sonication

简明释义

英[ˌsɒnɪˈkeɪʃən]美[ˌsɒnəˈkeɪʃən]

n. 声波降解法

英英释义

单词用法

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反义词

例句

1.The main procedures were as follows: 1) preparation of bacterial membranes by super-centrifugation and sonication;

研究方法主要包括：（1）经超声破碎和超速离心制备细菌细胞膜；

2.Subsequently, chromatin is isolated from nuclei and subjected to sonication.

随后，染色质从细胞核中分离并进行超声打断。

3.Sonication assisted Agrobacterium mediated transformation(SAAT)tremendously improves the efficiency of Agrobacterium infection by introducing large numbers of microwounds into the target plant tissue.

由于超声波处理可增加农杆菌与外植体之间的接触面积，提高农杆菌对外植体的转化频率。

4.METHODS Pegylated CsA-liposome was prepared by a modified ethanol injection method, followed by sonication and lyophilization using sucrose as cryoprotectant.

方法采用改良的乙醇注入结合超声分散的方法制备环孢素长循环脂质体，蔗糖作为冻干保护剂冻干。

5.After sonication, the emulsification capacity and the foam ability of SPI were improved, and the emulsification stability of soybean crude 7S and 11S protein were also increased.

超声处理后乳化性能，起泡性能显著得到改善，大豆粗7S蛋白和11S粗蛋白的乳化稳定性随时间延长均呈增加趋势。

6.In this study, ethanol injection-sonication method was selected to prepare stable CoQ_ (10) nano - liposomes.

文中以蛋黄磷脂为主要壁材，采用乙醇注入-超声法制得稳定性较好的辅酶Q _(10)纳米脂质体。

7.Catalase was loaded into exosomes ex vivo using different methods: the incubation at room temperature, permeabilization with saponin, freeze-thaw cycles, sonication, or extrusion.

使用不同的方法将过氧化氢酶在体外载入外泌体：室温孵育、皂素透化、反复冻融、超声或者挤压。

8.Using sonication can significantly reduce the time required for chemical reactions.

使用声波处理可以显著减少化学反应所需的时间。

9.In laboratory settings, sonication can enhance the dispersion of nanoparticles in a solution.

在实验室环境中，声波处理可以增强纳米粒子在溶液中的分散性。

10.The process of sonication is often used to break down cell walls for better extraction of proteins.

使用声波处理的过程通常用于破坏细胞壁，以更好地提取蛋白质。

11.We applied sonication to the sample to improve the efficiency of the extraction process.

我们对样品进行了声波处理，以提高提取过程的效率。

12.The sonication technique is essential for preparing emulsions in food science.

声波处理技术在食品科学中对于制备乳液至关重要。

作文

In recent years, the field of biotechnology has seen significant advancements, particularly in the area of cell disruption techniques. One such technique that has gained popularity is sonication, which refers to the process of using ultrasound waves to agitate particles in a sample, leading to the disruption of cells and the release of intracellular components. This method is particularly useful for extracting proteins, nucleic acids, and other biomolecules from cells, making it an essential tool in molecular biology and biochemistry laboratories.The principle behind sonication is relatively straightforward. When high-frequency sound waves are applied to a liquid medium, they create rapid pressure changes that cause the formation of microscopic bubbles. These bubbles grow and collapse violently, generating shock waves that can break apart cell membranes. This phenomenon, known as cavitation, is the key to the effectiveness of sonication as a cell lysis method.One of the main advantages of sonication is its speed and efficiency. Traditional methods of cell disruption, such as mechanical homogenization or enzymatic digestion, can be time-consuming and may require additional reagents. In contrast, sonication can achieve similar results in a matter of minutes, making it a preferred choice for many researchers looking to optimize their workflows.Moreover, sonication allows for precise control over the extent of cell disruption. By adjusting parameters such as the intensity and duration of the ultrasound exposure, scientists can tailor the process to suit their specific needs. This level of control is particularly important when dealing with sensitive samples, where excessive disruption could lead to the degradation of valuable biomolecules.However, it is essential to note that sonication is not without its challenges. The heat generated during the process can denature proteins and affect the integrity of nucleic acids if not properly managed. To mitigate this issue, researchers often perform sonication on ice or use water baths to maintain a stable temperature. Additionally, the choice of solvent and the concentration of the sample can influence the efficiency of sonication, requiring careful optimization for each specific application.In conclusion, sonication has emerged as a powerful and versatile technique for cell disruption in the field of biotechnology. Its ability to rapidly and effectively release intracellular components makes it an invaluable tool for researchers working with a variety of biological samples. As the demand for efficient extraction methods continues to grow, the role of sonication in scientific research is likely to expand, paving the way for new discoveries and innovations in the life sciences. Understanding the principles and applications of sonication is crucial for any scientist looking to harness its potential in their work. Sonication（声波处理）是指利用超声波激发样品中的颗粒，导致细胞破裂和释放细胞内成分的过程。这种方法在提取蛋白质、核酸及其他生物分子方面非常有用，是分子生物学和生物化学实验室中不可或缺的工具。