cryoprotective

简明释义

英[ˌkraɪəʊprəˈtektɪv]美[ˌkraɪoʊprəˈtektɪv]

adj. 防冷冻的

英英释义

单词用法

同义词

反义词

例句

1.Utilizing the Thermal Mechanical Analyser (TMA), the effects of concentrations of cryoprotective agents (CPA) and cooling rates on thermal expansion of rabbit artery during freezing were investigated.

文采用热机械分析仪（TMA）分别研究了低温保护剂（CPA）和冻结速率对兔主动脉冻结相变过程中膨胀的影响。

2.Utilizing the Thermal Mechanical Analyser (TMA), the effects of concentrations of cryoprotective agents (CPA) and cooling rates on thermal expansion of rabbit artery during freezing were investigated.

文采用热机械分析仪（TMA）分别研究了低温保护剂（CPA）和冻结速率对兔主动脉冻结相变过程中膨胀的影响。

3.The restrain effect of cryoprotective agents on eutectic is different. The best is glycerol and then is ethylene glycol, DMSO, 1,2 propylene glycol and 1,3 butanediol respectively.

不同种类保护剂的抑制共晶的能力从强到弱依次是甘油、乙二醇、DMSO、1，2丙二醇和1，3丁二醇。

4.Programmed cooling method: The glycerol and Dimethylsulfoxide, as cryoprotective agents, were mixed with COC1 cells suspensions at different concentration, respectively.

程序降温法：以甘油和二甲基亚砜为低温保护剂，分别以不同的比例添加到含有细胞悬液的冻存管中。

5.The Chinese prawn embryos in several developing stages are exposed to vcarious cryoprotective agents (CPA) brine solutions for toxicity and permeability study.

对中国对虾胚胎在低温保存前的预处理过程中，抗冻剂溶液的毒性和渗透性进行了实验研究。

6.The higher the concentration of cryoprotective agents, the less the enthalpy of eutectic and the bigger the capability of restrain the eutectic.

低温保护剂浓度越高，共晶焓越小，对共晶的抑制作用越大。

7.Objective: Study on the cryoprotective effect of the EDS-40 vitrification solutions to mice and human oocytes.

目的：研究EDS - 40玻璃化溶液冻贮小鼠及人卵母细胞的效果。

8.The use of cryoprotective agents is essential in preserving biological samples for research.

在保存生物样本以供研究时，使用冷冻保护剂是必不可少的。

9.To improve the survival rate of cells after freezing, scientists often add cryoprotective substances to the solution.

为了提高细胞冷冻后的存活率，科学家们通常会在溶液中添加冷冻保护物质。

10.The cryoprotective properties of glycerol make it a popular choice for preserving tissues.

甘油的冷冻保护特性使其成为保存组织的热门选择。

11.In the field of cryobiology, cryoprotective agents play a crucial role in cell preservation.

在冷冻生物学领域，冷冻保护剂在细胞保存中起着至关重要的作用。

12.Researchers are exploring new cryoprotective solutions to enhance the viability of embryos during storage.

