isotope dilution analysis

简明释义

同位素稀释分析

英英释义

例句

1.Researchers employed isotope dilution analysis 同位素稀释分析 to trace the sources of heavy metals in soil.

研究人员采用了同位素稀释分析 isotope dilution analysis 来追踪土壤中重金属的来源。

2.In geology, isotope dilution analysis 同位素稀释分析 helps in determining the age of rock samples.

在地质学中，同位素稀释分析 isotope dilution analysis 有助于确定岩石样本的年龄。

3.In environmental studies, isotope dilution analysis 同位素稀释分析 is often used to measure the concentration of pollutants in water samples.

在环境研究中，同位素稀释分析 isotope dilution analysis 通常用于测量水样中污染物的浓度。

4.Food safety laboratories utilize isotope dilution analysis 同位素稀释分析 to detect contaminants in food products.

食品安全实验室利用同位素稀释分析 isotope dilution analysis 来检测食品产品中的污染物。

5.The pharmaceutical company used isotope dilution analysis 同位素稀释分析 to quantify the active ingredients in their new drug formulation.

制药公司使用同位素稀释分析 isotope dilution analysis 来定量他们新药配方中的活性成分。

作文

Isotope dilution analysis is a powerful analytical technique used in various fields, including environmental science, geology, and biochemistry. This method relies on the principle of isotopic labeling to determine the concentration of a specific element or compound within a sample. By employing isotopes—atoms of the same element that have different numbers of neutrons—scientists can trace the distribution and quantity of substances in complex mixtures. The significance of isotope dilution analysis (同位素稀释分析) lies in its ability to provide accurate and reliable measurements, which are essential for understanding various chemical processes and environmental interactions.One of the primary advantages of isotope dilution analysis (同位素稀释分析) is its high level of precision. Traditional analytical methods often struggle with complex matrices, where numerous compounds may interfere with the measurement of the target analyte. In contrast, isotope dilution analysis (同位素稀释分析) minimizes these interferences by using isotopically labeled standards. This allows for a more straightforward calculation of the concentration of the substance of interest, as the ratio of the isotopes can be directly correlated to the amount present in the sample.Another important aspect of isotope dilution analysis (同位素稀释分析) is its versatility. It can be applied to a wide range of elements and compounds, making it an invaluable tool across multiple disciplines. For instance, in environmental studies, researchers utilize this technique to track pollutants and assess their impact on ecosystems. Similarly, in geology, isotope dilution analysis (同位素稀释分析) helps in dating rocks and minerals, providing insights into the Earth's history and the processes that have shaped it over millions of years.In the field of biochemistry, isotope dilution analysis (同位素稀释分析) plays a crucial role in metabolic studies. By labeling specific metabolites with isotopes, scientists can monitor their pathways and understand how they are utilized by organisms. This information is vital for drug development and nutritional research, as it sheds light on how different substances interact within biological systems.The process of isotope dilution analysis (同位素稀释分析) involves several key steps. First, a known quantity of an isotopically labeled standard is added to the sample. Next, the mixture is analyzed using sophisticated instrumentation, such as mass spectrometry or nuclear magnetic resonance (NMR) spectroscopy. These techniques allow for the precise measurement of the isotopic ratios, which are then used to calculate the concentration of the target analyte.Despite its many advantages, isotope dilution analysis (同位素稀释分析) does come with some challenges. The cost of isotopically labeled standards can be high, and the need for specialized equipment may limit accessibility for some laboratories. Additionally, the interpretation of results requires a solid understanding of isotopic behavior and chemical principles, which can pose a barrier for less experienced researchers.In conclusion, isotope dilution analysis (同位素稀释分析) is a valuable analytical technique that enhances our ability to measure and understand complex chemical systems. Its precision, versatility, and applicability across various scientific fields make it an essential tool for researchers. As technology advances and becomes more accessible, we can expect to see even greater applications of isotope dilution analysis (同位素稀释分析) in the future, further enriching our knowledge of the natural world and the intricate processes that govern it.

同位素稀释分析是一种强大的分析技术，广泛应用于环境科学、地质学和生物化学等多个领域。这种方法依赖于同位素标记的原理，以确定样品中特定元素或化合物的浓度。通过使用同位素——具有不同中子数的相同元素的原子——科学家可以追踪复杂混合物中物质的分布和数量。同位素稀释分析（isotope dilution analysis）的重要性在于它能够提供准确可靠的测量，这对理解各种化学过程和环境相互作用至关重要。同位素稀释分析（isotope dilution analysis）的主要优点之一是其高精度。传统分析方法在复杂基质中常常难以测量目标分析物，因为许多化合物可能会干扰测量。相比之下，同位素稀释分析（isotope dilution analysis）通过使用同位素标记标准来最小化这些干扰。这使得计算感兴趣物质的浓度变得更加简单，因为同位素的比率可以直接与样品中存在的量相关联。同位素稀释分析（isotope dilution analysis）的另一个重要方面是其多功能性。它可以应用于广泛的元素和化合物，使其成为多个学科中不可或缺的工具。例如，在环境研究中，研究人员利用这一技术追踪污染物并评估其对生态系统的影响。同样，在地质学中，同位素稀释分析（isotope dilution analysis）帮助对岩石和矿物进行定年，提供对地球历史及其数百万年来形成的过程的见解。在生物化学领域，同位素稀释分析（isotope dilution analysis）在代谢研究中发挥着至关重要的作用。通过用同位素标记特定代谢物，科学家可以监测其路径并了解它们如何被生物体利用。这些信息对药物开发和营养研究至关重要，因为它揭示了不同物质在生物系统中的相互作用。同位素稀释分析（isotope dilution analysis）的过程涉及几个关键步骤。首先，将已知数量的同位素标记标准添加到样品中。接下来，使用先进的仪器，如质谱或核磁共振（NMR）光谱法，对混合物进行分析。这些技术允许精确测量同位素比率，然后用于计算目标分析物的浓度。尽管有许多优点，同位素稀释分析（isotope dilution analysis）也面临一些挑战。同位素标记标准的成本可能很高，并且对专用设备的需求可能限制某些实验室的可及性。此外，结果的解释需要对同位素行为和化学原理有扎实的理解，这可能对经验较少的研究人员构成障碍。总之，同位素稀释分析（isotope dilution analysis）是一种宝贵的分析技术，增强了我们测量和理解复杂化学系统的能力。其精确性、多功能性和在多个科学领域的适用性使其成为研究人员的基本工具。随着技术的进步和可及性的提高，我们可以期待未来在同位素稀释分析（isotope dilution analysis）方面有更广泛的应用，进一步丰富我们对自然世界及其复杂过程的知识。