bioassays

简明释义

英[ˌbaɪəʊˈæs.eɪz]美[ˌbaɪoʊˈæs.eɪz]

[生物] 生物检定

英英释义

单词用法

同义词

反义词

例句

1.Bioassays on the skin, subcutaneous tissue, cervix, and trachea of experimental animals have shown that particulate matter of urban air can be carcinogenic in the intact animal.

对实验动物的皮肤、皮下组织、颈和气管的生物鉴定表明，城市空气中的颗粒物质对健康动物可能是致癌的。

2.Ammonia and nitrite were not detected at the start, and no precipitation of fluoride salts was observed during these bioassays.

氨和亚硝酸盐含量均未检出在开始时，并没有降水氟盐的观察期间，这些生物测定。

3.Mortality percentages, and fluoride, sodium and conductivity mean values estimated in each aquarium during duplicate fluoride bioassays are presented in Table 2.

死亡率的百分比，和氟化物，钠和电导率的均值估计在每个水族馆期间，重复的氟化物生物测定是列于表2 。

4.Brefeldin a is a potent inhibitor of cell growth first described in 1958, then independently "rediscovered" by several groups as a potent active in a broad range of bioassays.

布雷非德菌素是一种高效的细胞生长抑制剂。1958年第一次被报导，之后又被几个研究小组在一系列不同的生物化验中作为高效活性试剂。

5.A new experimental set up for the anaerobic bioassays of waste water is described.

介绍一种用于废水厌氧生物鉴定试验新装置。

6.In this paper the toxicity and security of intermediate water were detected with method of bioassays including fish toxicity test, the mouse ear swelling test, and guinea pig skin recover test.

采用鱼类急性毒性实验、小鼠耳肿实验和豚鼠皮肤愈合实验等生物检测技术来检测中水毒性及安全性。

7.The further bioassays results suggested that the active constituents of F. vasculosa leaves existed in petroleum ether fraction and EtOAc fraction.

生物测定结果表明，白肉榕叶的活性成分主要存在于石油醚萃取物和乙酸乙酯萃取物中。

8.PCR and cytokine bioassays verified the integration of cytokines into the modified cells and the secretion of relative protein products with activity by these cells.

PCR和细胞因子生物活性测定证实细胞因子基因整合入基因修饰细胞并通过细胞分泌相应活性蛋白产物。

9.The inhibitory effect of sulfate on anaerobic digestion was studied using two kinds of tested substrate with semi-continuous bioassays under mesophilic condition.

采用半连续实验方法，研究了中温条件下不同硫酸盐负荷在两种不同实验基质中对厌氧体系产生的影响和抑制作用规律。

10.Scientists use bioassays 生物测定 to assess the toxicity of new compounds.

科学家使用 bioassays 生物测定 来评估新化合物的毒性。

11.Researchers are developing new methods for conducting bioassays 生物测定 to evaluate drug efficacy.

研究人员正在开发新的方法来进行 bioassays 生物测定 以评估药物的有效性。

12.The laboratory specializes in bioassays 生物测定 for environmental contaminants.

该实验室专门进行环境污染物的 bioassays 生物测定 。

13.The accuracy of bioassays 生物测定 can significantly impact research outcomes.

bioassays 生物测定 的准确性会显著影响研究结果。

14.In clinical trials, bioassays 生物测定 are essential for monitoring patient responses.