研究人员正在探索新的冷冻保护溶液，以提高胚胎在储存过程中的存活率。

作文

Cryopreservation is a revolutionary technique that has transformed the field of biology and medicine. It allows for the storage of biological samples at extremely low temperatures, effectively halting all biological processes. One of the critical components in this process is the use of substances that are known as cryoprotective agents. These agents play a vital role in protecting cells and tissues from damage during the freezing and thawing processes. Without these cryoprotective substances, ice crystals can form within cells, leading to cell rupture and loss of viability. The mechanism by which cryoprotective agents function is fascinating. They work by reducing the formation of ice crystals and stabilizing cellular structures during the freezing process. Common examples of cryoprotective agents include glycerol, dimethyl sulfoxide (DMSO), and ethylene glycol. Each of these compounds has unique properties that make them suitable for different types of biological materials. For instance, glycerol is often used in the preservation of sperm and embryos, while DMSO is frequently applied in the preservation of stem cells. The importance of cryoprotective agents extends beyond just preserving individual cells. In the realm of organ transplantation, they are crucial for maintaining the viability of organs before they are transplanted into recipients. The use of cryoprotective solutions can significantly extend the shelf life of organs, making it possible to transport them over long distances without compromising their integrity. This advancement has opened up new possibilities in the field of transplant medicine, allowing for more effective matching of donors and recipients across greater geographical areas. Moreover, the application of cryoprotective agents is not limited to human biology. In agriculture, for example, researchers are exploring the use of cryoprotective substances to preserve plant seeds and genetic material. This is particularly important for conservation efforts aimed at protecting endangered plant species. By employing cryoprotective techniques, scientists can ensure that valuable genetic resources are preserved for future generations. Despite the benefits of cryoprotective agents, there are also challenges associated with their use. Some cryoprotective substances can be toxic to cells at high concentrations, which necessitates careful optimization of their concentrations during the preservation process. Additionally, the effectiveness of cryoprotective agents can vary depending on the type of cells or tissues being preserved, meaning that ongoing research is essential to develop better formulations and techniques. In conclusion, the role of cryoprotective agents in cryopreservation cannot be overstated. They are essential for ensuring the survival and functionality of biological materials subjected to freezing conditions. As technology advances and our understanding of cellular biology deepens, the potential applications of cryoprotective agents will likely expand, providing exciting opportunities for innovation in fields ranging from medicine to agriculture. Embracing the power of cryoprotective substances will undoubtedly lead to groundbreaking discoveries that can enhance our ability to preserve life in all its forms.

冷冻保存是一项革命性的技术，改变了生物学和医学领域。它允许在极低温度下储存生物样本，有效地停止所有生物过程。在这个过程中，使用被称为冷冻保护剂的物质是至关重要的。这些剂在保护细胞和组织免受冷冻和解冻过程损伤方面发挥着重要作用。如果没有这些冷冻保护物质，冰晶可能会在细胞内形成，导致细胞破裂和活力丧失。 冷冻保护剂的作用机制非常有趣。它们通过减少冰晶的形成和稳定细胞结构，在冷冻过程中发挥作用。常见的冷冻保护剂包括甘油、二甲基亚硫酰胺（DMSO）和乙二醇。这些化合物各自具有独特的性质，使其适合不同类型的生物材料。例如，甘油通常用于保存精子和胚胎，而DMSO则常用于保存干细胞。 冷冻保护剂的重要性不仅限于单个细胞的保存。在器官移植领域，它们对维持器官在移植前的活力至关重要。使用冷冻保护溶液可以显著延长器官的保质期，使其能够在不损害完整性的情况下运输到远距离。这一进步为移植医学领域开辟了新的可能性，使得在更大地理区域内有效匹配供体和受体成为可能。 此外，冷冻保护剂的应用并不限于人类生物学。在农业领域，研究人员正在探索使用冷冻保护物质来保存植物种子和遗传材料。这对于保护濒危植物物种的保护工作尤为重要。通过采用冷冻保护技术，科学家可以确保珍贵的遗传资源为未来几代人保存。 尽管冷冻保护剂带来了好处，但它们的使用也面临挑战。一些冷冻保护物质在高浓度下对细胞可能具有毒性，这需要在保存过程中仔细优化其浓度。此外，冷冻保护剂的有效性可能因所保存的细胞或组织类型而异，这意味着持续的研究对于开发更好的配方和技术至关重要。 总之，冷冻保护剂在冷冻保存中的作用不容小觑。它们对于确保在冷冻条件下处理的生物材料的存活和功能至关重要。随着技术的进步和我们对细胞生物学理解的加深，冷冻保护剂的潜在应用可能会扩展，为医学和农业等领域的创新提供激动人心的机会。拥抱冷冻保护物质的力量无疑将导致突破性的发现，增强我们在各种生命形式中保存生命的能力。