pure culture

简明释义

纯粹培养

英英释义

例句

1.Researchers often use a pure culture to study the effects of antibiotics on specific bacteria.

研究人员通常使用 纯培养 来研究抗生素对特定细菌的影响。

2.In food safety testing, obtaining a pure culture of a pathogen is crucial for accurate results.

在食品安全测试中，获得病原体的 纯培养 对于准确结果至关重要。

3.To create a pure culture, it is important to isolate a single type of microorganism from a mixed sample.

要创建 纯培养，重要的是从混合样本中分离出单一类型的微生物。

4.A pure culture allows scientists to observe the growth patterns of microorganisms without interference.

一个 纯培养 使科学家能够观察微生物的生长模式而不受干扰。

5.In microbiology, a pure culture is essential for accurate identification of bacterial species.

在微生物学中，纯培养 对于准确识别细菌种类至关重要。

作文

In the field of microbiology, the term pure culture refers to a laboratory culture that contains a single species of microorganism. This is an essential concept for researchers and scientists who need to study the characteristics, behaviors, and interactions of specific microorganisms without the interference of other species. The process of obtaining a pure culture typically involves isolating a single organism from a mixed population and then growing it in a controlled environment. This allows for more accurate experimentation and observation.The significance of pure culture cannot be overstated. In medical microbiology, for instance, identifying pathogens in a clinical sample requires the ability to isolate the organism responsible for an infection. Without a pure culture, it would be nearly impossible to determine which microorganism is causing the illness, as many different species can coexist in the same sample. By obtaining a pure culture, clinicians can perform susceptibility tests to determine the most effective antibiotics for treatment.Additionally, pure cultures are critical in research settings where scientists aim to understand microbial physiology or genetics. For example, when studying the metabolic pathways of a bacterium, researchers must ensure that they are working with a pure culture to avoid confounding results due to the presence of other microorganisms. This level of control is crucial for drawing valid conclusions from experimental data.Obtaining a pure culture often involves techniques such as streak plating, serial dilution, or using selective media that inhibit the growth of unwanted organisms. Each of these methods has its advantages and disadvantages, but they all serve the same purpose: to isolate a single species from a complex mixture. Once a pure culture is established, it can be maintained through subculturing, which involves transferring a small amount of the culture to fresh media to keep the organism alive and healthy.Moreover, the concept of pure culture extends beyond just bacteria. It applies to fungi, algae, and even viruses, though the methods for culturing these organisms may differ. For instance, while bacteria can often be grown on solid agar plates, fungi may require different nutritional conditions. Understanding the specific requirements for maintaining a pure culture of each microorganism is vital for successful cultivation and experimentation.In conclusion, the term pure culture is a fundamental aspect of microbiological research and clinical diagnostics. It allows scientists to study microorganisms in isolation, leading to a better understanding of their properties and behaviors. Whether in a laboratory setting or a clinical environment, the ability to obtain and maintain a pure culture is crucial for advancing our knowledge of microbiology and improving public health outcomes. As we continue to explore the microbial world, the importance of pure cultures will undoubtedly remain at the forefront of scientific inquiry.

在微生物学领域，术语纯培养指的是一种实验室培养，其中只包含单一物种的微生物。这是研究人员和科学家需要研究特定微生物的特性、行为和相互作用而不受其他物种干扰的重要概念。获得纯培养的过程通常涉及从混合种群中分离出单个生物体，然后在受控环境中培养它。这允许更准确的实验和观察。纯培养的重要性不容小觑。例如，在医学微生物学中，识别临床样本中的病原体需要能够分离出导致感染的生物体。如果没有纯培养，几乎不可能确定哪个微生物导致了疾病，因为许多不同的物种可以在同一样本中共存。通过获得纯培养，临床医生可以进行敏感性测试，以确定治疗最有效的抗生素。此外，纯培养在研究环境中也至关重要，科学家们旨在理解微生物的生理或遗传学。例如，当研究细菌的代谢途径时，研究人员必须确保他们正在处理纯培养，以避免由于其他微生物的存在而混淆结果。这种控制水平对于从实验数据中得出有效结论至关重要。获得纯培养通常涉及诸如划线培养、系列稀释或使用选择性培养基抑制不必要生物体生长等技术。这些方法各有优缺点，但它们都服务于同一个目的：从复杂混合物中分离出单一物种。一旦建立了纯培养，可以通过亚培养来维持它，这涉及将少量培养物转移到新培养基中，以保持生物体的生命和健康。此外，纯培养的概念不仅限于细菌。它适用于真菌、藻类甚至病毒，尽管培养这些生物体的方法可能有所不同。例如，细菌通常可以在固体琼脂平板上生长，而真菌可能需要不同的营养条件。了解维持每种微生物的纯培养的特定要求对于成功培养和实验至关重要。总之，术语纯培养是微生物研究和临床诊断的基本方面。它允许科学家在隔离状态下研究微生物，从而更好地理解它们的属性和行为。无论是在实验室环境中还是临床环境中，获得和维持纯培养的能力对推动我们对微生物学的理解和改善公共健康结果至关重要。随着我们继续探索微生物世界，纯培养的重要性无疑将始终处于科学探究的前沿。