查询词典 ligand

A recep to r- ligand combination is taken up at one cell surface, transported to the endosome, and then released for transport to the far surface of the cell.

一个受体和配基的结合体在一个细胞表面被吸收，被输送到内吞体，然后被释放为了可以传输到更远的细胞表面。

AIM: To develop a multi-component DNA delivery system which incorporated hepatocyte targeting ligand, DNA compressing domain and endosome disruptive molecule in one complex.

目的：研制含有靶向配基、DNA聚合亚基、溶酶体活性成分及聚乙二醇等多种组分的肝靶向的DNA给药系统。

To further extend the scope of this type Cannizzaro disproportionation reaction and the reactivity of enolate ligand in complex with aldehyde,we designed to synthesis new rare earth complexes containing arylamido and.enolate mixed ligands,studied their reactivity with aromatic aldehydes for the disproportionation reaction.

为了进一步探索这种歧化反应的应用范围及配合物中作为配体的乙烯醇基与醛的反应性，我们设计合成了含胺基、乙烯醇基混合配体的新型稀土配合物，并研究了其与芳香醛的反应。

Thirdly,in the view of some different results between the reaction of complexes(2)、(3)and[(Me_3Si)_2N]_3LnLi_3 with aromatic aldehydes, the reaction of 2 equiv of aromatic aldehydes with 1 equiv of lithium amide(1) catalyzed by the YCl_3 was subsequently studied,and better yields of the corresponding amides and alcohols can be isolated.These results indicated that the enolate ligand in complexes(2)、(3)may have impact on the Cannizzaro disproportionation reaction.

第三，鉴于上述配合物2、3和[(Me_3Si_2)2_N]_3LnLi_3与芳香醛反应结果上的一些差别，我们又以三氯化钇为催化剂，将两当量的芳香醛与一当量化合物1的锂盐直接进行反应，结果以较好的产率得到了相应的酰胺和醇，这说明配合物2、3中所含的乙烯醇基可能对此Cannizzaro-型歧化反应存在一定的影响。

The chelating ability of its enolate anion (TTF-ph-tfac) has been investigated with [MIICl_2·xH_2O] (M = Zn and Co) leading to complexes Zn(TTF-ph-tfac)_2(CH_3OH)_2 (7) and Co(TTF-ph-tfac)_2(CH_3OH)_2 (8), where the metal center is coordinated by two TTF-ph-tfac ligands. This redox active ligand shows promising features for the elaboration of hybrid organic-inorganic building blocks.

具有反铁磁行为的化合物5在110-120K观察到了相转变的发生，是目前已报道的该类化合物中最高的相变温度。3、TTF-ph-tfac烯醇阴离子具有很强的配位能力，与金属氯化物螯合配位分别生成了配合物Zn(TTF-ph-tfac)_2(CH_3OH)_2 (7)和Co(TTF-ph-tfac)_2(CH_3OH)_2 (8)，每个中心金属都桥连两个TTF-ph-tfac配体。

The crystal is monoclinic,space group 〓, the ligand coordinates to Ni acetate in the enolic form,and produces a square complex.

单晶的结构是：晶体属于单斜晶系，空间群为〓，镍原子位于平面四方形配位中心，配体分子是以内式的烯醇式向镍原子配位的。

Erythrina trypsin inhibitor is a Kunitz-type trypsin inhibitor, which inhibits both trypsin and tissue-type plasminogen activator. Immobilized ETI is an effective ligand for the affinity purification of these enzymes.

刺桐胰蛋白酶抑制剂是一种Kunitz型胰蛋白酶抑制剂，能够抑制胰蛋白酶及组织型纤溶酶原激活剂的活性，因此ETI可以作为配体与固定相偶联用于亲和层析。

There are three different superfamilies of extracellularly activated ligand-gated ion channel subunits: nicotinic receptor, ATP gated channels and glutamate activated cationic channels.

其间有三个不同的细胞外激活的配体门控离子通道亚基的超家族，烟碱受体、ATP门控通道受体和谷氨酸激活阳离子通道。

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。

We have synthesized fourdioxotetraamine ligand appended with fluorenyl group and their transition metal complexes.The crystal structures of the complexes were determined by x-ray diffraction. Stability,electrochemistry and switch properties in aqueous solution was studied by pH-potentiometricand fluorimetric titration as well as cyclic voltammetry.

合成了带侧链荧光基团—芴的二氧四胺配体及其过渡金属配合物，测定了过渡金属配合物的晶体结构，研究了他们在水溶液中的稳定性、电化学性质和荧光开关性质。

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。