micropipette

简明释义

英[ˌmaɪkrəʊpɪˈpet]美[maɪkroʊˈpaɪpet]

n. 微量吸液管

英英释义

单词用法

同义词

反义词

例句

1.Effects of cytochalasin B and thawing program on glass micropipette (GMP) vitrification of mouse mature oocytes were investigated.

探讨细胞松弛素b和解冻程序对玻璃微细管法(GMP)玻璃化冷冻小鼠卵母细胞的影响。

2.Glass micropipette placed in PVN was used to record unit discharges of neurons in it, before and after LPS was injected into PVN in normal rats and vagotomy rats.

用数字体温检测仪测定大鼠体温。用玻璃微电极记录正常大鼠和膈下迷走神经切断大鼠给予LPS前后下丘脑室旁核的单位放电。

3.The micropipette puller system designed in the paper can fabricate good cell injection pipette with high stability.

设计的拉针仪系统稳定性高、重复性好，能够拉制出符合要求的注射针。

4.In this experiment, tiny amount of chemoattractants are released through micropipette.

在这个实验中，微量的化学诱导物通过微量吸移管释放。

5.Using micropipette, the taste buds were successfully isolated from rat tongue epithelium and then placed on LAPS chip.

采用微吸管吸取技术，我们体外分离出大鼠的味蕾，将其培养在LAPS芯片上。

6.At last, a new method named bubble maximum pressure is advanced to measure the inner diameter of micropipette, furthermore, the experiment data are analyzed to some extent.

论文最后采用“气泡最大压力法”测定出微针内径，同时对实验结果进行了一定的分析和总结。

7.But here she was in a laboratory on a snowy day in January - while many of her peers across the country were still on winter break - inserting a piece of DNA into bacteria with a micropipette.

但是在大学纷飞的一月，和她一样在寒假里来自全国的同僚，正在正在显微镜下将一片DNA样本嵌入到细菌里。

8.But here she was in a laboratory on a snowy day in January - while many of her peers across the country were still on winter break - inserting a piece of DNA into bacteria with a micropipette.

但是在大学纷飞的一月，和她一样在寒假里来自全国的同僚，正在正在显微镜下将一片DNA样本嵌入到细菌里。

9.To accurately measure small volumes of liquid, researchers often use a micropipette.

为了准确测量小体积的液体，研究人员通常使用微量移液器。

10.The micropipette is essential for performing PCR experiments.

在进行PCR实验时，微量移液器是必不可少的。

11.In the lab, I used a micropipette to transfer 10 microliters of DNA sample.

在实验室，我使用微量移液器转移了10微升的DNA样本。

12.Using a micropipette, I can precisely add reagents to my samples.

使用微量移液器，我可以精确地向样品中添加试剂。

13.Make sure to calibrate your micropipette before starting the experiment.

在开始实验之前，确保校准你的微量移液器。

作文

In the world of scientific research and laboratory work, precision is of utmost importance. One of the essential tools that scientists rely on to ensure accuracy in their experiments is the micropipette. A micropipette is a laboratory instrument used to measure and transfer small volumes of liquid, typically in the microliter range. This device allows researchers to handle minute quantities of liquids with great precision, making it indispensable in various fields such as molecular biology, biochemistry, and pharmaceuticals.The micropipette operates on a simple yet effective principle. It consists of a piston mechanism that creates a vacuum when the piston is pulled up, allowing liquid to be drawn into a disposable tip attached to the end of the pipette. By pushing the piston back down, the researcher can dispense the exact amount of liquid needed for their experiment. There are different types of micropipettes, including single-channel and multi-channel models. Single-channel micropipettes are commonly used for individual samples, while multi-channel versions enable the simultaneous handling of multiple samples, significantly increasing efficiency in high-throughput experiments.One of the key features of a micropipette is its adjustable volume setting, which allows users to select the desired volume of liquid to be transferred. This versatility is crucial when working with various reagents that may require different volumes for accurate results. For instance, in PCR (polymerase chain reaction) experiments, the precise addition of DNA templates, primers, and enzymes is critical for successful amplification. The use of a micropipette ensures that these components are added in the correct proportions, minimizing the risk of errors that could compromise the entire experiment.Moreover, the accuracy and precision of a micropipette are vital for reproducibility in scientific research. When conducting experiments, scientists must ensure that their results can be replicated by others. If a micropipette is not calibrated correctly or if it is used improperly, it can lead to variations in the volume of liquid dispensed, ultimately affecting the outcome of the experiment. Therefore, regular maintenance and calibration of micropipettes are essential practices in any laboratory setting.The significance of the micropipette extends beyond just its technical function. It symbolizes the advancement of laboratory techniques and the ongoing quest for precision in scientific inquiry. As research becomes more sophisticated and the demand for accuracy increases, the micropipette continues to evolve. Innovations such as electronic micropipettes have emerged, offering enhanced features like programmable dispensing and reduced user fatigue, further streamlining laboratory workflows.In conclusion, the micropipette is an invaluable tool in the realm of scientific research. Its ability to accurately measure and transfer small volumes of liquid has made it a cornerstone of modern laboratory practices. Understanding how to properly use and maintain a micropipette is essential for any aspiring scientist. As we continue to push the boundaries of science, the role of the micropipette will undoubtedly remain critical in our pursuit of knowledge and discovery.

在科学研究和实验室工作中，精确性至关重要。科学家们依赖的基本工具之一是微量移液器。微量移液器是一种实验室仪器，用于测量和转移小体积的液体，通常在微升范围内。该设备使研究人员能够以极高的精度处理微量液体，使其在分子生物学、生物化学和制药等多个领域中不可或缺。微量移液器的工作原理简单而有效。它由一个活塞机制组成，当活塞向上拉时，会产生真空，从而将液体吸入连接在移液器末端的一次性尖端中。通过将活塞推回，研究人员可以分配所需的精确液体量。微量移液器有不同类型，包括单通道和多通道模型。单通道微量移液器通常用于单个样本，而多通道版本则能够同时处理多个样本，从而显著提高高通量实验的效率。微量移液器的一个关键特性是其可调的体积设置，这使用户能够选择所需转移的液体量。这种灵活性在处理可能需要不同体积以获得准确结果的各种试剂时至关重要。例如，在PCR（聚合酶链反应）实验中，DNA模板、引物和酶的精确添加对于成功扩增至关重要。使用微量移液器确保这些成分以正确的比例添加，从而最小化可能影响整个实验的错误风险。此外，微量移液器的准确性和精确性对科学研究的可重复性至关重要。在进行实验时，科学家必须确保他们的结果可以被他人复制。如果微量移液器校准不正确或使用不当，可能会导致分配的液体体积出现变化，最终影响实验结果。因此，定期维护和校准微量移液器是任何实验室环境中的基本实践。微量移液器的重要性不仅仅体现在其技术功能上。它象征着实验室技术的进步和对科学探究中精确性的不断追求。随着研究变得越来越复杂，对准确性的需求不断增加，微量移液器也在不断发展。电子微量移液器等创新已经出现，提供了增强的功能，如可编程分配和减少用户疲劳，进一步简化了实验室工作流程。总之，微量移液器是科学研究领域中一项无价的工具。它精确测量和转移小体积液体的能力使其成为现代实验室实践的基石。了解如何正确使用和维护微量移液器对任何有抱负的科学家来说都是必不可少的。随着我们继续推动科学的边界，微量移液器在我们追求知识和发现的过程中无疑将继续发挥关键作用。