levorotary

简明释义

英[/ˌlɛvɔˈroʊtəri/]美[/ˌlɛvɔˈroʊtəri/]

adj. 左旋的

英英释义

单词用法

同义词

反义词

例句

1.Methamphetamine exists as two enantiomers, dextrorotary and levorotary.

甲基苯丙胺以右旋和左旋两种对映体形式存在。

2.Methamphetamine exists as two enantiomers, dextrorotary and levorotary.

甲基苯丙胺以右旋和左旋两种对映体形式存在。

3.The compound was found to be levorotary, meaning it rotates plane-polarized light to the left.

该化合物被发现是左旋的，意味着它将平面偏振光向左旋转。

4.In the lab, we tested the levorotary isomer of the drug for its efficacy.

在实验室，我们测试了该药物的左旋异构体以评估其疗效。

5.Many natural sugars are levorotary, which is important in biochemistry.

许多天然糖类是左旋的，这在生物化学中非常重要。

6.The levorotary form of the molecule was preferred due to its higher activity.

由于活性更高，该分子的左旋形式被优先选择。

7.Chemists often distinguish between levorotary and dextrorotary compounds in their research.

化学家们在研究中经常区分左旋和右旋化合物。

作文

In the realm of chemistry and physics, understanding the properties of molecules is crucial for various applications, from drug design to materials science. One such property is the direction in which a molecule rotates plane-polarized light. Molecules can be classified as either dextrorotary or levorotary based on this characteristic. Dextrorotary substances rotate light to the right, while levorotary substances rotate light to the left. This distinction is not just a trivial detail; it holds significant implications for the behavior and interaction of different compounds. To comprehend the importance of levorotary molecules, consider the example of amino acids, the building blocks of proteins. Among the twenty standard amino acids, some are levorotary, meaning they rotate light in a leftward direction. For instance, the amino acid L-alanine exhibits levorotary properties. The chirality of these molecules is essential because it influences how they interact with enzymes and receptors in biological systems. The left-handed form of amino acids is typically the one utilized by living organisms, demonstrating the significance of levorotary molecules in biochemistry. Furthermore, the concept of levorotary extends beyond amino acids to other organic compounds, including sugars. D-glucose, a common sugar, is dextrorotary, whereas its mirror image, L-glucose, is levorotary. This difference in optical activity can affect how these sugars are metabolized in the body. In pharmaceuticals, the levorotary form of a drug may have different therapeutic effects compared to its dextrorotary counterpart. This phenomenon underscores the importance of stereochemistry in drug development, where the wrong enantiomer could lead to ineffective treatment or adverse side effects. The study of levorotary compounds also contributes to our understanding of natural phenomena. For instance, certain plants produce levorotary compounds that can repel pests or attract pollinators. These natural products often exhibit unique properties due to their chiral nature. Researchers are increasingly interested in harnessing these compounds for sustainable agricultural practices or developing new materials with specific optical properties. In conclusion, the term levorotary refers to a critical aspect of molecular chemistry that has far-reaching implications across various fields, including biology, pharmacology, and environmental science. Understanding the behavior of levorotary substances allows scientists to manipulate molecular interactions for desired outcomes, whether in drug formulation or the development of new materials. As we continue to explore the complexities of molecular behavior, the significance of levorotary compounds will undoubtedly remain a vital area of research, paving the way for advancements in science and technology. In summary, levorotary encompasses not only a fundamental property of molecules but also serves as a gateway to innovations in multiple disciplines, highlighting the intricate relationship between molecular structure and function.

在化学和物理学的领域中，理解分子的性质对于各种应用至关重要，从药物设计到材料科学。其中一个这样的性质是分子旋转平面偏振光的方向。根据这一特征，分子可以被分类为右旋（dextrorotary）或左旋（levorotary）。右旋物质向右旋转光，而左旋（levorotary）物质则向左旋转。这一区别并不是一个微不足道的细节；它对不同化合物的行为和相互作用具有重要意义。 为了理解左旋（levorotary）分子的意义，可以考虑氨基酸的例子，这些是蛋白质的构建块。在二十种标准氨基酸中，有一些是左旋（levorotary）的，这意味着它们以左旋方向旋转光。例如，L-丙氨酸表现出左旋（levorotary）的性质。这些分子的手性至关重要，因为它影响它们在生物系统中与酶和受体的相互作用。氨基酸的左手形式通常是生物体所利用的，这表明左旋（levorotary）分子在生物化学中的重要性。 此外，左旋（levorotary）的概念不仅限于氨基酸，还扩展到其他有机化合物，包括糖。D-葡萄糖是一种常见的糖，是右旋的，而其镜像形式L-葡萄糖则是左旋（levorotary）的。这种光学活性的差异会影响这些糖在体内的代谢。在制药领域，药物的左旋（levorotary）形式可能与其右旋对应物具有不同的治疗效果。这一现象突显了立体化学在药物开发中的重要性，错误的异构体可能导致治疗无效或不良反应。 左旋（levorotary）化合物的研究也有助于我们理解自然现象。例如，某些植物产生左旋（levorotary）化合物，可以驱赶害虫或吸引授粉者。这些天然产物由于其手性特性，往往表现出独特的性质。研究人员越来越感兴趣于利用这些化合物进行可持续农业实践或开发具有特定光学性质的新材料。 总之，术语左旋（levorotary）指的是分子化学中的一个关键方面，它在生物学、药理学和环境科学等多个领域具有深远的影响。理解左旋（levorotary）物质的行为使科学家能够操控分子相互作用以实现期望的结果，无论是在药物配方还是新材料的开发中。随着我们继续探索分子行为的复杂性，左旋（levorotary）化合物的重要性无疑将仍然是一个重要的研究领域，为科学和技术的进步铺平道路。 总之，左旋（levorotary）不仅包含分子的一个基本属性，而且作为多个学科创新的门户，突显了分子结构与功能之间错综复杂的关系。