tagged atom

简明释义

示踪原子

英英释义

例句

1.By using a tagged atom, we were able to monitor the chemical reactions over time with greater accuracy.

通过使用标记原子，我们能够更准确地监测化学反应的过程。

2.In nuclear medicine, a tagged atom is often used to visualize organs during imaging procedures.

在核医学中，标记原子通常用于在成像过程中可视化器官。

3.In our experiment, we used a tagged atom to trace the movement of particles in the reaction.

在我们的实验中，我们使用了一个标记原子来追踪反应中粒子的运动。

4.The tagged atom was essential for understanding the dynamics of the molecular interactions.

这个标记原子对于理解分子间的相互作用动态至关重要。

5.The researchers discovered that the tagged atom could help identify the source of contamination in the water supply.

研究人员发现，标记原子可以帮助识别水源污染的来源。

作文

In the field of chemistry and biology, the concept of a tagged atom plays a crucial role in understanding molecular interactions and biological processes. A tagged atom refers to an atom that has been labeled with a detectable marker, which can be a radioactive isotope or a fluorescent dye. This labeling allows scientists to track the movement and behavior of the atom within a larger molecule or system. The use of tagged atoms is particularly important in experiments where the dynamics of molecules are studied, such as in metabolic pathways or chemical reactions.For instance, in metabolic studies, researchers often use tagged atoms to trace the path of nutrients through an organism. By introducing a tagged atom into a specific nutrient, scientists can monitor how that nutrient is absorbed, transformed, and utilized by the body. This tracking provides valuable insights into metabolic processes and can help identify abnormalities in metabolism that may lead to diseases.Moreover, the application of tagged atoms extends beyond biology and into the realm of environmental science. Scientists can use tagged atoms to study the movement of pollutants in ecosystems. By tagging a pollutant with a detectable isotope, researchers can follow its journey through soil, water, and air, thus gaining a better understanding of its impact on the environment. This information is vital for developing strategies to mitigate pollution and protect ecosystems.In addition to these applications, tagged atoms are also essential in medical imaging techniques. For example, in Positron Emission Tomography (PET) scans, a tagged atom is introduced into the body, and its decay emits positrons. The emitted signals are then captured to create detailed images of metabolic activity within tissues. This technique is invaluable for diagnosing conditions such as cancer, where abnormal metabolic activity can indicate the presence of tumors.Furthermore, the study of tagged atoms has led to advancements in the development of new materials. By incorporating tagged atoms into the synthesis of nanomaterials, researchers can manipulate their properties for specific applications, such as drug delivery systems or catalysts in chemical reactions. The ability to track and understand the behavior of these tagged atoms at the nanoscale opens up new possibilities in material science.In conclusion, the concept of a tagged atom is fundamental in various scientific disciplines, providing a powerful tool for tracking and understanding molecular behavior. Whether in biological research, environmental studies, medical imaging, or materials science, tagged atoms offer invaluable insights that enhance our knowledge and ability to innovate. As technology advances, the use of tagged atoms will undoubtedly continue to expand, leading to further discoveries and applications that benefit society as a whole.

在化学和生物学领域，标记原子的概念在理解分子相互作用和生物过程方面发挥着至关重要的作用。标记原子是指用可检测的标记物（如放射性同位素或荧光染料）标记的原子。这种标记使科学家能够追踪原子在更大分子或系统中的运动和行为。标记原子的使用在研究分子的动态过程中尤为重要，例如在代谢途径或化学反应中。例如，在代谢研究中，研究人员常常使用标记原子来追踪营养物质在生物体内的路径。通过将标记原子引入特定的营养物质，科学家可以监测该营养物质如何被吸收、转化和利用。这种追踪提供了对代谢过程的宝贵见解，并有助于识别可能导致疾病的代谢异常。此外，标记原子的应用不仅限于生物学，还扩展到了环境科学领域。科学家可以使用标记原子研究污染物在生态系统中的运动。通过用可检测的同位素标记污染物，研究人员可以跟踪其在土壤、水和空气中的旅程，从而更好地了解其对环境的影响。这些信息对于制定减轻污染和保护生态系统的策略至关重要。除了这些应用，标记原子在医学成像技术中也至关重要。例如，在正电子发射断层扫描（PET）中，将标记原子引入体内，其衰变会发出正电子。然后捕获发出的信号，以创建组织内代谢活动的详细图像。这种技术对于诊断癌症等病症非常宝贵，因为异常的代谢活动可能表明肿瘤的存在。此外，对标记原子的研究推动了新材料的发展。通过将标记原子纳入纳米材料的合成中，研究人员可以操纵其特性以用于特定应用，例如药物输送系统或化学反应中的催化剂。在纳米尺度上追踪和理解这些标记原子的行为，为材料科学开辟了新的可能性。总之，标记原子的概念在各个科学学科中都是基础，为追踪和理解分子行为提供了强大的工具。无论是在生物研究、环境研究、医学成像还是材料科学中，标记原子都提供了宝贵的见解，增强了我们的知识和创新能力。随着技术的进步，标记原子的使用无疑将继续扩展，带来进一步的发现和应用，造福整个社会。