dextrorotary

简明释义

[ˌdekstrəˈrəʊtərɪ][ˌdekstrəˈrotəri]

adj. 右旋性的

n. 右旋物

英英释义

Referring to a substance that rotates plane-polarized light in a clockwise direction.

指一种物质以顺时针方向旋转平面偏振光。

单词用法

dextrorotary sugar

右旋糖

dextrorotary compound

右旋化合物

dextrorotary isomer

右旋异构体

dextrorotary and levorotary

右旋和左旋

dextrorotary optical activity

右旋光学活性

dextrorotary rotation

右旋转

同义词

dextrorotatory

右旋

The dextrorotatory form of the compound is often more biologically active.

该化合物的右旋形式通常具有更强的生物活性。

反义词

levorotary

左旋的

The compound is levorotary, meaning it rotates plane-polarized light to the left.

该化合物是左旋的,这意味着它将平面偏振光向左旋转。

counterclockwise

逆时针方向的

The rotation of the molecule is counterclockwise in this reaction.

在这个反应中,分子的旋转是逆时针方向的。

例句

1.Dextrorotary ammonium tartrate can be prepared from by product tartar produced in grape wine factory.

酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵。

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.Ammonium bitartrate is filtrated and washed with water to remove Cl -, and then reacted with ammonia to give the final product dextrorotary ammonium tartrate.

酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵。

4.Ammonium bitartrate is filtrated and washed with water to remove Cl -, and then reacted with ammonia to give the final product dextrorotary ammonium tartrate.

酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵。

5.The dextrorotary nature of the molecule is crucial for its interaction with biological receptors.

该分子的右旋特性对于其与生物受体的相互作用至关重要。

6.Chemists often use polarimetry to determine if a substance is dextrorotary or levorotary.

化学家们常常使用偏振法来确定一种物质是右旋还是左旋。

7.The compound was found to be dextrorotary, meaning it rotates plane-polarized light to the right.

该化合物被发现是右旋的,这意味着它将平面偏振光向右旋转。

8.In our lab experiment, we tested various sugars and discovered that glucose is dextrorotary.

在我们的实验室实验中,我们测试了各种糖,并发现葡萄糖是右旋的。

9.The dextrorotary isomer of limonene has a citrus scent, while the levorotary isomer smells like pine.

柠檬烯的右旋异构体有柑橘香味,而左旋异构体则闻起来像松树。

作文

In the realm of chemistry and physics, understanding molecular behavior is crucial for advancements in various fields. One term that often arises in discussions about optical activity is dextrorotary. This word refers to substances that rotate plane-polarized light to the right, or clockwise, when viewed from the direction of the incoming light. This phenomenon is not only a fundamental concept in stereochemistry but also plays a significant role in pharmaceuticals, where the orientation of molecules can influence their biological activity. The concept of dextrorotary is essential when studying chiral molecules, which are compounds that have non-superimposable mirror images. These molecules can exist in two forms: one that is dextrorotary, and another that is levorotary, which rotates light to the left. The ability to distinguish between these two types of optical activity is vital for chemists, as the two forms can have drastically different effects in biological systems. For instance, one enantiomer of a drug may be therapeutic, while the other could be harmful or even toxic.Moreover, the measurement of optical rotation is performed using a polarimeter, an instrument designed to measure the angle by which a substance can rotate polarized light. When a sample is placed in the path of polarized light, the degree to which it rotates the light can be quantified. If the light is rotated to the right, the sample is classified as dextrorotary, while a leftward rotation indicates that it is levorotary. This distinction is critical in the field of pharmacology, where the specific rotation of a compound can dictate its effectiveness and safety.The importance of dextrorotary substances extends beyond the laboratory. In the food industry, for example, the study of sugars and their optical activities can help in determining the purity and concentration of sugar solutions. Understanding whether a sugar is dextrorotary or levorotary can inform manufacturers about the quality of their products and potential health implications for consumers.Furthermore, the implications of dextrorotary compounds are evident in the development of new materials and technologies. In the field of optics, materials that exhibit dextrorotary properties can be utilized in creating advanced optical devices, such as sensors and lasers. These applications highlight the versatility and significance of understanding molecular orientation and its effects on light.In conclusion, the term dextrorotary encapsulates a critical aspect of molecular chemistry and its applications across various disciplines. From pharmaceuticals to food science, the ability to identify and understand dextrorotary substances is essential for innovation and safety. As research advances, the role of dextrorotary compounds will undoubtedly continue to expand, paving the way for new discoveries and technologies that rely on the intricate dance of light and matter. Therefore, mastering the concept of dextrorotary is not just an academic exercise; it is a gateway to understanding the complex world around us.

在化学和物理学领域,理解分子行为对于各个领域的进步至关重要。一个常常出现在关于光学活性的讨论中的术语是dextrorotary。这个词指的是那些当从入射光的方向观察时,会将平面偏振光向右或顺时针旋转的物质。这一现象不仅是立体化学中的基本概念,而且在制药领域也发挥着重要作用,因为分子的取向可能会影响其生物活性。dextrorotary的概念在研究手性分子时至关重要,手性分子是指具有不可叠加镜像的化合物。这些分子可以存在两种形式:一种是dextrorotary,另一种是左旋,即向左旋转光线。区分这两种光学活性类型的能力对化学家至关重要,因为这两种形式在生物系统中可能产生截然不同的效果。例如,某种药物的一个对映体可能是治疗性的,而另一个对映体则可能是有害的,甚至是毒性的。此外,光学旋转的测量是使用偏振仪进行的,这是一种旨在测量物质能将偏振光旋转的角度的仪器。当样品放置在偏振光的路径中时,它旋转光线的程度可以被量化。如果光线向右旋转,则样品被归类为dextrorotary,而左旋转则表明它是左旋的。这一区分在药理学领域至关重要,因为化合物的特定旋转可以决定其有效性和安全性。dextrorotary物质的重要性超越了实验室。在食品工业中,例如,糖及其光学活性的研究可以帮助确定糖溶液的纯度和浓度。了解一种糖是否是dextrorotary或左旋的,可以告知制造商有关其产品质量和对消费者潜在健康影响的信息。此外,dextrorotary化合物的影响在新材料和技术的发展中显而易见。在光学领域,表现出dextrorotary特性的材料可以用于创建先进的光学设备,如传感器和激光器。这些应用突显了理解分子取向及其对光的影响的重要性和多样性。总之,术语dextrorotary概括了分子化学及其在各个学科中的应用的关键方面。从制药到食品科学,识别和理解dextrorotary物质的能力对于创新和安全至关重要。随着研究的进展,dextrorotary化合物的作用无疑将继续扩大,为依赖光与物质之间复杂互动的新发现和技术铺平道路。因此,掌握dextrorotary的概念不仅仅是学术练习;它是理解我们周围复杂世界的一个入口。