tagged molecule

简明释义

标记分子

英英释义

例句

1.Using a tagged molecule, scientists can track the distribution of drugs in different tissues.

科学家们可以利用标记分子追踪药物在不同组织中的分布。

2.By attaching a fluorescent label to the tagged molecule, we can monitor its movement in real time.

通过将荧光标签附加到标记分子上，我们可以实时监测其运动。

3.The researchers used a tagged molecule to trace the pathway of drug absorption in the body.

研究人员使用了一个标记分子来追踪药物在体内的吸收路径。

4.In this experiment, the tagged molecule allowed us to visualize cellular interactions under a microscope.

在这个实验中，标记分子使我们能够在显微镜下可视化细胞间的相互作用。

5.The study focused on how the tagged molecule interacts with specific receptors on the cell surface.

该研究集中于标记分子如何与细胞表面的特定受体相互作用。

作文

In the field of molecular biology and biochemistry, the concept of a tagged molecule plays a crucial role in various experimental techniques. A tagged molecule refers to a molecule that has been chemically modified to include a specific label or tag, which can be used for identification, tracking, or purification purposes. This tagging process is essential for researchers who aim to study the behavior and interaction of specific molecules within complex biological systems.One common application of tagged molecules is in the study of proteins. Scientists often attach fluorescent tags to proteins, allowing them to visualize protein localization and dynamics inside living cells. For example, when a protein is tagged with a green fluorescent protein (GFP), researchers can observe the protein's movement and interactions in real-time using advanced imaging techniques. This ability to track tagged molecules provides valuable insights into cellular processes, such as signal transduction and protein synthesis.Moreover, tagged molecules are also widely used in purification techniques. Affinity chromatography, for instance, utilizes tagged molecules to isolate specific proteins from complex mixtures. By attaching a specific tag to a protein of interest, scientists can use a column containing ligands that bind to that tag, effectively separating the tagged molecule from other non-tagged molecules. This method enhances the efficiency and purity of protein isolation, which is vital for further studies and applications.Another significant aspect of tagged molecules is their role in drug development and therapeutic research. In the pharmaceutical industry, researchers often use tagged molecules to track the distribution and metabolism of drugs within the body. By incorporating a radioactive or fluorescent tag into a drug molecule, scientists can monitor how the drug is absorbed, distributed, metabolized, and excreted by the body. This information is critical for understanding a drug's efficacy and safety profile, ultimately leading to better therapeutic outcomes.Furthermore, tagged molecules have applications beyond basic research and drug development. They are also employed in diagnostic techniques, such as in vitro assays and imaging studies. For instance, in cancer diagnostics, tagged molecules can be used to target and visualize tumor cells, providing clinicians with essential information for diagnosis and treatment planning. The ability to specifically identify and quantify tagged molecules in biological samples enhances the accuracy and reliability of diagnostic tests.In conclusion, the use of tagged molecules is a fundamental technique in modern biological research and applications. Their ability to provide insights into molecular interactions, facilitate purification processes, and enhance drug development and diagnostics underscores their importance in advancing our understanding of biology and medicine. As technology continues to evolve, the methods for creating and utilizing tagged molecules will likely become more sophisticated, opening new avenues for research and innovation in various scientific fields.

在分子生物学和生物化学领域，标记分子的概念在各种实验技术中发挥着至关重要的作用。标记分子是指经过化学修饰以包含特定标签或标记的分子，这些标签可用于识别、跟踪或纯化目的。这个标记过程对于研究人员来说至关重要，他们旨在研究特定分子在复杂生物系统中的行为和相互作用。标记分子的一个常见应用是在蛋白质研究中。科学家们通常将荧光标签附加到蛋白质上，使他们能够在活细胞内可视化蛋白质的定位和动态。例如，当一个蛋白质被标记为绿色荧光蛋白（GFP）时，研究人员可以使用先进的成像技术实时观察该蛋白质的运动和相互作用。跟踪标记分子的能力为细胞过程提供了宝贵的见解，例如信号转导和蛋白质合成。此外，标记分子在纯化技术中也被广泛使用。例如，亲和色谱利用标记分子从复杂混合物中分离特定蛋白质。通过将特定标签附加到感兴趣的蛋白质上，科学家可以使用含有与该标签结合的配体的柱子，有效地将标记分子与其他非标记分子分开。这种方法提高了蛋白质分离的效率和纯度，这对进一步研究和应用至关重要。标记分子的另一个重要方面是它们在药物开发和治疗研究中的作用。在制药行业，研究人员经常使用标记分子来跟踪药物在体内的分布和代谢。通过将放射性或荧光标签纳入药物分子，科学家可以监测药物如何被吸收、分布、代谢和排泄。此信息对于理解药物的有效性和安全性特征至关重要，最终导致更好的治疗结果。此外，标记分子不仅限于基础研究和药物开发，它们还被用于诊断技术，例如体外检测和成像研究。例如，在癌症诊断中，标记分子可用于靶向和可视化肿瘤细胞，为临床医生提供重要的诊断和治疗规划信息。能够在生物样本中特异性识别和定量标记分子增强了诊断测试的准确性和可靠性。总之，标记分子的使用是现代生物研究和应用中的基本技术。它们提供了对分子相互作用的见解，促进了纯化过程，并增强了药物开发和诊断的能力，突显了它们在推进我们对生物学和医学理解中的重要性。随着技术的不断发展，创建和利用标记分子的方法可能会变得更加复杂，为各个科学领域的研究和创新开辟新的途径。