chelate

简明释义

英[ˈkiːleɪt]美[ˈkiˌlet]

n. 螯合物

adj. 螯合的；有螯的

vt. 与（金属）结合成螯合物

复 数 c h e l a t e s

第 三 人 称 单 数 c h e l a t e s

现 在 分 词 c h e l a t i n g

过 去 式 c h e l a t e d

过 去 分 词 c h e l a t e d

英英释义

单词用法

同义词

反义词

例句

1.Both proteins were purified with Nickel chelate affinity chromatography.

经金属螯合层析纯化，获得了高纯度的表达蛋白。

2.NP-type chelate resin beads is used as a carrier of samples in the isotopic measurements of uranium by mass spectrometry.

研究了NP型螯合树脂珠作为质谱样品载体，对铀同位素进行热电离质谱分析的方法。

3.The synthesizing conditions of ferrous glycinate chelate using ferrous chloride and glycine as raw materials were studied in this paper.

以氯化亚铁和甘氨酸为原料，研究了甘氨酸螯合铁的合成工艺条件。

4.One of the important factors to form chelate is there should be enough atoms to coordinate with metal ion.

而要形成螯合物其中有一个因素非常重要，就是金属离子周围必须有足够的原子与它产生配位。

5.The molecular structure and chelate mechanism are discussed.

讨论了它的分子结构和螯合机理。

6.The composity, solubility, IR spectra, autoignition temperature and decomposition temperature of urushiol lanthanum chelate were determined.

制备出漆酚镧螯合物，测定了其组分、溶解性、红外光谱、自燃点、分解温度等性质。

7.In medicine, certain drugs are designed to chelate 螯合 toxic metals from the body.

在医学中，某些药物旨在螯合体内的有毒金属。

8.In agriculture, certain fertilizers are formulated to chelate 螯合 micronutrients for better plant absorption.

在农业中，某些肥料被配制成可以螯合微量元素，以便更好地被植物吸收。

9.Chelating agents can effectively chelate 螯合 calcium and magnesium in water.

螯合剂可以有效地螯合水中的钙和镁。

10.The scientist used a compound that can chelate 螯合 metal ions to enhance the reaction rate.

科学家使用了一种可以螯合金属离子的化合物，以提高反应速率。

11.The process of chelation 螯合反应 is crucial in the treatment of heavy metal poisoning.

在重金属中毒的治疗中，螯合反应的过程至关重要。

作文

In the realm of chemistry, the term chelate refers to a specific type of coordination compound where a metal ion is bonded to a molecule or ion through multiple points. This process is crucial in various biological and environmental systems. For instance, in human biology, certain amino acids and proteins can chelate metal ions, which helps in transporting essential minerals like iron and magnesium throughout the body. The ability of these molecules to chelate metals enhances their solubility and bioavailability, making them more effective in fulfilling their physiological roles.The significance of chelation extends beyond human health; it plays a vital role in agriculture as well. In soil, plants require various micronutrients to thrive, and sometimes these nutrients are not readily available due to their complex interactions with soil particles. By using chelating agents, farmers can improve nutrient uptake by plants. These agents bind to metal ions and prevent them from precipitating out of the solution, thus making them more accessible to plant roots. For example, the use of iron chelate fertilizers can significantly enhance the growth of plants that require iron but struggle to absorb it from the soil.Moreover, the concept of chelation is also pivotal in the field of medicine, particularly in treating heavy metal poisoning. Certain drugs are designed to chelate harmful metals like lead, mercury, and arsenic from the bloodstream. This therapeutic process not only alleviates the toxic burden on the body but also facilitates the excretion of these metals through urine. The clinical application of chelation therapy has been a subject of extensive research, and while it shows promise, it is essential to use it judiciously under medical supervision to avoid potential side effects.In environmental science, chelation serves as a method for remediating contaminated sites. Many pollutants, particularly heavy metals, can bind tightly to soil and sediments, making them difficult to remove. By applying chelating agents, we can mobilize these metals, allowing for easier extraction and reducing their bioavailability, thus minimizing ecological risks. This technique has been employed in various cleanup operations, showcasing the versatility of chelation in addressing environmental challenges.In summary, the concept of chelate is multifaceted, influencing various fields such as biology, agriculture, medicine, and environmental science. Understanding how chelation works provides insight into its importance in enhancing nutrient absorption, treating toxicities, and cleaning up polluted environments. As research continues to evolve, the applications of chelation will likely expand, offering innovative solutions to complex problems we face today. Thus, grasping the significance of chelate is essential for anyone interested in the sciences, as it bridges the gap between theoretical knowledge and practical applications.

在化学领域，术语chelate指的是一种特定类型的配位化合物，其中金属离子通过多个点与分子或离子结合。这一过程在各种生物和环境系统中至关重要。例如，在人体生物学中，某些氨基酸和蛋白质可以chelate金属离子，这有助于在体内运输铁和镁等必需矿物质。这些分子能够chelate金属的能力增强了它们的溶解性和生物利用度，使它们在履行生理功能时更加有效。chelation的重要性不仅限于人类健康；它在农业中也发挥着重要作用。在土壤中，植物需要各种微量元素才能茁壮成长，有时这些营养素由于与土壤颗粒的复杂相互作用而无法被植物直接利用。通过使用螯合剂，农民可以改善植物对营养的吸收。这些剂量与金属离子结合，防止它们从溶液中沉淀，从而使它们更容易被植物根部吸收。例如，使用铁chelate肥料可以显著促进那些需要铁但难以从土壤中吸收的植物的生长。此外，chelation的概念在医学领域同样至关重要，特别是在治疗重金属中毒方面。某些药物旨在chelate血液中的有害金属，如铅、汞和砷。这一治疗过程不仅减轻了身体的毒负担，还促进了通过尿液排泄这些金属。临床应用chelation疗法已成为广泛研究的主题，尽管它显示出前景，但在医疗监督下谨慎使用至关重要，以避免潜在副作用。在环境科学中，chelation作为一种修复污染场地的方法也很重要。许多污染物，特别是重金属，可能紧密结合在土壤和沉积物中，使其难以去除。通过施加螯合剂，我们可以使这些金属动员，从而便于提取并减少其生物可利用性，从而最小化生态风险。这种技术已在各种清理操作中得到应用，展示了chelation在应对环境挑战中的多功能性。总之，chelate的概念是多方面的，影响着生物学、农业、医学和环境科学等多个领域。理解chelation的工作原理提供了对其在增强营养吸收、治疗毒性和清理污染环境中的重要性的洞察。随着研究的不断发展，chelation的应用可能会扩展，为我们今天面临的复杂问题提供创新解决方案。因此，掌握chelate的重要性对于任何对科学感兴趣的人都是必不可少的，因为它弥合了理论知识与实际应用之间的差距。