vacuum pipette

简明释义

真空吸笔

英英释义

例句

1.For the experiment, we needed a vacuum pipette to avoid contamination of the samples.

为了实验，我们需要一个真空移液管以避免样本污染。

2.The lab technician used a vacuum pipette to transfer the liquid samples with precision.

实验室技术员使用真空移液管精确地转移液体样本。

3.The vacuum pipette is essential for accurately measuring small volumes of liquid.

对于精确测量小体积液体，真空移液管是必不可少的。

4.She demonstrated how to operate the vacuum pipette effectively during the training session.

她在培训课程中演示了如何有效操作真空移液管。

5.Using a vacuum pipette can significantly reduce the risk of spills in the laboratory.

使用真空移液管可以显著降低实验室中溢出的风险。

作文

In the world of laboratory science, precision and accuracy are paramount. One tool that has revolutionized the way scientists handle liquid samples is the vacuum pipette. This instrument allows for the efficient transfer of liquids with minimal risk of contamination, making it an essential component in various scientific fields, including biology, chemistry, and environmental science. Understanding how a vacuum pipette works and its applications can greatly enhance laboratory efficiency and results.A vacuum pipette operates on a simple yet effective principle: it uses a vacuum to draw liquid into a tube. The design typically consists of a reservoir, a suction mechanism, and a dispensing tip. When the user activates the vacuum, air pressure is reduced within the pipette, causing liquid to be drawn up into the tube. This method of liquid handling is particularly advantageous when working with viscous or volatile substances, as it reduces the likelihood of spills and ensures precise measurement.One of the key benefits of using a vacuum pipette is its ability to minimize contamination. In many laboratory settings, maintaining the purity of samples is crucial. Traditional pipetting methods often involve manual handling, which can introduce contaminants from the user's hands or the environment. However, with a vacuum pipette, the closed system limits exposure to external factors, thereby preserving the integrity of the samples being tested.Moreover, the use of a vacuum pipette can significantly improve the speed and efficiency of experiments. For instance, in high-throughput screening processes, where numerous samples must be processed quickly, the rapid operation of a vacuum pipette allows researchers to handle multiple samples simultaneously. This capability not only saves time but also increases throughput, enabling researchers to gather more data in a shorter period.The versatility of the vacuum pipette extends beyond just liquid handling. It can be employed in various applications, such as cell culture, where precise liquid transfers are critical for the growth and maintenance of cells. Additionally, in environmental science, a vacuum pipette can be used to collect water samples from different depths in a body of water, ensuring that researchers obtain accurate representations of the aquatic environment.Despite its many advantages, it is essential to note that proper training and technique are necessary when using a vacuum pipette. Users must be familiar with the specific model they are operating, as different designs may have unique features and requirements. Additionally, regular maintenance and calibration of the instrument are vital to ensure consistent performance and accuracy over time.In conclusion, the vacuum pipette is an invaluable tool in modern laboratory practices. Its ability to provide precise, contamination-free liquid handling makes it indispensable for researchers across various scientific disciplines. As technology continues to advance, we can expect further innovations in pipetting techniques, enhancing the capabilities of tools like the vacuum pipette and improving the quality of scientific research. Embracing these advancements will undoubtedly lead to new discoveries and a deeper understanding of the world around us.

在实验室科学的世界中，精确性和准确性至关重要。一种彻底改变科学家处理液体样本方式的工具是真空移液器。这种仪器能够高效地转移液体，最大限度地降低污染风险，使其成为生物学、化学和环境科学等多个科学领域的重要组成部分。理解真空移液器的工作原理及其应用，可以大大提高实验室的效率和结果。真空移液器的工作原理简单而有效：它利用真空将液体吸入管中。其设计通常包括一个储液器、一个抽吸机制和一个分配尖端。当用户激活真空时，移液器内部的气压降低，导致液体被吸入管中。这种液体处理方法在处理粘稠或挥发性物质时特别有利，因为它减少了溢出事故的可能性，并确保了精确的测量。使用真空移液器的一个主要好处是能够最大限度地减少污染。在许多实验室环境中，保持样本的纯度至关重要。传统的移液方法通常涉及手动处理，这可能会引入来自用户手部或环境的污染。然而，使用真空移液器，封闭系统限制了对外部因素的暴露，从而保护了被测试样本的完整性。此外，使用真空移液器可以显著提高实验的速度和效率。例如，在高通量筛选过程中，需要快速处理大量样本，真空移液器的快速操作使研究人员能够同时处理多个样本。这种能力不仅节省了时间，还增加了通量，使研究人员能够在更短的时间内收集更多的数据。真空移液器的多功能性不仅限于液体处理。它可以用于多种应用，如细胞培养，在那里精确的液体转移对细胞的生长和维持至关重要。此外，在环境科学中，真空移液器可用于从水体不同深度收集水样，确保研究人员获得水环境的准确代表。尽管有许多优点，但值得注意的是，使用真空移液器时需要适当的培训和技巧。用户必须熟悉他们所操作的特定型号，因为不同的设计可能具有独特的功能和要求。此外，定期维护和校准仪器对于确保一致的性能和准确性至关重要。总之，真空移液器是现代实验室实践中的一项宝贵工具。其提供精确、无污染的液体处理能力，使其在各个科学学科的研究人员中不可或缺。随着技术的不断进步，我们可以期待移液技术的进一步创新，增强像真空移液器这样的工具的能力，并提高科学研究的质量。拥抱这些进步无疑将导致新的发现，并加深我们对周围世界的理解。