centrifuge tube

简明释义

1. 离心管; 2. 离心机试管; 3. 做离心分析试验的试样管;

英英释义

例句

1.The scientist carefully placed the sample in a centrifuge tube.

科学家小心地将样品放入离心管。

2.After the experiment, we need to discard the used centrifuge tubes properly.

实验结束后，我们需要妥善处理使用过的离心管。

3.The centrifuge tube must be balanced before starting the centrifuge.

在启动离心机之前，离心管必须保持平衡。

4.Make sure to label each centrifuge tube with the sample ID.

确保为每个离心管贴上样品ID标签。

5.She filled the centrifuge tube with a solution for the analysis.

她将一个溶液装入离心管中以进行分析。

作文

In modern laboratories, various tools and equipment play a crucial role in conducting experiments and analyzing samples. One such essential piece of equipment is the centrifuge tube, which is widely used in scientific research and medical laboratories. A centrifuge tube is a small, cylindrical container designed to hold samples during centrifugation—a process that involves spinning the samples at high speeds to separate components based on their density. This separation is vital for many applications, including blood analysis, biochemical assays, and cell culture. The design of a centrifuge tube is specifically tailored to withstand the forces exerted during the centrifugation process. Typically made from durable materials like polypropylene or polystyrene, these tubes can handle the stress of rapid spinning without breaking or deforming. They come in various sizes, ranging from microcentrifuge tubes, which hold small volumes (often around 1.5 to 2.0 milliliters), to larger tubes that can accommodate up to 50 milliliters or more. One of the significant advantages of using a centrifuge tube is its versatility. In biological research, for instance, researchers often use these tubes to separate cellular components from culture media or to isolate DNA and RNA from biological samples. The high-speed spinning creates a centrifugal force that pushes denser materials to the bottom of the tube, allowing for easy collection and analysis. Moreover, centrifuge tubes are equipped with features that enhance their usability. Many come with graduated markings on the side, allowing scientists to measure liquid volumes accurately. Some tubes also have screw caps or snap-on lids that ensure a secure seal, preventing spills and contamination during the centrifugation process. These features make it easier for researchers to handle samples safely and efficiently. In addition to their role in sample preparation, centrifuge tubes are also used in various educational settings. Students in biology or chemistry classes often conduct experiments that require the use of these tubes to understand fundamental concepts such as density, separation, and the behavior of substances under different conditions. By working with centrifuge tubes, students gain hands-on experience that reinforces theoretical knowledge and enhances their understanding of scientific principles. Despite their numerous advantages, it is essential to use centrifuge tubes correctly to avoid potential issues. Improper use, such as overfilling the tubes or failing to balance the centrifuge, can lead to accidents or damage to samples. Therefore, it is crucial for laboratory personnel to follow established protocols and guidelines when working with these tubes. In conclusion, the centrifuge tube is an indispensable tool in laboratories worldwide. Its ability to facilitate the separation of components in a variety of samples makes it invaluable for researchers and educators alike. As science continues to advance, the importance of such tools will only grow, highlighting the need for proper training and understanding of their usage. Through careful handling and application, centrifuge tubes will continue to contribute significantly to scientific discovery and innovation.

在现代实验室中，各种工具和设备在进行实验和分析样本时发挥着至关重要的作用。其中一个必不可少的设备就是离心管，它在科学研究和医学实验室中被广泛使用。离心管是一种小型圆柱形容器，旨在在离心过程中盛放样本——这一过程涉及以高速度旋转样本，以根据其密度分离成分。这种分离对于许多应用来说都是至关重要的，包括血液分析、生化检测和细胞培养。离心管的设计专门针对离心过程中的力进行优化。通常由聚丙烯或聚苯乙烯等耐用材料制成，这些管子能够承受快速旋转时施加的压力，而不会破裂或变形。它们有多种尺寸，从微量离心管（通常容纳约1.5到2.0毫升的小体积）到可以容纳50毫升或更多的大管子。使用离心管的一个显著优点是它的多功能性。例如，在生物研究中，研究人员经常使用这些管子从培养基中分离细胞成分或从生物样本中提取DNA和RNA。高速旋转产生的离心力将更密集的材料推向管底，使得收集和分析变得更加容易。此外，离心管还配备了增强其可用性的功能。许多管子侧面都有刻度标记，允许科学家准确测量液体体积。有些管子还配有螺旋盖或卡扣盖，确保密封，防止在离心过程中溢出和污染。这些功能使研究人员能够安全高效地处理样本。除了在样本准备中的作用，离心管还在各种教育环境中使用。生物或化学课程的学生经常进行需要使用这些管子的实验，以理解密度、分离和不同条件下物质行为等基本概念。通过使用离心管，学生获得了实践经验，强化了理论知识，并增强了对科学原理的理解。尽管有众多优点，但正确使用离心管至关重要，以避免潜在的问题。不当使用，如过量填充管子或未能平衡离心机，可能导致事故或样本损坏。因此，实验室人员在使用这些管子时必须遵循既定的协议和指南。总之，离心管是全球实验室中不可或缺的工具。它能够促进各种样本中成分的分离，使其对研究人员和教育工作者而言都具有重要价值。随着科学的不断进步，这类工具的重要性只会增加，突显出对其使用的正确培训和理解的必要性。通过小心处理和应用，离心管将在科学发现和创新中继续发挥重要作用。