mass spectography

简明释义

质谱分析

英英释义

例句

1.Forensic scientists rely on mass spectography to match substances found at crime scenes.

法医科学家依赖质谱法来匹配犯罪现场发现的物质。

2.In environmental studies, mass spectography helps identify pollutants in water samples.

在环境研究中，质谱法有助于识别水样中的污染物。

3.Using mass spectography, scientists can determine the isotopic composition of ancient artifacts.

科学家可以使用质谱法确定古代文物的同位素组成。

4.The researcher used mass spectography to analyze the chemical composition of the new drug.

研究人员使用质谱法分析新药的化学成分。

5.The food industry employs mass spectography to ensure product safety and quality.

食品行业采用质谱法确保产品的安全和质量。

作文

Mass spectrometry is a powerful analytical technique that has revolutionized the field of chemistry and biology. It allows scientists to identify the composition of substances by measuring the mass-to-charge ratio of ions. This technique is widely used in various applications, including drug development, environmental monitoring, and proteomics. One of the key components of this technique is mass spectography, which refers to the process of analyzing the mass of particles and determining their structure and composition. The basic principle of mass spectography involves ionizing chemical compounds to generate charged molecules or molecule fragments and measuring their mass-to-charge ratios. The process begins with sample preparation, where the substance to be analyzed is converted into gas-phase ions. These ions are then accelerated through an electric field and directed into a mass analyzer. The mass analyzer separates the ions based on their mass-to-charge ratios, allowing for the identification and quantification of the different components present in the sample. One of the most significant advantages of mass spectography is its sensitivity. It can detect low concentrations of substances, making it an invaluable tool in drug testing and forensic analysis. For example, in toxicology, mass spectography can identify trace amounts of drugs or poisons in biological samples, providing crucial information in legal investigations. Additionally, mass spectography can provide structural information about molecules. By analyzing the fragmentation patterns of ions, researchers can deduce the structure of unknown compounds. This capability is particularly useful in the field of proteomics, where scientists study proteins and their functions. Using mass spectography, researchers can identify proteins in complex mixtures and understand their interactions within biological systems. Moreover, mass spectography has found applications beyond traditional chemistry and biology. In environmental science, it is used to monitor pollutants in air, water, and soil. By analyzing the mass of contaminants, scientists can assess the impact of human activities on ecosystems and public health. In conclusion, mass spectography is an essential tool in modern scientific research. Its ability to accurately identify and quantify substances at low concentrations makes it a cornerstone of analytical chemistry. As technology advances, the applications of mass spectography continue to expand, offering new insights into the molecular world and enhancing our understanding of various scientific fields. The ongoing development of more sophisticated mass spectrometers and techniques promises to unlock even greater potential for this remarkable analytical method.

质谱法是一种强大的分析技术，彻底改变了化学和生物学领域。它通过测量离子的质荷比来识别物质的组成。这项技术在药物开发、环境监测和蛋白质组学等各种应用中得到了广泛使用。该技术的关键组成部分之一是质谱法，它指的是分析粒子的质量并确定其结构和组成的过程。质谱法的基本原理是对化合物进行电离，以生成带电分子或分子碎片，并测量它们的质荷比。这个过程始于样品准备，其中待分析的物质被转化为气相离子。这些离子随后通过电场加速并导入质谱分析仪。质谱分析仪根据离子的质荷比分离这些离子，从而允许识别和定量样品中存在的不同组分。质谱法的一个显著优点是其灵敏度。它可以检测低浓度的物质，使其成为药物测试和法医分析中不可或缺的工具。例如，在毒理学中，质谱法可以识别生物样本中微量药物或毒物，为法律调查提供关键信息。此外，质谱法可以提供关于分子的结构信息。通过分析离子的碎片化模式，研究人员可以推断未知化合物的结构。这种能力在蛋白质组学领域尤其有用，科学家研究蛋白质及其功能。利用质谱法，研究人员可以识别复杂混合物中的蛋白质，并了解它们在生物系统中的相互作用。此外，质谱法的应用超出了传统的化学和生物学。在环境科学中，它用于监测空气、水和土壤中的污染物。通过分析污染物的质量，科学家可以评估人类活动对生态系统和公共健康的影响。总之，质谱法是现代科学研究中的一项重要工具。它以低浓度准确识别和定量物质的能力，使其成为分析化学的基石。随着技术的进步，质谱法的应用不断扩展，为我们提供了对分子世界的新见解，并增强了我们对各个科学领域的理解。更先进的质谱仪和技术的持续发展承诺释放出这一卓越分析方法的更大潜力。