supernate

简明释义

[ˈsuːpərˌneɪt][ˈsuːpərˌneɪt]

n. [免疫] 上清液;浮在表面的液体层

英英释义

To separate a liquid from a solid by pouring off the liquid that has settled above the solid.

通过倾倒上层沉淀在固体上的液体来分离液体和固体。

单词用法

同义词

decant

倾析

After the mixture settled, we decided to decant the clear liquid from the sediment.

混合物沉淀后,我们决定将清液从沉淀物中倾析出来。

pour off

倒出

You should pour off the top layer carefully to avoid disturbing the solids at the bottom.

你应该小心地倒出上层,以避免扰动底部的固体。

strain

过滤

Strain the liquid through a fine mesh to remove any remaining particles.

通过细网过滤液体,以去除任何剩余颗粒。

反义词

sediment

沉淀物

The sediment settled at the bottom of the container.

沉淀物在容器底部沉降。

precipitate

沉淀

The precipitate formed after the chemical reaction was visible.

化学反应后形成的沉淀是可见的。

例句

1.There was also secretion of recombinant goat FSH in culture media supernate using radioimmunoassay.

培养上清fsh放射免疫检测,发现有重组fsh的分泌。

2.There was also secretion of recombinant goat FSH in culture media supernate using radioimmunoassay.

培养上清fsh放射免疫检测,发现有重组fsh的分泌。

3.The results showed that both the cell-free extract and culture supernate from mouse SRS-82 cell line were leukemogenic.

结果表明SRS-82 株的无细胞提取液和其培养上清液的离心沉淀物皆具有致白血病活性。

4.After centrifugation, the liquid above the solid residue is referred to as the supernate.

离心后,固体残渣上方的液体被称为上清液

5.The concentration of proteins in the supernate was measured using a spectrophotometer.

使用分光光度计测量了上清液中蛋白质的浓度。

6.In the lab, we often collect the supernate for further analysis.

在实验室中,我们经常收集上清液以进行进一步分析。

7.To isolate the cells, we need to carefully pipette the supernate without disturbing the pellet.

为了分离细胞,我们需要小心地吸取上清液,而不打扰沉淀物。

8.The supernate contains dissolved substances that can be important for our experiment.

上清液含有对我们的实验重要的溶解物质。

作文

In the realm of chemistry, the term supernate refers to the liquid that remains above a solid residue after a process such as centrifugation or sedimentation. This concept is crucial in various scientific and industrial applications, including pharmaceuticals, biochemistry, and environmental science. Understanding how to effectively manage and utilize supernate can lead to more efficient processes and better outcomes in research and production.To illustrate the importance of supernate, consider a common laboratory procedure involving the separation of cellular components. When cells are subjected to centrifugation, they are spun at high speeds, causing denser materials, such as organelles and cell debris, to settle at the bottom of the container. The liquid that remains above this settled material is referred to as the supernate. This liquid often contains valuable proteins, nucleic acids, or other biomolecules that researchers may wish to study or utilize.The ability to isolate supernate is vital for obtaining pure samples of these substances. For instance, in the field of drug development, scientists frequently extract compounds from biological samples. By carefully removing the supernate, they can concentrate their efforts on analyzing the active ingredients without interference from unwanted solids.Moreover, the management of supernate is not limited to laboratory settings. In environmental science, the treatment of wastewater often involves similar principles. After physical and chemical treatments, the solid waste settles at the bottom of treatment tanks, leaving behind a liquid phase that can be further purified or tested. The liquid portion, again, is the supernate, which may contain harmful pollutants or nutrients that need to be addressed before the water can be safely released into ecosystems.In addition to its practical applications, the concept of supernate serves as a metaphor in various fields. For example, in business, one might consider the 'supernate' of a project as the insights and knowledge gained after filtering through challenges and setbacks. Just as scientists strive to extract useful components from the supernate, professionals can learn valuable lessons from their experiences, ultimately leading to improved strategies and outcomes.Furthermore, the handling of supernate requires precision and care. In laboratories, failing to properly separate and store the supernate can lead to contamination or degradation of sensitive samples. Similarly, in environmental contexts, improper management of supernate can result in ecological harm, highlighting the responsibility that comes with this process.In conclusion, the term supernate encapsulates a significant aspect of both scientific practice and broader life experiences. Its relevance stretches from laboratory techniques to environmental management and personal growth. By appreciating the role of supernate, we can enhance our understanding of complex systems and improve our approaches to problem-solving in various domains.

在化学领域,术语supernate指的是在离心或沉淀等过程后,固体残留物上方剩余的液体。这一概念在制药、生物化学和环境科学等多种科学和工业应用中至关重要。有效管理和利用supernate可以提高研究和生产中的效率和成果。为了说明supernate的重要性,考虑一个涉及细胞组分分离的常见实验室程序。当细胞经过离心时,它们以高速旋转,导致较密集的物质(如细胞器和细胞碎片)沉淀在容器底部。剩下的液体被称为supernate。这种液体通常含有宝贵的蛋白质、核酸或其他生物分子,研究人员可能希望研究或利用这些物质。隔离supernate的能力对于获得这些物质的纯样本至关重要。例如,在药物开发领域,科学家经常从生物样本中提取化合物。通过小心去除supernate,他们可以集中精力分析活性成分,而不受不必要固体的干扰。此外,supernate的管理不仅限于实验室环境。在环境科学中,废水处理通常涉及类似的原则。在物理和化学处理后,固体废物沉淀在处理池的底部,留下可以进一步净化或测试的液相。这一液体部分再次是supernate,可能含有需要处理的有害污染物或营养物质,以便安全释放到生态系统中。除了实际应用外,supernate的概念在各个领域也作为隐喻。例如,在商业中,人们可能将项目的“supernate”视为在过滤挑战和挫折后获得的见解和知识。正如科学家努力从supernate中提取有用成分一样,专业人士也可以从他们的经验中学习宝贵的教训,最终导致改进的策略和结果。此外,处理supernate需要精确和谨慎。在实验室中,未能正确分离和储存supernate可能导致敏感样本的污染或降解。同样在环境背景下,不当管理supernate可能导致生态危害,突显了这一过程所带来的责任。总之,术语supernate概括了科学实践和更广泛生活经历中的一个重要方面。它的相关性从实验室技术延伸到环境管理和个人成长。通过欣赏supernate的作用,我们可以增强对复杂系统的理解,并改善我们在各个领域解决问题的方法。