bidentate

简明释义

英[baɪˈdenteɪt]美[baɪˈdenteɪt]

adj. 双齿的；双配位基的

英英释义

单词用法

同义词

反义词

例句

1.To observe the effect of the nonunion of humeral shaft fracture treated by bidentate intramedullary locking nails.

探讨分叉交锁髓内钉治疗肱骨干骨折不愈合的疗效。

2.The definition of cis, trans-isomers for monodentate ligands has been extended to complexes containing two bidentate ligands.

我们把单齿配体配合物顺反异构体的定义推广到含两个二齿配体的配合物。

3.The latter process involves the expulsion of the neutral species (N, O-bidentate ligands), accompanied by hydrogen migration.

后者涉及氢转移的同时逐出中性分子碎片（N，O-双齿配体）。

4.Self assembly of aryl group containing flexible bidentate ligands with metal ions gives rise to many types of novel structures because of their variable coordination modes.

芳基柔性二齿配体的配位构型多变，使得其金属配合物的结构丰富多彩。

5.Bidentate ligands with the property of hemilability have attracted chemists' research interests and have been widely applied in many palladium-catalyzed transformations.

近年来，双齿配体因具有半配位效应而引起广泛关注并在钯催化的多种反应中得到应用。

6.Self assembly of aryl group containing flexible bidentate ligands with metal ions gives rise to many types of novel structures because of their variable coordination modes.

芳基柔性二齿配体的配位构型多变，使得其金属配合物的结构丰富多彩。

7.A common example of a bidentate ligand is oxalate, which can bond to a metal ion at two sites.

一个常见的双齿配体例子是草酸盐，它可以在两个位点与金属离子结合。

8.The bidentate nature of ethylenediamine allows it to form stable complexes with transition metals.

乙二胺的双齿特性使其能够与过渡金属形成稳定的络合物。

9.When designing catalysts, chemists often utilize bidentate ligands for their ability to stabilize metal ions.

在设计催化剂时，化学家们通常利用双齿配体来稳定金属离子。

10.In coordination chemistry, a ligand that can attach to a metal center through two points is referred to as a bidentate.

在配位化学中，可以通过两个点连接到金属中心的配体被称为双齿配体。

11.The bidentate binding mode can enhance the reactivity of metal complexes in organic reactions.

这种双齿结合模式可以增强金属络合物在有机反应中的反应性。

作文

In the realm of chemistry, the term bidentate refers to a type of ligand that can form two bonds to a central metal atom or ion. This property is crucial in coordination chemistry, where the formation of complex compounds plays a significant role. The unique structure of bidentate ligands allows them to stabilize metal ions more effectively compared to monodentate ligands, which only attach through a single site. Understanding the behavior of bidentate ligands not only enhances our knowledge of chemical bonding but also has practical applications in various fields, including catalysis, materials science, and medicine.One classic example of a bidentate ligand is ethylenediamine (en), which contains two amine groups that can coordinate to a metal center. When ethylenediamine binds to a metal ion, it forms a chelate, a stable ring structure that significantly increases the stability of the complex. This chelation effect is vital in many biological systems; for instance, hemoglobin utilizes a bidentate ligand to bind oxygen efficiently, ensuring that our bodies receive the necessary oxygen for survival.The importance of bidentate ligands extends beyond biology. In industrial processes, they are often used in the synthesis of various compounds. For example, in the production of pharmaceuticals, bidentate ligands can facilitate reactions by stabilizing reactive intermediates, leading to higher yields and purer products. Additionally, in environmental chemistry, bidentate ligands can help in the remediation of heavy metal pollutants by forming stable complexes that prevent these metals from causing harm to ecosystems.Moreover, the design and synthesis of new bidentate ligands have become a significant area of research. Chemists are continually exploring ways to create ligands with specific properties tailored for particular applications. This includes adjusting the size, shape, and electronic properties of the ligands to enhance their binding affinity and selectivity towards certain metal ions. Such innovations could lead to advancements in drug delivery systems, where bidentate ligands can help target specific cells or tissues in the body, improving the efficacy of treatments while minimizing side effects.In conclusion, the concept of bidentate ligands is fundamental in understanding coordination chemistry and its applications. From biological systems to industrial processes, the ability of a ligand to bind through two sites provides enhanced stability and functionality. As research continues to evolve, the potential for new bidentate ligands to revolutionize various fields remains vast. By grasping the significance of bidentate ligands, we can appreciate the intricate connections between chemistry and the world around us, paving the way for future innovations that could benefit society as a whole.

在化学领域，术语bidentate指的是一种配体，它可以与中心金属原子或离子形成两个键。这一特性在配位化学中至关重要，在该领域，复杂化合物的形成发挥着重要作用。bidentate配体独特的结构使其能够比单齿配体更有效地稳定金属离子，后者仅通过一个位点附着。理解bidentate配体的行为不仅增强了我们对化学键合的认识，而且在催化、材料科学和医学等多个领域具有实际应用。一个经典的bidentate配体的例子是乙二胺（en），它含有两个氨基，可以与金属中心配位。当乙二胺与金属离子结合时，会形成一个螯合物，这是一种稳定的环状结构，显著提高了复合物的稳定性。这种螯合效应在许多生物系统中至关重要；例如，血红蛋白利用bidentate配体有效地结合氧气，确保我们的身体获得生存所需的氧气。bidentate配体的重要性超越了生物学。在工业过程中，它们通常用于合成各种化合物。例如，在制药生产中，bidentate配体可以通过稳定反应中间体来促进反应，从而提高产率和产品纯度。此外，在环境化学中，bidentate配体可以通过形成稳定的络合物帮助去除重金属污染物，从而防止这些金属对生态系统造成伤害。此外，新的bidentate配体的设计和合成已成为一个重要的研究领域。化学家们不断探索创造具有特定性质的新配体的方法，以针对特定应用。这包括调整配体的大小、形状和电子特性，以增强它们对某些金属离子的结合亲和力和选择性。这种创新可能会推动药物递送系统的发展，其中bidentate配体可以帮助靶向身体中的特定细胞或组织，提高治疗的有效性，同时最小化副作用。总之，bidentate配体的概念在理解配位化学及其应用中是基础性的。从生物系统到工业过程，配体通过两个位点结合的能力提供了增强的稳定性和功能性。随着研究的不断发展，新bidentate配体在各个领域革命化的潜力依然巨大。通过掌握bidentate配体的重要性，我们可以欣赏化学与周围世界之间错综复杂的联系，为未来创新铺平道路，这些创新可能会使整个社会受益。