acid fast staining

简明释义

抗酸性染色

英英释义

例句

1.The results of the acid fast staining confirmed the presence of leprosy bacilli.

抗酸染色的结果确认了麻风分枝杆菌的存在。

2.After applying acid fast staining, the bacteria appeared bright red under the microscope.

在应用抗酸染色后，细菌在显微镜下呈现鲜红色。

3.In microbiology class, we learned that acid fast staining is crucial for diagnosing certain bacterial infections.

在微生物学课上，我们了解到抗酸染色对诊断某些细菌感染至关重要。

4.The laboratory technician performed acid fast staining to identify Mycobacterium tuberculosis in the patient's sample.

实验室技术员进行了抗酸染色以识别患者样本中的结核分枝杆菌。

5.For effective diagnosis, it is essential to use acid fast staining on suspected tuberculosis cases.

为了有效诊断，必须对疑似结核病例使用抗酸染色。

作文

Acid fast staining is a vital laboratory technique used primarily in microbiology to identify and differentiate certain types of bacteria. The term refers to the ability of some bacteria to resist decolorization by acids during staining procedures. This characteristic is particularly important for identifying Mycobacterium species, including the bacteria responsible for tuberculosis. The process of acid fast staining involves several steps, starting with the application of a primary stain, usually carbol fuchsin. This stain penetrates the waxy cell wall of acid-fast bacteria, allowing them to retain the red color even after being washed with an acid-alcohol solution. This property makes them 'acid-fast.'The importance of acid fast staining cannot be understated, especially in clinical settings. Tuberculosis remains a significant global health issue, and rapid identification of Mycobacterium tuberculosis can lead to timely treatment and better patient outcomes. In addition to tuberculosis, acid fast staining is also used to diagnose other diseases caused by mycobacteria, such as leprosy.In the laboratory, the procedure for acid fast staining typically follows a standardized protocol. After preparing a smear of the specimen on a microscope slide, the slide is heated to help the primary stain penetrate the bacterial cells. Following this, the slide is rinsed and treated with an acid-alcohol solution. Non-acid-fast bacteria will lose the red stain during this step, while acid-fast bacteria will remain red. Finally, a counterstain, often methylene blue, is applied to the slide, which stains the non-acid-fast bacteria blue, providing a clear contrast under the microscope.The visualization of acid-fast bacteria under a microscope is critical for accurate diagnosis. When viewed under oil immersion, acid-fast bacteria appear as bright red rods against a blue background, making them easily distinguishable. This stark contrast is essential for healthcare professionals who need to quickly identify potential infections.Moreover, acid fast staining has implications beyond just diagnosis. It can also be used in research settings to study the characteristics of mycobacterial species. Understanding the unique properties of these bacteria can lead to advancements in treatment options and public health strategies.In summary, acid fast staining is an indispensable tool in both clinical and research laboratories. Its ability to identify acid-fast bacteria plays a crucial role in diagnosing diseases such as tuberculosis and leprosy. As we continue to face challenges related to infectious diseases, techniques like acid fast staining will remain at the forefront of microbiological research and clinical diagnostics. The ongoing development and refinement of such staining techniques are essential for improving our understanding and management of these persistent pathogens.

抗酸染色是一种重要的实验室技术，主要用于微生物学中识别和区分某些类型的细菌。这个术语指的是一些细菌在染色过程中抵抗酸脱色的能力。这一特性对于识别分枝杆菌属（包括导致结核病的细菌）尤为重要。抗酸染色的过程包括几个步骤，首先是施加主要染料，通常是石碱红。这种染料渗透到抗酸细菌的蜡状细胞壁中，使它们即使在用酸-酒精溶液洗涤后也能保持红色。这一特性使它们被称为“抗酸”。在临床环境中，抗酸染色的重要性不容小觑。结核病仍然是一个重大的全球健康问题，快速识别分枝杆菌可以导致及时治疗并改善患者的预后。除了结核病，抗酸染色还用于诊断由分枝杆菌引起的其他疾病，如麻风。在实验室中，抗酸染色的程序通常遵循标准化的协议。在准备好标本的涂片后，将其加热以帮助主要染料渗透到细菌细胞中。随后，冲洗涂片并用酸-酒精溶液处理。在这一步骤中，非抗酸细菌会失去红色染料，而抗酸细菌会保持红色。最后，涂片上会施加对比染料，通常是美蓝，这会将非抗酸细菌染成蓝色，在显微镜下提供清晰的对比。在显微镜下观察抗酸细菌的可视化对于准确诊断至关重要。当在油浸镜下观察时，抗酸细菌呈现出明亮的红色杆状，与蓝色背景形成鲜明对比，使其易于区分。这种鲜明的对比对于需要快速识别潜在感染的医疗专业人员至关重要。此外，抗酸染色不仅仅具有诊断意义。它还可以在研究环境中用于研究分枝杆菌种类的特性。了解这些细菌的独特性质可以促进治疗选择和公共卫生策略的进步。总之，抗酸染色是临床和研究实验室中不可或缺的工具。它识别抗酸细菌的能力在诊断结核病和麻风等疾病中发挥着关键作用。随着我们继续面临与传染病相关的挑战，像抗酸染色这样的技术将始终处于微生物研究和临床诊断的前沿。对这种染色技术的持续发展和完善对于改善我们对这些顽固病原体的理解和管理至关重要。