micell

简明释义

英[maɪ'sɛl]美[maɪˈsel]

n. 胶束；胶态离子；微胞

英英释义

单词用法

同义词

反义词

例句

1.Performance of surfactant can be got by pure analysis and experiment, which explores surfactant' s critical micell concentration, surface tension and coal's contact angle.

通过对表面活性剂表面张力、临界胶束浓度及溶液对煤体接触角的理论及实验分析，得到表面活性剂的性能指标。

2.Performance of surfactant can be got by pure analysis and experiment, which explores surfactant' s critical micell concentration, surface tension and coal's contact angle.

通过对表面活性剂表面张力、临界胶束浓度及溶液对煤体接触角的理论及实验分析，得到表面活性剂的性能指标。

3.The formation of a micell 胶束 is crucial in the process of emulsification.

胶束的形成在乳化过程中至关重要。

4.In drug delivery systems, micells 胶束 can enhance the solubility of hydrophobic drugs.

在药物传递系统中，胶束可以增强疏水性药物的溶解度。

5.Surfactants help to stabilize micells 胶束 in aqueous solutions.

表面活性剂有助于在水溶液中稳定胶束。

6.The size of a micell 胶束 can vary depending on the concentration of surfactants used.

胶束的大小可以根据所用表面活性剂的浓度而变化。

7.When oil is mixed with water, micells 胶束 form to encapsulate the oil droplets.

当油与水混合时，胶束会形成以包裹油滴。

作文

In the world of chemistry and biology, understanding the behavior of molecules is crucial for various applications. One fascinating structure that often comes into play is the micell, which plays a significant role in the study of surfactants and their interactions with water. A micell is a spherical aggregate of surfactant molecules that forms in a solution when the concentration of surfactants exceeds a certain threshold known as the critical micelle concentration (CMC). Surfactants are compounds that lower the surface tension between two substances, such as oil and water, making them essential in many industries, including cosmetics, pharmaceuticals, and food production. The formation of a micell occurs because surfactant molecules have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts. When surfactants are added to water, they orient themselves in a manner that minimizes energy. The hydrophilic heads face outward towards the water, while the hydrophobic tails cluster together in the center, away from the water. This unique arrangement allows the micell to effectively encapsulate oily substances, making it easier for them to dissolve in water. The ability of micells to solubilize nonpolar substances has numerous practical applications. For instance, in the cosmetic industry, many products rely on micells to deliver active ingredients effectively. When you apply a cleanser or a shampoo, the surfactants create micells that trap dirt and oil, allowing them to be rinsed away easily. Similarly, in pharmaceuticals, micells can enhance the solubility of poorly soluble drugs, improving their bioavailability and effectiveness. Moreover, understanding micells is essential in environmental science. Surfactants can enter aquatic environments through runoff and wastewater, leading to the formation of micells that can affect the distribution of pollutants. By studying how micells behave in natural waters, scientists can better assess the impact of these compounds on ecosystems and develop strategies for remediation. In conclusion, the concept of a micell is vital in various scientific fields. From enhancing the effectiveness of everyday products to addressing environmental concerns, the study of micells provides valuable insights into molecular interactions and their practical implications. As research continues to evolve, the applications of micells will likely expand, leading to innovative solutions in health, beauty, and environmental sustainability.

在化学和生物学的世界中，理解分子的行为对于各种应用至关重要。一个常常出现的迷人结构是micell，它在表面活性剂及其与水的相互作用的研究中发挥着重要作用。micell是指在溶液中，当表面活性剂的浓度超过某个阈值（称为临界胶束浓度，CMC）时形成的球形聚集体。表面活性剂是降低两种物质之间表面张力的化合物，如油和水，使它们在许多行业中（包括化妆品、制药和食品生产）变得至关重要。 micell的形成发生是因为表面活性剂分子具有亲水性（吸水）和疏水性（排水）部分。当表面活性剂被添加到水中时，它们会以一种最小化能量的方式定向。亲水头部朝外，面向水，而疏水尾部则聚集在中心，远离水。这种独特的排列使得micell能够有效地包裹油性物质，从而使它们更容易溶解在水中。 micell溶解非极性物质的能力具有许多实际应用。例如，在化妆品行业，许多产品依赖于micell来有效传递活性成分。当你使用清洁剂或洗发水时，表面活性剂会形成micell，捕捉污垢和油脂，从而使它们可以轻松冲洗掉。同样，在制药领域，micell可以增强难溶药物的溶解度，提高其生物利用度和有效性。 此外，理解micell在环境科学中也至关重要。表面活性剂可以通过径流和废水进入水体，导致形成micell，这可能影响污染物的分布。通过研究micell在自然水域中的行为，科学家可以更好地评估这些化合物对生态系统的影响，并制定修复策略。 总之，micell的概念在各个科学领域都是至关重要的。从提高日常产品的有效性到解决环境问题，micell的研究提供了对分子相互作用及其实际意义的宝贵见解。随着研究的不断发展，micell的应用可能会扩展，带来健康、美丽和环境可持续性方面的创新解决方案。