phospholipids

简明释义

英[ˌfɒsfəˈlɪpɪdz]美[fɑːspˈhoʊlɪpɪdz]

n. 磷脂质（phospholipid 的复数）

英英释义

单词用法

同义词

反义词

例句

1.A primitive RNA might have catalysed the synthesis of phospholipids, but what advantage would phospholipids have conferred on primordial cells?

一种原始的RNA可能催化了磷脂的合成，但是磷脂又授予了原生细胞什么优势呢？

2.Borage Seed Oil, Dead Sea Mineral Water, Olive Oil, Evening Primrose Oil, Liposomes (Phospholipids).

琉璃苣菜籽油，死海矿物水，橄榄油，晚樱草油，脂质体(磷脂)。

3.High egg quality fish meal, Antarctic shrimp meal, active yeast, spirulina, natural phospholipids, a variety of high-quality minerals and vitamins.

高蛋质鱼粉、南极虾粉、活性酵母菌、螺旋藻、天然磷脂，多种优质矿物质及维生素等。

4.Objective To study the antiaging effect and mechanism of active phospholipids on drosophila.

目的探讨活性磷脂对果蝇的延缓老化作用及其机理。

5.The chemical modification techniques of natural phospholipids and characteristics of products were reviewed in this paper.

介绍了天然磷脂的化学改性方法及其改性物的性能特点。

6.Apoptosis has a correlation with the phospholipids loss.

凋亡的发生与磷脂脱失具有平行关系。

7.Seed Oil, Dead Sea Mineral Water, Olive Oil, Evening Primrose Oil, Liposomes (Phospholipids).

琉璃苣菜籽油，死海矿物水，橄榄油，晚樱草油，脂质体(磷脂)。

8.Cell membranes are primarily composed of phospholipids, which create a barrier that protects the cell's interior.

细胞膜主要由磷脂组成，形成保护细胞内部的屏障。

9.The hydrophilic heads and hydrophobic tails of phospholipids allow them to arrange themselves into bilayers.

磷脂的亲水头和疏水尾使它们能够排列成双层结构。

10.In the lab, we studied how different types of phospholipids affect membrane fluidity.

在实验室，我们研究了不同类型的磷脂如何影响膜的流动性。

11.Dietary sources of phospholipids include egg yolks and soybeans, which are important for brain health.

饮食来源的磷脂包括蛋黄和大豆，这对大脑健康很重要。

12.The function of phospholipids in signaling pathways is crucial for cellular communication.

磷脂在信号传导途径中的功能对细胞间的交流至关重要。

作文

Phospholipids are essential molecules that play a crucial role in the structure and function of all living cells. They are a type of lipid molecule that consists of two fatty acid tails and a phosphate group, which is attached to a glycerol backbone. The unique structure of phospholipids allows them to form bilayers, which are fundamental components of cell membranes. This bilayer formation is driven by the hydrophobic (water-repelling) nature of the fatty acid tails and the hydrophilic (water-attracting) nature of the phosphate head. As a result, phospholipids create a semi-permeable barrier that separates the interior of the cell from the external environment, maintaining homeostasis and allowing for the selective transport of substances. In addition to their structural role, phospholipids are also involved in various cellular processes. For instance, they serve as signaling molecules, participating in pathways that regulate cell growth, differentiation, and apoptosis. Certain types of phospholipids, such as phosphatidylinositol, play a significant role in cell signaling by acting as precursors for second messengers. Furthermore, phospholipids are vital for the function of membrane proteins, which are integral to processes such as nutrient transport, communication between cells, and immune responses. The importance of phospholipids extends beyond individual cells; they are also critical for the overall health of organisms. For example, in humans, a balanced intake of dietary fats, including phospholipids, is essential for maintaining healthy cell membranes and supporting brain function. The brain is particularly rich in phospholipids, which contribute to its structure and fluidity, influencing cognitive functions and mood regulation. Moreover, phospholipids have applications in various fields, including medicine and biotechnology. They are utilized in drug delivery systems, where liposomes—spherical vesicles made from phospholipids—encapsulate drugs and facilitate their transport to targeted sites within the body. This method enhances the efficacy of treatments while minimizing side effects. Additionally, phospholipids are used in the formulation of vaccines, helping to stabilize the active ingredients and enhance immune responses. In summary, phospholipids are not just structural components of cell membranes; they are multifunctional molecules that contribute to numerous biological processes. Their unique properties allow them to form bilayers that protect cells, while also playing key roles in signaling and metabolism. Understanding the significance of phospholipids can provide insights into cellular functions and the development of therapeutic strategies for various diseases. As research continues, the potential applications of phospholipids in health and medicine will likely expand, highlighting their importance in both biology and biotechnology.

磷脂是对所有生物细胞的结构和功能起着至关重要作用的基本分子。它们是一种脂质分子，由两个脂肪酸尾和一个附着在甘油骨架上的磷酸基团组成。磷脂的独特结构使它们能够形成双层，这是细胞膜的基本组成部分。这种双层的形成是由脂肪酸尾的疏水性（排斥水）和磷酸头的亲水性（吸引水）驱动的。因此，磷脂创建了一个半透膜，隔离细胞内部与外部环境，维持内稳态，并允许选择性地运输物质。 除了结构作用，磷脂还参与各种细胞过程。例如，它们作为信号分子，参与调节细胞生长、分化和凋亡的途径。某些类型的磷脂，如磷脂酰肌醇，在细胞信号传递中发挥重要作用，作为第二信使的前体。此外，磷脂对膜蛋白的功能至关重要，这些膜蛋白是营养运输、细胞间通信和免疫反应等过程的基础。 磷脂的重要性不仅限于单个细胞；它们对生物体的整体健康也至关重要。例如，在人类中，均衡摄入膳食脂肪，包括磷脂，对维持健康的细胞膜和支持大脑功能至关重要。大脑特别富含磷脂，它们有助于大脑的结构和流动性，影响认知功能和情绪调节。 此外，磷脂在医学和生物技术等多个领域也有应用。它们被用于药物递送系统，其中脂质体——由磷脂制成的球形囊泡——包裹药物并促进其运输到体内的目标部位。这种方法增强了治疗的有效性，同时最小化副作用。此外，磷脂还用于疫苗的制剂中，帮助稳定活性成分并增强免疫反应。 总之，磷脂不仅仅是细胞膜的结构成分；它们是多功能分子，对众多生物过程做出贡献。它们独特的属性使它们能够形成保护细胞的双层，同时在信号传递和代谢中发挥关键作用。理解磷脂的重要性可以为细胞功能和各种疾病的治疗策略的发展提供见解。随着研究的持续进行，磷脂在健康和医学中的潜在应用可能会扩展，突显它们在生物学和生物技术中的重要性。