denatured

简明释义

英[/ˌdiːˈneɪtʃərd/]美[/ˌdiːˈneɪtʃərd/]

adj. 变性的

v. 变性（denature 的过去分词）

英英释义

单词用法

同义词

反义词

例句

1.The result showed as follows: One band appears in pure individual, and two appeared in hybrid individuals by denatured PAGE;

结果发现：在变性胶上纯合个体为一条带，杂合个体为两条带；

2.The protein denatured and amino acid increased when proteins denatured and degraded.

蛋白质变性、降解，胨、氨基酸、缩氨酸等物质有所增加。

3.The denatured DNA is a suitable template for transcription of the two RNA polymerase B.

两种RNA聚合酶B都适于利用变性的单链DNA作转录模板。

4.The establishment of two national standards "Ethanol gasoline for motor vehicles" and "Denatured fuel ethanol".

“车用乙醇汽油”、“变性燃料乙醇”两项国家标准的制定；

5.The results above will provide theoretical basis for understanding the interaction of denatured DNA with drugs and the repair of denatured DNA.

上述结果将为理解变性DNA与药物分子的相互作用以及变性DNA的修复提供理论依据。

6.Objective The possibility of peripherin binding protein (PBP) to improve the refolding of denatured luciferase in vitro was investigated.

目的探讨感光受体外周蛋白结合蛋白（PBP）在体外是否有促进变性蛋白质复性的作用。

7.They stay roughly the way they are until they are denatured by strong chemicals, high pressure, heat or cold, or by becoming food for another living thing.

它们基本上会保持自身的状态，直到由强烈的化学物质、高压、热或冷改变特性，或者成为其他生物的食物。

8.Lipoxygenase in defatted soybean meal was denatured by dry heating treatment.

通过干热处理对脱脂豆粕中脂肪氧合酶进行灭活。

9."Denatured" capital accumulation is one that turns public capital into private capital with every artifice.

“变性”资本积累是以各种手段变公有资本为私有资本的资本积累。

10.The alcohol used in the laboratory is often denatured 变性 to prevent it from being consumed.

实验室中使用的酒精通常被变性以防止被饮用。

11.When proteins are heated, they can become denatured 变性, losing their original structure.

当蛋白质被加热时，它们可能会变性，失去原有的结构。

12.The denatured 变性 ethanol is safe for use in industrial applications.

这种变性乙醇在工业应用中是安全的。

13.In cooking, adding vinegar can cause milk to denature 变性 and curdle.

在烹饪中，加入醋会导致牛奶变性并凝固。

14.Some cleaning products contain denatured 变性 alcohol as a key ingredient.

一些清洁产品含有作为关键成分的变性酒精。

作文

In the realm of chemistry and biology, the term denatured refers to a process that alters the natural structure of a substance, typically a protein or nucleic acid. This alteration can lead to the loss of its original properties and functions. Understanding the concept of denatured substances is crucial in various fields, including food science, biochemistry, and even medicine. For instance, when cooking an egg, the heat causes the proteins within the egg white to denature. This means that the proteins unfold and reorganize into a new structure, resulting in the firm texture we associate with a cooked egg. The same principle applies when we consider the effects of heat on other proteins, such as those found in meat. When grilled or roasted, the proteins undergo denaturation, contributing to changes in flavor, texture, and overall palatability. In the context of food preservation, denatured alcohol is another relevant example. Ethanol is often used in the production of alcoholic beverages, but when it is denatured, it becomes undrinkable. This is achieved by adding certain chemicals that render the alcohol toxic or unpleasant to taste. The purpose of denaturing alcohol is to prevent its consumption for recreational purposes while still allowing it to be used in industrial applications such as cleaning agents or solvents. In biochemistry, denatured DNA plays a significant role in molecular biology techniques such as polymerase chain reaction (PCR). During PCR, the double-stranded DNA is heated to a temperature that causes it to denature, separating the strands. This allows for the amplification of specific DNA sequences, which is vital for various applications, including genetic testing and forensic analysis. The concept of denatured proteins is also essential in understanding diseases related to protein misfolding, such as Alzheimer's disease. In these conditions, proteins may become denatured and aggregate, leading to cellular dysfunction and death. Research in this area aims to uncover the mechanisms behind protein denaturation and find potential therapeutic strategies to combat these devastating diseases. Moreover, denatured enzymes can have both beneficial and detrimental effects. In some cases, the denaturation of enzymes can deactivate them, which is useful in food processing to prevent spoilage. Conversely, in certain industrial processes, maintaining enzyme activity is crucial, and understanding how to prevent denaturation can enhance efficiency and product yield. In summary, the term denatured encapsulates a fundamental concept in science that highlights the importance of molecular structure and function. Whether discussing the cooking process, alcohol production, or the implications for health and disease, the effects of denaturation are far-reaching. By grasping the significance of denatured substances, we can better appreciate the intricate relationship between structure and function in biological systems. This understanding not only deepens our knowledge of scientific principles but also informs practical applications in everyday life and industry.

在化学和生物学领域，术语denatured指的是一种改变物质自然结构的过程，通常是蛋白质或核酸。这种改变可能导致其原有特性和功能的丧失。理解denatured物质的概念在食品科学、生物化学甚至医学等多个领域中都是至关重要的。 例如，当我们烹饪鸡蛋时，热量使得鸡蛋白中的蛋白质发生denature。这意味着蛋白质展开并重新组织成新的结构，从而导致我们所熟悉的熟鸡蛋的坚硬质地。同样的原理也适用于其他食物中蛋白质的加热，比如肉类。当肉被烧烤或烘烤时，蛋白质会发生denaturation，从而改变风味、质地和整体的可口性。 在食品保存的背景下，denatured酒精是另一个相关的例子。乙醇通常用于生产酒精饮料，但当它被denatured后，就变得不可饮用。这是通过添加某些化学物质来实现的，这些化学物质使酒精变得有毒或口感不佳。对酒精进行denaturing的目的是为了防止其作为娱乐用途的消费，同时仍然允许其用于工业应用，如清洁剂或溶剂。 在生物化学中，denatured DNA在分子生物学技术中发挥着重要作用，例如聚合酶链反应（PCR）。在PCR过程中，双链DNA被加热到导致其denature的温度，从而分开两条链。这使得特定DNA序列的扩增成为可能，这对于包括基因检测和法医分析在内的各种应用至关重要。 Denatured蛋白质的概念在理解与蛋白质错误折叠相关的疾病（如阿尔茨海默病）中同样至关重要。在这些情况下，蛋白质可能会发生denaturation并聚集，从而导致细胞功能障碍和死亡。该领域的研究旨在揭示蛋白质denaturation背后的机制，并找到潜在的治疗策略来对抗这些毁灭性的疾病。 此外，denatured酶可能具有有益和有害的双重影响。在某些情况下，酶的denaturation可以使其失活，这在食品加工中非常有用，以防止腐败。相反，在某些工业过程中，保持酶的活性至关重要，了解如何防止denaturation可以提高效率和产品产量。 总之，术语denatured概括了科学中的一个基本概念，突显了分子结构与功能之间的重要关系。无论是在讨论烹饪过程、酒精生产，还是健康与疾病的影响，denaturation的效果都是深远的。通过掌握denatured物质的意义，我们可以更好地理解生物系统中结构与功能之间的复杂关系。这种理解不仅加深了我们对科学原理的认识，还为日常生活和工业中的实际应用提供了信息。