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[Chemical Knowledge]：Exploring the uses of cesium, from time standards to medical treatment

Read： 472 Time：17months ago Source：Transform the World with Simplicity

Cesium is a chemical element that belongs to the alkali metal and has an atomic number of 55. Its existence is very common, rarely in the form of simple substance in nature, often with other elements to form compounds. Although the use of cesium is involved in many fields, time standards and medical treatment are still the two most important fields. In terms of

time standard, cesium is a very stable element and has a very clear radiation frequency, so people use the radiation frequency of cesium to make clocks as time standards. It is mainly realized through the "hyperfine structure" of cesium atoms. This structure includes a highly stable oscillator and a sample chamber for collecting cesium, so that the standard time can be output to applications in different fields, such as navigation, aerospace, There are applications in communications, finance and other industries. In

medicine, cesium is mainly used in the fields of photoelectric detection and fluorescent probes, among which photoelectric detection is mainly used to detect and treat cancer. The high density of cesium element and good detection chamber efficiency make it an important material in the field of γ-ray detection. Fluorescent probe is a new type of material that combines some of the characteristics of cesium, making it widely used in molecular diagnostics, cell imaging, fluorescent biological probes, biosensors and other fields.

In the process of drug synthesis, cesium ion is used as "cesium salt" and has a good application in catalyst, including ethylene oxide addition reaction, Michael-Addition reaction, aldol reaction and many other key steps in traditional organic reactions. These methods are becoming more and more important in modern chemical synthesis because they are able to accomplish tasks that other socket agents cannot or are difficult to accomplish, leading to shocking new drugs.

In general, cesium, as an important element, has a wide range of applications in many fields. Whether in the time standard, medical, photoelectric detection, fluorescent probe and other fields, the use of cesium has been strongly verified. In the future, it is believed that it will play an increasingly important role, bringing more surprises and discoveries to mankind.

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