micelle
简明释义
n. [分子生物] 胶束;[生物] 微团
英英释义
单词用法
临界胶团浓度 | |
胶束形成;微胞成形 |
同义词
反义词
凝聚 | 当加热时,蛋白质开始凝聚。 | ||
聚集 | 颗粒聚集形成更大的团块。 |
例句
1.The new opinion to explain why amphoteric surfactant is the best lime soap dispersing agent was given from the view point of mixed micelle theory.
从混合胶束理论出发,对两性表面活性剂是比其他类型表面活性剂更优秀的钙皂分散剂这一事实,作者提出了新见解。
2.In this study they attempted to predict the critical micelle concentration (CMC).
在研究中,他们尝试着预测临界胶态粒子浓度(CMC)。
3.The surface tension and critical micelle concentration of SDS were influenced by the properties of the cyclodextrins added.
SDS的表面张力及临界胶束浓度的变化与添加的环糊精的性质有关。
4.Polymeric micelle has its own unique advantages with respect to drug delivery.
聚合物胶束作为药物载体具有其独特的优势。
5.Reversed micelle method was used to prepare titania ultrafiltration membranes.
采用新型的反胶团法制备了氧化钛超滤膜。
6.The research results showed that the micelle structure of the additive had important influence on the performance of product.
结果表明,添加剂中胶体粒子的结构是影响产品性能的重要因素。
7.Surface tensions and critical micelle concentrations of the products were also determined in this paper.
还测定了所合成产品的表面张力和临界胶束浓度。
8.These catalytic mechanisms of interfacial agent in some chemical reactions are micelle catalysis and phase transfer catalysis.
表面活性剂催化化学反应过程的机理有胶束催化和相转移催化。
9.The sandstone diversion acidization technology of VES micelle fluid was developed according to the viscous skin coefficient.
根据粘性表皮系数,建立了砂岩VES胶束流体分流酸化技术。
10.When soap is added to water, it creates micelles (胶束) that help remove stains from fabrics.
当肥皂加入水中时,它会产生胶束(micelles),帮助去除织物上的污渍。
11.Surfactants work by forming micelles (胶束) that trap dirt and grease, allowing them to be washed away.
表面活性剂通过形成胶束(micelles)来捕捉污垢和油脂,从而使其得以清洗。
12.In the process of emulsification, oil droplets are surrounded by a layer of micelles (胶束) to stabilize the mixture.
在乳化过程中,油滴被一层胶束(micelles)包围,以稳定混合物。
13.The formation of micelles (胶束) is crucial in drug delivery systems to enhance the solubility of hydrophobic drugs.
在药物递送系统中,胶束(micelles)的形成对于增强疏水性药物的溶解度至关重要。
14.In skincare products, micelles (胶束) can effectively remove makeup without the need for rinsing.
在护肤产品中,胶束(micelles)可以有效去除化妆品,而无需冲洗。
作文
In the world of chemistry and biology, the term micelle refers to a structure formed by the aggregation of surfactant molecules in a solution. Surfactants are compounds that lower the surface tension between two liquids or between a liquid and a solid. They have both hydrophilic (water-attracting) and hydrophobic (water-repelling) properties. When surfactants are added to water, they arrange themselves into spherical structures called micelles. The hydrophilic heads of the surfactant molecules face outward, interacting with the surrounding water, while the hydrophobic tails point inward, away from the water. This unique arrangement allows micelles to encapsulate oily substances within their core, making them essential in various applications, including cleaning products and biological systems.Understanding the formation and function of micelles is crucial for many scientific fields. For instance, in the realm of biochemistry, micelles play a significant role in the digestion and absorption of dietary fats. When we consume fatty foods, bile salts produced by the liver act as surfactants, forming micelles that encapsulate the fats. This process facilitates the transport of lipids across the intestinal wall, allowing our bodies to absorb essential fatty acids and fat-soluble vitamins. Without micelles, the digestion of fats would be inefficient, leading to nutritional deficiencies.Moreover, micelles are also pivotal in the formulation of pharmaceuticals. Many drugs are hydrophobic and do not dissolve well in water, which poses a challenge for their delivery in the body. By utilizing micelles, pharmaceutical scientists can improve the solubility and bioavailability of these drugs. The micelles can encapsulate the hydrophobic drugs, allowing them to be more easily transported through the bloodstream to their target sites. This innovative approach has led to the development of more effective drug delivery systems, enhancing therapeutic outcomes for patients.In addition to their biological significance, micelles are widely used in everyday products. For example, in household cleaning products, micelles help to remove dirt and grease from surfaces. When a surfactant is applied to a dirty surface, it forms micelles that trap and lift away grime, making cleaning more efficient. Similarly, in personal care products like shampoos and detergents, micelles aid in emulsifying oils and dirt, allowing for effective cleansing without damaging the skin or hair.In conclusion, the concept of micelles is fundamental to understanding various chemical and biological processes. Their ability to encapsulate hydrophobic substances makes them invaluable in fields ranging from nutrition to pharmaceuticals and even household cleaning. By studying micelles, scientists can develop better products and therapies that improve our daily lives. As we continue to explore the intricate world of chemistry, the significance of micelles will undoubtedly become even more apparent, highlighting their role as a bridge between science and practical applications.
在化学和生物学的世界中,术语micelle指的是在溶液中由表面活性剂分子聚集形成的结构。表面活性剂是降低两种液体之间或液体与固体之间表面张力的化合物。它们具有亲水(吸水)和疏水(排水)的特性。当表面活性剂被加入水中时,它们会排列成称为micelles的球形结构。表面活性剂分子的亲水头部朝外,与周围的水相互作用,而疏水尾部则朝内,远离水。这种独特的排列使得micelles能够将油性物质封装在其核心内,这使得它们在各种应用中至关重要,包括清洁产品和生物系统。理解micelles的形成和功能对许多科学领域至关重要。例如,在生物化学领域,micelles在饮食脂肪的消化和吸收中发挥着重要作用。当我们摄入脂肪食物时,肝脏产生的胆盐作为表面活性剂,形成micelles以封装脂肪。这个过程促进了脂质穿过肠壁的运输,使我们的身体能够吸收必需的脂肪酸和脂溶性维生素。如果没有micelles,脂肪的消化将会低效,导致营养缺乏。此外,micelles在药物配方中也至关重要。许多药物是疏水性的,在水中溶解效果不佳,这给它们在体内的输送带来了挑战。通过利用micelles,制药科学家可以改善这些药物的溶解性和生物利用度。micelles可以包裹疏水药物,使其更容易通过血液运输到达目标部位。这种创新的方法促使了更有效的药物输送系统的发展,提高了患者的治疗效果。除了生物学意义外,micelles在日常产品中也被广泛使用。例如,在家庭清洁产品中,micelles有助于去除表面的污垢和油脂。当将表面活性剂涂抹到脏表面时,它会形成micelles,捕捉并提起污垢,从而提高清洁效率。类似地,在个人护理产品如洗发水和洗涤剂中,micelles帮助乳化油脂和污垢,允许有效清洁而不损害皮肤或头发。总之,micelles的概念是理解各种化学和生物过程的基础。它们封装疏水性物质的能力使得它们在从营养到制药甚至家庭清洁等领域中不可或缺。通过研究micelles,科学家可以开发出更好的产品和疗法,从而改善我们的日常生活。随着我们继续探索化学的复杂世界,micelles的重要性无疑会变得更加明显,突显出它们作为科学与实际应用之间桥梁的角色。