mutagenicity

简明释义

英[ˌmjuːtədʒəˈnɪsətɪ]美[ˌmjʊtədʒəˈnɪsəti]

n. [遗] 诱变（生）

英英释义

单词用法

同义词

反义词

例句

1.Objective To investigate the mutagenicity of drinking water and water source in a certain region.

目的探讨某地区各类饮用水及水源水致突变性。

2.The mutagenicity of Coal Tar Enamel Volatiles (CTEV)was studied.

本文研究了煤焦油瓷漆逸散物（CTEV）的致突变性。

3.The results also showed that the Ethylchlozate has no mutagenicity.

三项试验的结果均表明吲熟酯未显有致突变作用。

4.Purpose: To study the mutagenicity of HUWEN analgesic peptide 1 (HWAP 1).

目的：研究虎纹镇痛肽1 (HWAP 1)的致突变性。

5.Results The productive water one printing and dyeing plant existed pollution of mutagenicity before production.

结果印染厂的生产用水在用于生产之前已受到致突变性污染。

6.BFGF has clear away effect and a definite anti-mutagenicity.

且清除效应提示显示出一定的抗诱变性。

7.Objective To approach the mutagenicity of drinking water and source water in plentiful phase and in exhausted phase in the region.

目的探讨某地区丰水期和枯水期的饮用水及水源水的致突变性。

8.RESULTS: Aristolochic acid has nephrotoxicity, alimentary canal toxicity, carcinogenicity, mutagenicity and genotoxicity.

结果：马兜铃酸具有肾毒性、消化道毒性、致癌性、致突变性和基因毒性。

9.The researchers conducted a study to evaluate the mutagenicity of various chemicals in the laboratory.

研究人员进行了一项研究，以评估各种化学物质在实验室中的致突变性。

10.High levels of radiation are known to increase the mutagenicity of certain substances.

已知高水平的辐射会增加某些物质的致突变性。

11.The mutagenicity of the new drug was tested on human cells before clinical trials.

在临床试验之前，新药的致突变性在人体细胞上进行了测试。

12.Some food additives have been scrutinized for their potential mutagenicity.

一些食品添加剂因其潜在的致突变性而受到审查。

13.Regulatory agencies require testing for mutagenicity before approving new chemicals.

监管机构要求在批准新化学品之前进行致突变性测试。

作文

In recent years, the study of environmental pollutants has gained significant attention due to their potential impact on human health. One critical aspect of this research is the examination of substances that exhibit mutagenicity, which refers to the ability of a substance to induce genetic mutations in living organisms. Understanding mutagenicity is essential for assessing the risks associated with exposure to various chemicals, particularly those found in industrial waste, pesticides, and even some food additives. The concept of mutagenicity is rooted in genetics. Mutagens can cause changes in the DNA sequence, leading to alterations in cellular function and potentially resulting in cancer or hereditary diseases. For instance, certain chemicals, such as benzene and formaldehyde, have been identified as mutagens that can increase the likelihood of developing leukemia and other forms of cancer. This emphasizes the importance of studying the mutagenicity of various compounds to protect public health. Research on mutagenicity often involves laboratory tests using bacterial and mammalian cell cultures. The Ames test, for example, is a widely used method that assesses the mutagenic potential of a substance by observing its effects on specific strains of bacteria. If the bacteria show an increase in mutation rates after exposure to the chemical, it indicates that the substance may possess mutagenic properties. Such tests are crucial for regulatory agencies to evaluate the safety of new chemicals before they are approved for use in consumer products. Moreover, understanding mutagenicity is not only relevant for chemical safety but also for understanding natural processes. Some natural compounds, such as those found in certain plants and fungi, can exhibit mutagenic properties as well. For example, aflatoxins, produced by mold, are potent mutagens that can contaminate food supplies and pose serious health risks. This highlights the need for comprehensive studies that consider both synthetic and natural sources of mutagens. In addition to laboratory research, epidemiological studies play a vital role in assessing the impact of mutagenicity on human populations. These studies investigate the correlation between exposure to potential mutagens and the incidence of genetic disorders or cancers in specific communities. By analyzing data from these studies, scientists can identify patterns and make informed recommendations for reducing exposure to harmful substances. Furthermore, public awareness of mutagenicity is crucial for promoting safer practices in industries that handle hazardous materials. Educating workers about the risks associated with mutagenic substances can lead to better safety protocols and reduced exposure. Additionally, consumers should be informed about the potential risks of certain chemicals in products they use daily, empowering them to make safer choices. In conclusion, the study of mutagenicity is a critical component of toxicology and environmental health. By understanding how various substances can induce genetic mutations, we can better assess the risks they pose to human health and the environment. Continued research in this field will not only help in the development of safer chemicals but also contribute to the overall understanding of genetic diseases and cancer prevention. As we move forward, it is essential to prioritize the investigation of mutagenicity to ensure a healthier future for all.

近年来，由于环境污染物对人类健康的潜在影响，研究环境污染物的重要性显著增加。这个研究的一个关键方面是检查那些表现出突变性的物质，这指的是一种物质诱导生物体内遗传突变的能力。理解突变性对于评估接触各种化学物质的风险至关重要，特别是那些存在于工业废物、农药甚至一些食品添加剂中的物质。 突变性的概念根植于遗传学。致突变物质可以导致DNA序列的变化，从而导致细胞功能的改变，并可能导致癌症或遗传疾病。例如，某些化学物质，如苯和甲醛，被确定为能够增加发展白血病和其他癌症形式的致突变物。这强调了研究各种化合物的突变性以保护公共健康的重要性。 对突变性的研究通常涉及使用细菌和哺乳动物细胞培养的实验室测试。例如，Ames测试是一种广泛使用的方法，通过观察物质对特定细菌菌株的影响来评估其致突变潜力。如果细菌在暴露于化学物质后显示突变率的增加，这表明该物质可能具有致突变特性。这些测试对于监管机构在批准新化学物质用于消费品之前评估安全性至关重要。 此外，理解突变性不仅与化学安全相关，也与理解自然过程有关。一些天然化合物，如某些植物和真菌中发现的物质，也可能表现出致突变特性。例如，产生霉菌的黄曲霉毒素是强致突变物，可能污染食品供应并构成严重健康风险。这突显了需要进行全面研究，以考虑合成和天然来源的致突变物。 除了实验室研究，流行病学研究在评估突变性对人类群体的影响中也发挥着重要作用。这些研究调查潜在致突变物的暴露与特定社区遗传疾病或癌症发生率之间的关联。通过分析这些研究的数据，科学家们可以识别模式并提出减少接触有害物质的明智建议。 此外，公众对突变性的认识对于促进处理危险材料的行业中的安全实践至关重要。教育工人了解与致突变物质相关的风险，可以导致更好的安全协议和减少暴露。此外，消费者应被告知他们每天使用的某些产品中化学物质的潜在风险，使他们能够做出更安全的选择。 总之，研究突变性是毒理学和环境健康的一个关键组成部分。通过理解各种物质如何诱导遗传突变，我们可以更好地评估它们对人类健康和环境的风险。在这一领域的持续研究不仅将有助于开发更安全的化学物质，还将有助于整体理解遗传疾病和癌症预防。随着我们向前发展，优先研究突变性对于确保所有人的健康未来至关重要。