optical isomer

简明释义

旋光异构体

英英释义

例句

1.Chemists utilize optical isomers in the synthesis of many pharmaceuticals.

化学家在合成许多药物时利用光学异构体。

2.The two forms of the drug are actually different optical isomers, which can have very different effects on the body.

这两种药物形式实际上是不同的光学异构体，它们对身体的影响可能截然不同。

3.The process of separating optical isomers is known as chiral resolution.

分离光学异构体的过程称为手性分离。

4.One optical isomer of a compound may be beneficial, while the other could be harmful.

一种化合物的光学异构体可能是有益的，而另一种可能是有害的。

5.In organic chemistry, we often study optical isomers to understand their unique properties.

在有机化学中，我们经常研究光学异构体以理解它们独特的性质。

作文

Optical isomers, also known as enantiomers, are a fascinating aspect of chemistry that play a crucial role in various fields such as pharmaceuticals, agriculture, and food science. These compounds have the same molecular formula and connectivity of atoms but differ in the spatial arrangement of their atoms. This difference in arrangement leads to unique properties and behaviors, particularly in how they interact with polarized light. An optical isomer (光学异构体) can rotate the plane of polarized light either to the right or to the left, which is a characteristic property that distinguishes one enantiomer from another.The concept of optical isomer (光学异构体) arises from the study of chiral molecules—molecules that cannot be superimposed on their mirror images. Think of your hands; your left hand is the mirror image of your right hand, yet they cannot be perfectly aligned on top of each other. Similarly, chiral molecules exist in two forms that are mirror images of each other, and these forms exhibit different optical activities. This property becomes particularly important in the pharmaceutical industry, where one enantiomer may have therapeutic effects while the other may be inactive or even harmful.For example, consider the drug thalidomide, which was initially marketed as a sedative. One enantiomer of thalidomide was effective for treating morning sickness in pregnant women, while the other caused severe birth defects. This tragic incident highlights the importance of understanding optical isomer (光学异构体) and the need for rigorous testing of enantiomers in drug development. Scientists now recognize that the chirality of a molecule can dramatically influence its biological activity, making it imperative to study both forms of an optical isomer (光学异构体).In addition to pharmaceuticals, optical isomers (光学异构体) are also significant in the field of agriculture. Certain pesticides and herbicides are designed to target specific biological pathways in pests or plants. The efficacy of these chemicals can depend on their chirality. For instance, one enantiomer of a pesticide might effectively eliminate a pest, while its counterpart could be less effective or even detrimental to beneficial insects. Thus, understanding the properties of optical isomers (光学异构体) allows chemists and biologists to develop more efficient and environmentally friendly agricultural products.Food science is another area where optical isomer (光学异构体) plays a vital role. The flavor and aroma of certain foods can be attributed to the presence of chiral molecules. For example, the taste of sugar is influenced by its chirality; D-glucose and L-glucose are optical isomers that taste differently. This difference in taste can affect consumer preferences and product formulations. Therefore, food scientists must consider the implications of optical isomer (光学异构体) when developing new flavors and food products.In conclusion, optical isomers (光学异构体) are a critical component of modern science, impacting various industries from pharmaceuticals to agriculture and food science. Their unique properties, stemming from their chiral nature, make them essential for the development of effective and safe products. As research continues to evolve, our understanding of optical isomer (光学异构体) will undoubtedly lead to innovations that improve health, enhance food quality, and promote sustainable practices.