amphipathic

简明释义

英[ˌæmfɪˈpæθɪk]美[ˌæmfəˈpæθɪk]

adj. 两亲的（等于 amphiphilic）；两性分子的；亲水脂性的

英英释义

单词用法

同义词

反义词

例句

1.Main Types and performance of Amphipathic polymer in water reducing agent in Concrete in China were briefly introduced.

简述了国内混凝土减水剂用两亲性聚合物主要类型和性能及研究进展。

2.Amphipathic cation association polymer, preparation process, use and composition thereof.

两亲阳离子缔合聚合物，其制备方法，用途和其组合物。

3.The amphipathic super-paramagnetic and magnetically resonant contrast agent integrates the advantages of stability, aqueous solubility and biocompatibility, and reduces the toxicity.

集稳定性、水溶性和生物相容性的优点于一体，并降低了毒性。

4.Molecules with both hydrophilic and hydrophobic groups are called amphipathic or amphiphilic.

分子兼有亲水的和疏水的两个基团，叫做两性的或两亲的。

5.Phospholipids, we remember, are amphipathic molecules.

我们记得磷脂是亲水脂的分子。

6.The invention relates to a polyester amphipathic hyper-dispersant and a preparation method thereof to satisfy the demand of dispersion of solid particles in different polar media.

本发明涉及一种聚酯型两亲性超分散剂及其制备方法，以满足固体颗粒在不同极性介质中分散的需要。

7.The amphipathic super-paramagnetic and magnetically resonant contrast agent integrates the advantages of stability, aqueous solubility and biocompatibility, and reduces the toxicity.

集稳定性、水溶性和生物相容性的优点于一体，并降低了毒性。

8.The invention discloses an amphipathic super-paramagnetic and magnetically resonant contrast agent and a method for preparing the contrast agent.

本发明公开了一种两亲超顺性磁共振造影剂，以及这种造影剂的制备方法。

9.In biological membranes, the amphipathic arrangement of phospholipids creates a barrier that protects cell contents.

在生物膜中，磷脂的两亲性排列形成了保护细胞内容物的屏障。

10.Phospholipids are considered amphipathic molecules because they have both hydrophilic and hydrophobic regions.

磷脂被认为是两亲性分子，因为它们同时具有亲水和疏水区域。

11.Certain proteins have amphipathic regions that allow them to interact with both the lipid bilayer and the aqueous environment.

某些蛋白质具有两亲性区域，使它们能够与脂质双层和水相环境相互作用。

12.The amphipathic nature of detergents allows them to break down grease and oils in cleaning products.

洗涤剂的两亲性特性使它们能够分解清洁产品中的油脂和油。

13.The amphipathic structure of surfactants helps reduce surface tension in liquids.

表面活性剂的两亲性结构有助于降低液体的表面张力。

作文

The concept of being amphipathic is essential in understanding various biological processes, particularly in the formation of cell membranes. An amphipathic molecule possesses both hydrophilic (water-attracting) and hydrophobic (water-repelling) properties. This unique characteristic allows these molecules to play crucial roles in the structure and function of cells. For instance, phospholipids are classic examples of amphipathic molecules. They consist of a hydrophilic 'head' that interacts favorably with water and two hydrophobic 'tails' that avoid water. When phospholipids are placed in an aqueous environment, they spontaneously arrange themselves into bilayers, with the hydrophobic tails facing inward and the hydrophilic heads facing outward. This arrangement forms the basis of the cell membrane, which acts as a barrier to protect the cell while allowing selective passage of substances.The significance of amphipathic molecules extends beyond just cell membranes. In biochemical reactions, amphipathic compounds can facilitate the solubilization of lipids, proteins, and other biomolecules, making them more accessible for enzymatic reactions. For example, detergents, which are also amphipathic, can break down lipid membranes, allowing for the extraction of proteins for analysis in laboratories. This property is exploited in many applications, including drug delivery systems where amphipathic molecules help encapsulate drugs in a way that enhances their solubility and bioavailability.Furthermore, the amphipathic nature of certain molecules is crucial in the formation of micelles and liposomes. Micelles are spherical structures formed when amphipathic surfactants aggregate in solution, with their hydrophilic heads facing outward and hydrophobic tails tucked inside. This property is utilized in various industries, including cosmetics and pharmaceuticals, to improve the delivery of active ingredients. Liposomes, on the other hand, are small vesicles made up of lipid bilayers and can encapsulate drugs, making them effective carriers for targeted therapy in medical treatments.In summary, the term amphipathic refers to molecules that have both hydrophilic and hydrophobic regions, enabling them to interact with both water and lipids. This duality is fundamental to many biological processes, from the formation of cellular membranes to the functioning of enzymes and the development of drug delivery systems. Understanding the role of amphipathic molecules not only provides insight into cellular architecture but also opens avenues for innovations in biotechnology and medicine. Recognizing the importance of amphipathic compounds can lead to advancements in how we approach various scientific challenges, highlighting the intricate balance of chemistry and biology in living organisms.

‘两亲’这一概念在理解各种生物过程时至关重要，特别是在细胞膜的形成中。一个两亲分子同时具有亲水（吸水）和疏水（排水）特性。这一独特特性使这些分子在细胞的结构和功能中发挥关键作用。例如，磷脂是典型的两亲分子的例子。它们由一个亲水的‘头’和两个疏水的‘尾’组成，亲水头与水相互作用良好，而疏水尾则避免水。当磷脂置于水环境中时，它们会自发地排列成双层结构，疏水尾朝内，亲水头朝外。这种排列形成了细胞膜的基础，细胞膜作为保护细胞的屏障，同时允许选择性物质通过。两亲分子的意义不仅限于细胞膜。在生化反应中，两亲化合物可以促进脂质、蛋白质和其他生物分子的溶解，使其更易于进行酶促反应。例如，洗涤剂也是两亲的，可以破坏脂质膜，从而提取用于实验室分析的蛋白质。这一特性在许多应用中被利用，包括药物递送系统，其中两亲分子帮助包裹药物，以增强其溶解度和生物利用度。此外，某些分子的两亲特性在胶束和脂质体的形成中也至关重要。胶束是当两亲表面活性剂在溶液中聚集时形成的球形结构，亲水头朝外，疏水尾藏在内部。这一特性被广泛应用于化妆品和制药等行业，以改善活性成分的递送。脂质体则是由脂质双层构成的小囊泡，可以包裹药物，使其成为靶向治疗的有效载体。总之，术语两亲指的是那些具有亲水和疏水区域的分子，使它们能够与水和脂质相互作用。这种双重性对许多生物过程至关重要，从细胞膜的形成到酶的功能以及药物递送系统的发展。理解两亲分子的角色不仅为细胞架构提供了洞察，还为生物技术和医学的创新开辟了道路。认识到两亲化合物的重要性可以推动我们在各种科学挑战中的进步，突显出化学与生物在生物体内的复杂平衡。