现37个单倍型，总变异位点35个，多态位点29个，含量(63.68％)大于含量(36.32％)。4个地理种群的核苷酸多样性指数分别为，0.082、0.035、0.099、0.186。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。