ligands
简明释义
n. [化学]配体（ligand 的复数形式）
英英释义
单词用法
金属-配体复合物 | |
配体场理论 | |
双齿配体 | |
强配体 | |
弱配体 | |
螯合配体 |
同义词
反义词
| 受体 | The receptors on the cell surface bind to ligands to initiate a response. | 细胞表面的受体与配体结合以启动反应。 | |
| 抑制剂 | Inhibitors can block the action of ligands at the target site. | 抑制剂可以阻止配体在靶位点的作用。 |
例句
1.In addition, these ligands showed higher activity than thioether deveritives of phenyl oxazolines.
而且和苯环衍生的硫恶唑啉相比反应活性相对较高。
2.Natural killer group 2 member d, its ligands, and liver disease: Good or bad?
自然杀伤细胞2族成员d及其配体与肝脏疾病：好还是坏？
3.One important aspect in correlation between structure and function is the ability of recognition and bond between proteins and ligands.
蛋白质结构与功能间关系的一个重要方面是蛋白质与配体的识别和结合能力问题。
4.In present article the feature of ligands combined with gelatin -calcium is studied by UV spectrometry and gel filter-AAS method.
本文用紫外吸收光谱法和凝胶过滤——原子吸收光谱法研究了明胶钙结合配体的特征。
5.Some chiral diols were also investigated as the ligands, with those derived from indene exhibiting better enantioselectivity.
又考察一些手性二醇配体，其中，茚衍生的配体有着较好的手性诱导性能。
6.One important aspect in correlation between structure and function is the ability of recognition and bond between proteins and ligands.
蛋白质结构与功能间关系的一个重要方面是蛋白质与配体的识别和结合能力问题。
7.Effects of rare earth metal salts with different ligands and amount of the catalyst on the reaction were studied.
考察了催化剂用量和带有不同配体的稀土金属催化剂对反应的影响。
8.Synthesis of the bis(imino)pyridine ligands.
双亚胺吡啶配体的合成。
9.Metal ions can act as ligands in coordination compounds.
金属离子可以作为配位化合物中的配体。
10.Research on ligands has led to the development of new drugs.
对配体的研究促成了新药的开发。
11.Some ligands can change their shape upon binding to a target molecule.
某些配体在与靶分子结合时可以改变其形状。
12.In biochemistry, ligands are molecules that bind to a receptor to trigger a response.
在生物化学中，配体是与受体结合以触发反应的分子。
13.The interaction between ligands and enzymes is crucial for metabolic processes.
在代谢过程中，配体与酶之间的相互作用至关重要。
作文
In the fascinating world of chemistry, the term ligands (配体) plays a crucial role in the formation of coordination compounds. A ligand is defined as an atom, ion, or molecule that donates a pair of electrons to a central metal atom to form a coordination complex. This interaction is fundamental in various chemical processes and has significant implications in fields such as biochemistry, catalysis, and materials science.To understand the importance of ligands (配体), we must first explore their classification. Ligands can be classified based on their donor atoms. For instance, monodentate ligands (单齿配体) have a single donor atom that binds to the central metal, while bidentate ligands (双齿配体) possess two donor atoms capable of binding simultaneously. This ability to bind through multiple sites often leads to more stable complexes, which is essential in many biological systems.One of the most well-known examples of ligands (配体) in biological systems is hemoglobin, a protein responsible for transporting oxygen in the blood. In hemoglobin, the iron atom at the center is coordinated with a heme group, which acts as a ligand (配体). The heme group contains a nitrogen atom that donates a pair of electrons to the iron, allowing for the reversible binding of oxygen. This intricate relationship between ligands and metal ions is vital for the efficient transport of oxygen throughout the body.Moreover, ligands (配体) are also pivotal in catalysis, where they facilitate chemical reactions. Transition metals, when coordinated with specific ligands (配体), can lower the activation energy required for a reaction, thus enhancing reaction rates. For example, in the Haber process used for ammonia synthesis, iron serves as a catalyst, and its efficiency is significantly influenced by the presence of certain ligands (配体) that stabilize the transition state.Furthermore, the design and synthesis of new ligands (配体) have become a significant area of research in modern chemistry. Chemists aim to create ligands (配体) with specific properties to achieve desired reactivity and selectivity in chemical reactions. This pursuit has led to the development of novel materials for applications ranging from drug delivery systems to advanced catalysts for industrial processes.In conclusion, the concept of ligands (配体) is essential for understanding the interactions between metal ions and molecules in various chemical contexts. From the biological significance in hemoglobin to the catalytic applications in industrial processes, ligands (配体) play a vital role in shaping the behavior of coordination complexes. As research continues to advance, the exploration of new ligands (配体) will undoubtedly lead to innovative solutions to some of the most pressing challenges in chemistry and related fields.
在迷人的化学世界中，术语ligands（配体）在配位化合物的形成中起着至关重要的作用。Ligand被定义为一个原子、离子或分子，它向中心金属原子捐赠一对电子，以形成配位络合物。这种相互作用在各种化学过程中是基础，并且在生物化学、催化和材料科学等领域具有重要意义。要理解ligands（配体）的重要性，我们首先必须探索它们的分类。Ligands可以根据其供体原子进行分类。例如，单齿ligands（单齿配体）只有一个供体原子与中心金属结合，而双齿ligands（双齿配体）则具有两个能够同时结合的供体原子。这种通过多个位点结合的能力通常会导致更稳定的络合物，这在许多生物系统中是必不可少的。在生物系统中，最著名的ligands（配体）之一是血红蛋白，一种负责在血液中运输氧气的蛋白质。在血红蛋白中，中心的铁原子与一个血红素基团配位，该基团作为ligand（配体）。血红素基团包含一个氮原子，它向铁捐赠一对电子，从而允许氧气的可逆结合。这种ligands与金属离子之间的复杂关系对于有效地运输氧气至关重要。此外，ligands（配体）在催化中也至关重要，它们促进化学反应。当过渡金属与特定的ligands（配体）配位时，可以降低反应所需的活化能，从而增强反应速率。例如，在用于氨合成的哈伯法中，铁作为催化剂，其效率受到某些稳定过渡态的ligands（配体）存在的显著影响。此外，新ligands（配体）的设计和合成已成为现代化学研究的一个重要领域。化学家们旨在创造具有特定性质的ligands（配体），以实现化学反应中的所需反应性和选择性。这一追求导致了新材料的发展，应用范围从药物输送系统到工业过程中的先进催化剂。总之，ligands（配体）的概念对于理解金属离子与分子之间在各种化学背景下的相互作用至关重要。从血红蛋白中的生物学意义到工业过程中的催化应用，ligands（配体）在塑造配位络合物的行为方面发挥着重要作用。随着研究的不断推进，新ligands（配体）的探索无疑将为解决化学及相关领域的一些最紧迫挑战提供创新解决方案。
