ehrlich's reagent

简明释义

欧利布试剂

英英释义

Ehrlich's reagent is a chemical solution used to detect the presence of certain amino acids and indole derivatives in biological samples, typically characterized by its ability to form colored complexes upon reaction.

Ehrlich试剂是一种用于检测生物样本中某些氨基酸和吲哚衍生物存在的化学溶液,通常以其在反应时能够形成有色复合物的特性为特征。

例句

1.The chemist explained that ehrlich's reagent is crucial for identifying certain amino acids.

化学家解释说,ehrlich's reagent对于识别某些氨基酸至关重要。

2.When performing the reaction, ensure you add ehrlich's reagent slowly to avoid any unwanted side effects.

在进行反应时,确保缓慢加入ehrlich's reagent以避免任何不良副作用。

3.In our biochemistry class, we learned how to use ehrlich's reagent for colorimetric analysis.

在我们的生物化学课上,我们学习了如何使用ehrlich's reagent进行比色分析。

4.In the laboratory, we used ehrlich's reagent to test for the presence of indole in the sample.

在实验室中,我们使用ehrlich's reagent来测试样品中是否存在吲哚。

5.The results showed a positive reaction with ehrlich's reagent, indicating the presence of tryptophan.

结果显示与ehrlich's reagent的反应为阳性,表明存在色氨酸。

作文

In the realm of organic chemistry, various reagents play crucial roles in identifying and quantifying different compounds. One such important reagent is ehrlich's reagent, which is primarily used for detecting the presence of indole and other related compounds in biological samples. The significance of ehrlich's reagent extends beyond mere identification; it serves as a vital tool in pharmacology and biochemistry, helping researchers understand the metabolic pathways and physiological effects of indole derivatives. The composition of ehrlich's reagent typically includes p-dimethylaminobenzaldehyde (DMAB) and concentrated hydrochloric acid. When a sample that contains indole is treated with ehrlich's reagent, a vibrant pink to purple color develops, indicating a positive reaction. This color change is not only visually striking but also provides a quantitative measure of indole concentration when analyzed using spectrophotometric methods. Historically, the development of ehrlich's reagent can be traced back to the early 20th century when it was first utilized by the German chemist Paul Ehrlich. His work laid the foundation for many modern diagnostic techniques, particularly in the field of medicine, where understanding metabolic processes is crucial. For instance, the detection of indole can be significant in diagnosing certain diseases and conditions, such as tryptophan metabolism disorders. Moreover, the application of ehrlich's reagent is not limited to clinical settings. In research laboratories, it is often employed in studies involving microbial activity, as many microorganisms produce indole as a metabolic byproduct. By utilizing ehrlich's reagent, scientists can assess the metabolic capabilities of various strains, contributing to our understanding of microbial ecology and potential applications in biotechnology. Despite its utility, it is essential to handle ehrlich's reagent with care due to its toxic nature. Proper laboratory safety protocols must be followed to prevent exposure, as inhalation or skin contact can lead to adverse health effects. Researchers must ensure that they are working in well-ventilated areas and wearing appropriate personal protective equipment (PPE) when conducting experiments involving this reagent. In conclusion, ehrlich's reagent is an invaluable asset in both clinical and research environments. Its ability to detect indole and related compounds has far-reaching implications in various scientific fields, including pharmacology, microbiology, and diagnostics. As research continues to evolve, the role of ehrlich's reagent may expand further, leading to new discoveries and advancements in our understanding of biochemical processes. Thus, mastering the use and implications of ehrlich's reagent is essential for anyone involved in the life sciences, as it exemplifies the intersection of chemistry and biology in the pursuit of knowledge and innovation.

ehrlich's reagent 在有机化学领域中,各种试剂在识别和定量不同化合物方面发挥着至关重要的作用。其中一种重要的试剂是ehrlich's reagent,主要用于检测生物样品中吲哚及其他相关化合物的存在。ehrlich's reagent 的重要性不仅限于简单的识别;它作为药理学和生物化学中的重要工具,帮助研究人员理解吲哚衍生物的代谢途径和生理效应。ehrlich's reagent 的组成通常包括对二甲氨基苯甲醛(DMAB)和浓盐酸。当含有吲哚的样品与ehrlich's reagent 反应时,会产生鲜艳的粉红色到紫色,表明反应为阳性。这种颜色变化不仅在视觉上引人注目,而且通过光谱光度法分析时提供了吲哚浓度的定量测量。历史上,ehrlich's reagent 的发展可以追溯到20世纪初,当时德国化学家保罗·埃尔利希首次使用它。他的工作为许多现代诊断技术奠定了基础,特别是在医学领域,理解代谢过程至关重要。例如,检测吲哚在诊断某些疾病和病症(如色氨酸代谢紊乱)中可能具有重要意义。此外,ehrlich's reagent 的应用不仅限于临床环境。在研究实验室中,它常用于涉及微生物活性的研究,因为许多微生物作为代谢副产物会产生吲哚。通过利用ehrlich's reagent,科学家们可以评估各种菌株的代谢能力,促进我们对微生物生态学的理解以及在生物技术中的潜在应用。尽管其用途广泛,但由于其毒性,处理ehrlich's reagent 时必须小心。必须遵循适当的实验室安全协议,以防止暴露,因为吸入或皮肤接触可能导致不良健康影响。研究人员必须确保在通风良好的区域工作,并在进行涉及该试剂的实验时佩戴适当的个人防护装备(PPE)。总之,ehrlich's reagent 是临床和研究环境中不可或缺的资产。它检测吲哚及相关化合物的能力在药理学、微生物学和诊断等多个科学领域具有深远的影响。随着研究的不断发展,ehrlich's reagent 的作用可能进一步扩大,导致我们对生化过程的理解和发现的新进展。因此,掌握ehrlich's reagent 的使用及其意义对于任何参与生命科学的人来说都是必不可少的,因为它体现了化学与生物学在知识和创新追求中的交汇。

相关单词

reagent

reagent详解:怎么读、什么意思、用法