chelators

简明释义

英[ˈkiː.leɪ.təz]美[ˈkiː.leɪ.tɚz]

n. 螯合剂（chelator 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.The results show that La mainly combines with cell wall material and the combination is extremely firm and it can only be released by powerful chelators, such as EDTA.

研究结果表明，镧被根吸收以后主要存在于细胞壁和细胞间隙中，且结合十分紧密，用强配位剂EDTA才能将其提取出来。

2.ALA is the only one of the common chelators which crosses the blood-brain-barrier, so you need to use ALA at some point in order to clear mercury from the brain.

ALA是常用螯合剂中唯一能够穿越血-脑屏障的一种螯合剂。所以你应该在一定阶段使用ALA以清除大脑中的汞。

3.The results show that La mainly combines with cell wall material and the combination is extremely firm and it can only be released by powerful chelators, such as EDTA.

研究结果表明，镧被根吸收以后主要存在于细胞壁和细胞间隙中，且结合十分紧密，用强配位剂EDTA才能将其提取出来。

4.Under iron-limited conditions, marine microorganisms are able to secrete low-molecular-weight, highly specific iron chelators termed siderophores .

在铁限制条件下，进行东海原甲藻分泌铁载体的动态研究。

5.This is an excellent, powerful liquid cleanser. It contains organic and inorganic synthesized detergent, chelators and ow-release additives.

本品是一种优良、强力的液体清洁剂，内含有机及无机合成洗涤剂、络合剂、缓释剂等成分。

6.Research shows that chelators can be effective in treating certain types of poisoning.

研究表明，螯合剂在治疗某些类型的中毒方面是有效的。

7.Doctors often prescribe chelators to help remove heavy metals from the body.

医生常常开处方螯合剂来帮助清除体内的重金属。

8.In agriculture, chelators are used to improve nutrient availability in soil.

在农业中，螯合剂用于改善土壤中的养分可用性。

9.The use of chelators in medicine has increased due to rising pollution levels.

由于污染水平上升，医学中使用螯合剂的情况增加了。

10.Some chelators can bind to iron, preventing its oxidation.

某些螯合剂可以与铁结合，防止其氧化。

作文

Chelators play a critical role in various biochemical processes and have significant applications in medicine and environmental science. The term 'chelators' refers to compounds that can form multiple bonds with a metal ion, effectively 'grabbing' it and preventing it from participating in unwanted reactions. This characteristic is particularly useful in the treatment of heavy metal poisoning, where chelators can bind to toxic metals like lead or mercury and facilitate their excretion from the body. For instance, the chelator EDTA (ethylenediaminetetraacetic acid) is commonly used in clinical settings to treat patients exposed to high levels of these metals. In addition to medical applications, chelators are also crucial in agriculture and industry. In agriculture, certain chelators are used to improve the availability of essential nutrients to plants. For example, iron chelates help prevent iron deficiency in crops by ensuring that iron remains soluble and accessible in the soil. This enhances plant growth and productivity, which is vital for food security. Furthermore, in industrial processes, chelators are employed to control metal ions in various products, such as detergents and cosmetics. By binding with metal ions, chelators can prevent the formation of unwanted precipitates and maintain the stability of formulations. This aspect is particularly important in the production of high-quality products that require precision and consistency. Moreover, chelators have significant implications for environmental remediation. They can be used to extract heavy metals from contaminated soils and water sources, thereby reducing pollution and restoring ecosystems. For example, researchers are exploring the use of biodegradable chelators that can effectively clean up polluted sites without causing further harm to the environment. However, while chelators offer numerous benefits, it is essential to consider their potential risks. Some chelators can also bind to essential trace metals, leading to deficiencies if not used carefully. Therefore, the application of chelators must be managed judiciously to ensure that they provide more benefits than drawbacks. In conclusion, the role of chelators in various fields underscores their importance in both health and environmental contexts. Their ability to bind metal ions makes them invaluable tools in medicine, agriculture, industry, and environmental science. As research continues to advance, we can expect to see even more innovative uses for chelators, enhancing our ability to manage metal ions effectively and sustainably. Understanding the mechanisms and applications of chelators will be crucial for future developments in these areas, highlighting the need for ongoing education and research in this fascinating field.

螯合剂在各种生化过程中发挥着关键作用，并在医学和环境科学中具有重要应用。术语“chelators”指的是能够与金属离子形成多重键的化合物，有效地“抓住”它并防止其参与不必要的反应。这一特性在重金属中毒的治疗中尤其有用，螯合剂可以与铅或汞等有毒金属结合并促进其从体内排出。例如，螯合剂EDTA（乙二胺四乙酸）通常用于临床治疗暴露于高水平这些金属的患者。除了医学应用，螯合剂在农业和工业中也至关重要。在农业中，某些螯合剂用于提高植物对必需营养素的可利用性。例如，铁螯合剂通过确保土壤中的铁保持可溶和可接近，帮助防止作物的铁缺乏。这增强了植物的生长和生产力，这对于粮食安全至关重要。此外，在工业过程中，螯合剂被用于控制各种产品中的金属离子，例如洗涤剂和化妆品。通过与金属离子结合，螯合剂可以防止形成不必要的沉淀物，并维持配方的稳定性。这一方面在生产需要精确和一致性的高质量产品时尤为重要。而且，螯合剂在环境修复中具有重要意义。它们可以用于从受污染的土壤和水源中提取重金属，从而减少污染并恢复生态系统。例如，研究人员正在探索使用可生物降解的螯合剂，这些螯合剂可以有效清理被污染的地点，而不会对环境造成进一步的伤害。然而，尽管螯合剂提供了许多好处，但考虑其潜在风险也很重要。一些螯合剂也可以与必需的微量金属结合，如果不谨慎使用，可能导致缺乏。因此，螯合剂的应用必须谨慎管理，以确保它们提供的益处大于缺点。总之，chelators在各个领域的角色凸显了它们在健康和环境背景中的重要性。它们结合金属离子的能力使它们成为医学、农业、工业和环境科学中不可或缺的工具。随着研究的不断进展，我们可以期待看到更多创新的螯合剂用途，增强我们有效和可持续管理金属离子的能力。理解chelators的机制和应用对未来在这些领域的发展至关重要，强调了在这一迷人领域中持续教育和研究的必要性。