chelating ligand

简明释义

螯形配合基

英英释义

例句

1.The use of a chelating ligand in the reaction helped to stabilize the metal ion.

在反应中使用螯合配体有助于稳定金属离子。

2.In environmental chemistry, chelating ligands are used to remove heavy metals from wastewater.

在环境化学中，螯合配体用于从废水中去除重金属。

3.A common example of a chelating ligand is ethylenediaminetetraacetic acid (EDTA).

一个常见的螯合配体是乙二胺四乙酸（EDTA）。

4.The formation of a complex with a chelating ligand can enhance the efficacy of drugs.

与螯合配体形成的复合物可以增强药物的效力。

5.Researchers found that the chelating ligand significantly improved the solubility of the compound.

研究人员发现，螯合配体显著提高了化合物的溶解度。

作文

In the realm of chemistry, the term chelating ligand refers to a type of molecule that can form multiple bonds with a single metal ion. This unique property enables chelating ligands to effectively 'grab' onto metal ions, creating stable complexes that are crucial in various chemical processes, including catalysis and biological functions. The significance of chelating ligands extends beyond mere theoretical interest; they play pivotal roles in numerous applications ranging from medicine to environmental science.One of the most notable examples of chelating ligands in action is in the field of medicine, particularly in the treatment of heavy metal poisoning. Compounds such as EDTA (ethylenediaminetetraacetic acid) act as chelating ligands that bind to toxic metals like lead or mercury in the bloodstream. By forming stable complexes with these harmful metals, chelating ligands facilitate their excretion from the body, thereby reducing toxicity and preventing further health complications. This application highlights the importance of chelating ligands in therapeutic settings, showcasing their ability to mitigate the effects of environmental toxins.Moreover, chelating ligands are integral to many biological processes. For instance, hemoglobin, the protein responsible for transporting oxygen in our blood, contains iron ions that are bound by chelating ligands. These ligands ensure that the iron remains in a bioavailable form, allowing it to perform its essential function efficiently. Without the presence of chelating ligands, the iron would not be able to interact properly with oxygen, leading to impaired respiratory function and other serious health issues.In addition to their biological significance, chelating ligands are also vital in industrial applications. In the manufacturing of catalysts, chelating ligands can stabilize metal ions, enhancing their reactivity and selectivity in chemical reactions. For example, in the production of biodiesel, certain metal catalysts require chelating ligands to maintain their efficiency and prolong their lifespan. This application underscores the versatility of chelating ligands across different fields, demonstrating their ability to improve product yields and reduce waste in industrial processes.Furthermore, chelating ligands are essential in environmental chemistry. They are often used to remediate contaminated sites by binding to heavy metals in soil and water, making them less toxic and more manageable. By employing chelating ligands in environmental cleanup efforts, scientists can significantly reduce the risks posed by hazardous materials, ultimately contributing to a healthier ecosystem.In conclusion, the concept of chelating ligands is fundamental to understanding various chemical interactions and processes. Their ability to form stable complexes with metal ions makes them invaluable in medical treatments, biological functions, industrial applications, and environmental remediation. As research continues to explore the potential of chelating ligands, we can expect to see even more innovative uses that will enhance our quality of life and protect our environment. The study of chelating ligands not only enriches our comprehension of chemistry but also emphasizes the interconnectedness of chemical principles and real-world applications.

在化学领域，短语螯合配体指的是一种能够与单个金属离子形成多个键的分子。这种独特的性质使得螯合配体能够有效地“抓住”金属离子，形成稳定的络合物，这在催化和生物功能等各种化学过程中至关重要。螯合配体的重要性超越了单纯的理论兴趣；它们在从医学到环境科学的众多应用中发挥着关键作用。一个最显著的例子是螯合配体在医学领域中的应用，特别是在重金属中毒的治疗中。像EDTA（乙二胺四乙酸）这样的化合物作为螯合配体，能够与血液中的有毒金属如铅或汞结合。通过与这些有害金属形成稳定的络合物，螯合配体促进它们从体内排泄，从而降低毒性，防止进一步的健康并发症。这一应用突显了螯合配体在治疗环境毒素影响中的重要性，展示了它们减轻环境毒素影响的能力。此外，螯合配体在许多生物过程中也是不可或缺的。例如，负责在我们血液中运输氧气的蛋白质血红蛋白，含有由螯合配体结合的铁离子。这些配体确保铁保持在生物可利用的形式，使其能够高效地执行其基本功能。如果没有螯合配体的存在，铁将无法与氧气正确相互作用，导致呼吸功能受损及其他严重健康问题。除了生物学上的重要性，螯合配体在工业应用中也至关重要。在催化剂的制造中，螯合配体可以稳定金属离子，提高其在化学反应中的反应性和选择性。例如，在生物柴油的生产中，某些金属催化剂需要螯合配体来维持其效率并延长其使用寿命。这一应用强调了螯合配体在不同领域的多样性，展示了它们提高产品产量和减少工业过程废物的能力。此外，螯合配体在环境化学中也是必不可少的。它们常用于修复被污染的地点，通过与土壤和水中的重金属结合，使其变得不那么有毒且更易管理。通过在环境清理工作中采用螯合配体，科学家可以显著降低有害物质带来的风险，最终为更健康的生态系统做出贡献。总之，螯合配体的概念对于理解各种化学相互作用和过程是基础的。它们与金属离子形成稳定络合物的能力使得它们在医学治疗、生物功能、工业应用和环境修复中不可或缺。随着研究继续探索螯合配体的潜力，我们可以期待看到更多创新的用途，这将提升我们的生活质量并保护我们的环境。对螯合配体的研究不仅丰富了我们对化学的理解，也强调了化学原理与现实世界应用之间的相互联系。