mass spectroscopy

简明释义

质谱学

英英释义

例句

1.The food industry uses mass spectroscopy 质谱法 to ensure the safety and quality of products.

食品行业使用质谱法来确保产品的安全性和质量。

2.Researchers are developing new techniques in mass spectroscopy 质谱法 for better accuracy in protein analysis.

研究人员正在开发新的质谱法技术，以提高蛋白质分析的准确性。

3.Forensic scientists often rely on mass spectroscopy 质谱法 to identify unknown substances at crime scenes.

法医科学家常常依赖质谱法来识别犯罪现场的未知物质。

4.In environmental studies, mass spectroscopy 质谱法 can detect pollutants in water samples.

在环境研究中，质谱法可以检测水样中的污染物。

5.The researcher used mass spectroscopy 质谱法 to analyze the chemical composition of the new drug.

研究人员使用质谱法来分析新药的化学成分。

作文

Mass spectroscopy, or 质谱法, is a powerful analytical technique used to measure the mass-to-charge ratio of ions. This method has become an essential tool in various fields such as chemistry, biology, and environmental science. The principle behind 质谱法 involves the ionization of chemical compounds, followed by the separation of these ions based on their mass-to-charge ratios. This allows scientists to identify and quantify different substances within a sample with high precision.The history of 质谱法 dates back to the early 20th century when J.J. Thomson first discovered the electron. His work laid the foundation for understanding how charged particles behave in electric and magnetic fields. Over the years, advancements in technology have led to the development of more sophisticated mass spectrometers, which can analyze complex mixtures and provide detailed information about molecular structures.One of the key advantages of 质谱法 is its sensitivity. It can detect even trace amounts of substances, making it invaluable in fields like forensic science where identifying minute quantities of drugs or toxins is crucial. In addition, 质谱法 is often coupled with chromatographic techniques, such as gas chromatography (GC) or liquid chromatography (LC), allowing for even greater separation and identification of compounds in a mixture.In the field of biology, 质谱法 plays a vital role in proteomics, the study of proteins and their functions. By analyzing the mass of peptides generated from protein digestion, researchers can infer information about protein structure, post-translational modifications, and interactions. This has significant implications for drug discovery and understanding disease mechanisms.Moreover, 质谱法 is also utilized in environmental science to monitor pollutants in air, water, and soil. By identifying the specific compounds present in a sample, scientists can assess the impact of human activities on ecosystems and public health. For instance, measuring pesticide residues in agricultural products ensures food safety and compliance with regulations.Despite its many advantages, 质谱法 does come with challenges. Sample preparation can be complex and time-consuming, requiring careful optimization to obtain reliable results. Additionally, data analysis can be intricate, often necessitating advanced software and statistical methods to interpret the mass spectra accurately.In conclusion, 质谱法 is an indispensable technique in modern scientific research. Its ability to provide detailed insights into the composition of various substances has transformed our understanding of chemical and biological processes. As technology continues to advance, we can expect even more innovative applications of 质谱法 in diverse fields, further enhancing our ability to explore and manipulate the molecular world around us.

质谱法是一种强大的分析技术，用于测量离子的质荷比。这种方法已成为化学、生物学和环境科学等各个领域的重要工具。质谱法的原理涉及化学化合物的电离，然后根据其质荷比分离这些离子。这使科学家能够以高精度识别和定量样本中的不同物质。质谱法的历史可以追溯到20世纪初，当时J.J.汤姆森首次发现了电子。他的工作为理解带电粒子在电场和磁场中的行为奠定了基础。随着技术的进步，越来越复杂的质谱仪得以开发，能够分析复杂混合物并提供关于分子结构的详细信息。质谱法的一个主要优点是其灵敏度。它能够检测到微量物质，这使其在法医学领域中不可或缺，在这里，识别药物或毒素的微小数量至关重要。此外，质谱法通常与色谱技术（如气相色谱或液相色谱）联用，从而允许在混合物中实现更大的分离和化合物的鉴定。在生物学领域，质谱法在蛋白质组学中扮演着重要角色，蛋白质组学是研究蛋白质及其功能的学科。通过分析从蛋白质消化中生成的肽的质量，研究人员可以推断出有关蛋白质结构、翻译后修饰和相互作用的信息。这对药物发现和理解疾病机制具有重要意义。此外，质谱法还用于环境科学，以监测空气、水和土壤中的污染物。通过识别样本中存在的特定化合物，科学家能够评估人类活动对生态系统和公共健康的影响。例如，测量农业产品中的农药残留物确保食品安全和遵守法规。尽管有许多优点，质谱法也面临挑战。样品制备可能复杂且耗时，需要仔细优化以获得可靠结果。此外，数据分析可能很复杂，通常需要先进的软件和统计方法来准确解释质谱数据。总之，质谱法是现代科学研究中不可或缺的技术。它提供的有关各种物质成分的详细见解改变了我们对化学和生物过程的理解。随着技术的不断进步，我们可以期待在各个领域中对质谱法的更多创新应用，进一步增强我们探索和操控周围分子世界的能力。