V2EX bilayer

Bilayer

定义 Definition

n. 在化学、生物学和材料科学中,指由两层分子、材料或结构单元组成的层状结构。最常见的例子是细胞膜中的脂质双层,其中亲水部分朝向水环境,疏水部分相互靠近。它常用于解释膜的屏障功能、物质运输以及人工膜材料的结构。

发音 Pronunciation

/baler/

例句 Examples

Cells are surrounded by a lipid bilayer.
细胞被脂质双层包围。

In many membranes, proteins are embedded within the bilayer and help move substances across it.
在许多膜中,蛋白质嵌入这种双层结构中,帮助物质通过膜移动。

词源 Etymology

由前缀 bi- “二、双”和 layer “层”组成,字面意思是“两层”。在科学语境中,它常指由分子或材料排列形成的双层结构。

相关词 Related Words

科学文献用例 Scientific Usage

  • 生物学和细胞生物学教材中常用来描述细胞膜和细胞器膜的基本结构。
  • 生物化学参考书中用于解释磷脂、膜蛋白和膜通透性之间的关系。
  • 材料科学和纳米技术论文中可用于描述由两层薄膜或分子层构成的功能材料。
  • 实验报告中常见于人工膜、脂质体和膜模型系统的结构描述。
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