bilayer

简明释义

[ˈbɑɪˌleɪə(r)][ˈbaɪˌleɪər]

n. 双分子层(膜)

英英释义

A bilayer is a structure composed of two layers, typically referring to a membrane or material that consists of two distinct layers of molecules.

双层是由两层组成的结构,通常指的是由两层不同分子构成的膜或材料。

单词用法

lipid bilayer

脂质二重层

同义词

double layer

双层

The cell membrane is a phospholipid bilayer.

细胞膜是一个磷脂双层。

反义词

monolayer

单层

A monolayer of molecules can provide a barrier.

一层分子的单层可以提供一个屏障。

multilayer

多层

Multilayer films are often used in packaging.

多层薄膜常用于包装。

例句

1.A new type of amitriptyline coated wire electrode (CWE) with bilayer polymeric films is reported.

本文报告一种性能良好的新型双层聚合膜阿米替林涂丝电极的研制。

2.In a lipid bilayer, lipids arrange themselves, so that their polar head groups are exposed to water and their hydrophobic tails are sandwiched in the middle.

双分子层中,脂质可以自行排布,形成极性头部暴露在水中,疏水尾部夹在中间的结构。

3.We study the spin Hall conductivity and tunneling spin current in the bilayer two-dimensional electron gas.

我们研究了双层二维电子气中的自旋霍尔电导率以及隧穿自旋流。

4.The plasmalemma was incorporated into planar bilayer lipid membrane and ion channels were measured by electrical methods.

将质膜嵌入预先涂制好的平面脂双层,然后用电学方法测定该脂双层的离子选择通透性。

5.The recognition of the lipid bilayer as a model for biomembranes dates back only about 75 years or so.

人们公认类脂双层为生物膜的模型仅有75年左右的时间。

6.If there is only one lipid bilayer, they are called unilamellar vesicles.

如果只有一层磷脂双分子层,则它们称为单层脂质体。

7.Both the fluorescence intensity and the peak location of anthraquinone chromophore are sensitively affected by the change in the bilayer physical state.

变温荧光光谱观察双分子膜中蒽醌生色基的荧光光谱强度和峰位极敏感地受到双分子膜物理状态变化的影响。

8.This paper derived the transfer matrix for the bilayer structure composed of left-handed and right-handed materials.

推导出了由左右手材料构成的双层结构的转移矩阵。

9.Other proteins do penetrate into and, in me cases, all the way through the lipid bilayer.

其他蛋白质则渗透到脂质双层中,而且在某些情况下一直透过脂质双层。

10.The stability of the bilayer is crucial for maintaining cellular integrity.

保持细胞完整性的关键是双层的稳定性。

11.The cell membrane is composed of a phospholipid bilayer that separates the interior of the cell from the external environment.

细胞膜由一个磷脂双层组成,隔离了细胞内部与外部环境。

12.The artificial bilayer created in the lab mimics natural cell membranes.

实验室中创建的人工双层模仿自然细胞膜。

13.In lipid bilayers, hydrophilic heads face outward while hydrophobic tails are tucked inside.

在脂质双层中,亲水性头部朝外,而疏水性尾部则藏在内部。

14.Researchers are studying how the bilayer structure affects drug delivery systems.

研究人员正在研究双层结构如何影响药物递送系统。

作文

The concept of a bilayer is fundamental in various fields, especially in biology and materials science. A bilayer refers to a structure composed of two layers, typically of molecules that are arranged in such a way that they have distinct properties. One of the most common examples of a bilayer is the phospholipid bilayer found in cell membranes. This structure is crucial for maintaining the integrity and functionality of cells. In biological systems, the phospholipid bilayer is formed when phospholipids, which have hydrophilic (water-attracting) heads and hydrophobic (water-repelling) tails, come together in an aqueous environment. The hydrophilic heads face outward towards the water, while the hydrophobic tails point inward, away from the water. This arrangement creates a semi-permeable membrane that allows certain substances to pass through while keeping others out, thus protecting the cell's internal environment.Moreover, the bilayer structure is not limited to biological membranes. In materials science, bilayers can be engineered for various applications, including drug delivery systems and nanotechnology. For instance, researchers often create synthetic bilayers that mimic natural membranes to study their properties and behaviors. These artificial bilayers can be used to encapsulate drugs, allowing for targeted delivery to specific cells in the body. The understanding of bilayer structures has also led to advancements in the development of new materials. By manipulating the thickness and composition of bilayers, scientists can create materials with unique electrical, optical, and mechanical properties. This has significant implications for the development of next-generation electronics, coatings, and sensors. In addition to their applications in science and technology, bilayers also play a role in everyday life. For example, many food products, such as margarine and butter, have a bilayer structure due to the combination of fats and water. Understanding how these bilayers form and interact can help food scientists improve the texture and stability of these products. In conclusion, the term bilayer encompasses a wide range of structures and applications across various disciplines. Whether in the context of cell membranes, synthetic materials, or even food products, the principles governing bilayers are essential for understanding both natural phenomena and technological innovations. As research continues to explore the complexities of bilayer systems, we can expect to see even more exciting developments that leverage this fundamental concept. The study of bilayers not only enhances our understanding of biology and materials science but also opens up new avenues for innovation and discovery in numerous fields.

‘双层’这个概念在多个领域中都是基础,尤其是在生物学和材料科学中。‘双层’指的是由两层组成的结构,通常是以特定方式排列的分子,它们具有不同的性质。其中一个最常见的例子就是细胞膜中的磷脂‘双层’。这种结构对于维持细胞的完整性和功能至关重要。在生物系统中,磷脂‘双层’是在水环境中形成的,当磷脂分子具有亲水(吸水)头部和疏水(排水)尾部时,亲水头部朝外面朝向水,而疏水尾部则指向内部,远离水。这种排列创建了一个半透膜,允许某些物质通过,同时阻止其他物质进入,从而保护细胞的内部环境。此外,‘双层’结构并不限于生物膜。在材料科学中,研究人员可以为各种应用工程化‘双层’,包括药物递送系统和纳米技术。例如,研究人员常常创建合成‘双层’,模仿自然膜以研究其特性和行为。这些人工‘双层’可以用于包裹药物,从而实现针对特定细胞的定向递送。对‘双层’结构的理解也推动了新材料的发展。通过操控‘双层’的厚度和组成,科学家可以创造出具有独特电气、光学和机械性能的材料。这对下一代电子设备、涂层和传感器的发展具有重要意义。除了在科学和技术中的应用外,‘双层’在日常生活中也发挥着作用。例如,许多食品产品,如人造黄油和黄油,由于脂肪和水的结合而具有‘双层’结构。了解这些‘双层’是如何形成和相互作用的,可以帮助食品科学家改善这些产品的质地和稳定性。总之,‘双层’这一术语涵盖了各个学科中广泛的结构和应用。无论是在细胞膜、合成材料还是食品产品的背景下,支配‘双层’的原理对于理解自然现象和技术创新至关重要。随着研究继续探索‘双层’系统的复杂性,我们可以期待看到更多利用这一基本概念的激动人心的发展。‘双层’的研究不仅增强了我们对生物学和材料科学的理解,也为众多领域的创新和发现开辟了新的途径。