在临床试验中，bioassays 生物测定 对于监测患者反应至关重要。

作文

Bioassays are essential tools in the field of biological research and environmental science. They serve as a means to evaluate the effects of substances on living organisms, providing critical insight into the safety and efficacy of various compounds. The term ‘bioassays’ refers to experimental procedures that use living cells or organisms to assess the biological activity of a substance. This can include testing for toxicity, pharmacological effects, or the presence of specific biological markers. 生物测定在科学研究中扮演着重要的角色，它们帮助研究人员理解如何不同的化合物影响生物体。 In recent years, the importance of bioassays has grown significantly due to the increasing number of chemicals being introduced into the environment. With the rise of industrialization and urbanization, there is a pressing need to monitor the potential impacts of these substances on ecosystems and human health. For instance, scientists often conduct bioassays to determine the toxicity levels of pollutants in water bodies. By exposing aquatic organisms to various concentrations of a pollutant, researchers can observe any adverse effects, which helps in assessing the risk posed to the ecosystem. Moreover, bioassays play a crucial role in the pharmaceutical industry. During drug development, it is vital to understand how new drugs interact with biological systems. Through bioassays, researchers can evaluate the therapeutic potential of a compound, identifying its effectiveness and possible side effects before it reaches clinical trials. This process not only accelerates drug development but also ensures that only safe and effective medications are brought to market. The methodology behind bioassays can vary widely, depending on the specific goals of the research. Some common types include in vitro assays, which are conducted using isolated cells or tissues, and in vivo assays, which involve whole organisms. Each type has its advantages and limitations; for example, in vitro assays allow for controlled environments where variables can be manipulated easily, while in vivo assays provide more comprehensive data on how a substance behaves in a living organism. In addition to their applications in environmental monitoring and pharmaceuticals, bioassays are increasingly used in fields such as agriculture and food safety. Farmers and agricultural scientists utilize bioassays to test the effectiveness of pesticides and fertilizers, ensuring that these products do not harm beneficial organisms or contaminate food supplies. Similarly, in food safety, bioassays are employed to detect harmful pathogens or toxins in food products, safeguarding public health. Despite the many benefits of bioassays, challenges remain in the field. One major concern is the ethical implications of using live organisms in experiments. Researchers must adhere to strict ethical guidelines to ensure that their work does not cause unnecessary harm to animals or plants. Additionally, the interpretation of bioassays results can sometimes be complicated by factors such as variability in biological responses among different species. In conclusion, bioassays are invaluable tools that contribute to our understanding of biological processes and the effects of various substances on living organisms. They play a pivotal role in environmental protection, drug development, agriculture, and food safety. As research continues to evolve, the methodologies and applications of bioassays will undoubtedly expand, further enhancing our ability to assess and mitigate risks associated with chemical exposure. The ongoing development of more refined and ethical bioassays will continue to be a priority in scientific research as we strive to protect both human health and the environment.

生物测定是生物研究和环境科学领域的重要工具。它们作为评估物质对生物体影响的一种手段，提供了关于各种化合物安全性和有效性的关键见解。术语“生物测定”指的是使用活细胞或生物体来评估物质生物活性的实验程序。这可以包括测试毒性、药理学效应或特定生物标志物的存在。在科学研究中，生物测定扮演着重要的角色，它们帮助研究人员理解不同化合物如何影响生物体。近年来，由于引入环境中的化学物质数量不断增加，生物测定的重要性显著增长。随着工业化和城市化的加速，迫切需要监测这些物质对生态系统和人类健康的潜在影响。例如，科学家们经常进行生物测定，以确定水体中污染物的毒性水平。通过将水生生物暴露于不同浓度的污染物中，研究人员可以观察任何不良影响，这有助于评估对生态系统的风险。此外，生物测定在制药行业中也发挥着至关重要的作用。在药物开发过程中，了解新药如何与生物系统相互作用至关重要。通过生物测定，研究人员可以评估化合物的治疗潜力，识别其有效性和可能的副作用，从而在进入临床试验之前做好准备。这个过程不仅加速了药物开发，而且确保只有安全有效的药物被推向市场。生物测定背后的方法论可能因研究的具体目标而异。一些常见类型包括体外测定，即使用分离的细胞或组织进行的测定，以及体内测定，即涉及整个生物体的测定。每种类型都有其优缺点；例如，体外测定允许在控制环境中轻松操控变量，而体内测定则提供了关于物质在活生物体中行为的更全面数据。除了在环境监测和制药方面的应用，生物测定在农业和食品安全等领域的应用也日益增多。农民和农业科学家利用生物测定测试农药和肥料的有效性，确保这些产品不会伤害有益生物或污染食品供应。同样，在食品安全方面，生物测定被用于检测食品产品中的有害病原体或毒素，以保护公众健康。尽管生物测定有许多好处，但该领域仍面临挑战。一个主要问题是使用活生物体进行实验的伦理问题。研究人员必须遵循严格的伦理指南，以确保他们的工作不会对动物或植物造成不必要的伤害。此外，生物测定结果的解释有时可能会因不同物种之间生物反应的变异性而变得复杂。总之，生物测定是不可或缺的工具，有助于我们理解生物过程以及各种物质对生物体的影响。它们在环境保护、药物开发、农业和食品安全方面发挥着关键作用。随着研究的不断发展，生物测定的方法和应用无疑将扩展，进一步增强我们评估和减轻化学暴露相关风险的能力。随着我们努力保护人类健康和环境，持续发展更精细和更具伦理的生物测定将继续成为科学研究的重点。