agar plate

简明释义

琼脂平面

英英释义

例句

1.We used a sterile loop to transfer the bacteria onto the agar plate (琼脂平板).

我们使用无菌环将细菌转移到agar plate（琼脂平板）上。

2.After inoculating the sample, let it incubate on the agar plate (琼脂平板) for 24 hours.

在接种样本后，让它在agar plate（琼脂平板）上培养24小时。

3.Different types of media can be used to create an agar plate (琼脂平板) for specific bacteria.

可以使用不同类型的培养基来制作特定细菌的agar plate（琼脂平板）。

4.To culture bacteria, we need to prepare an agar plate (琼脂平板) with the appropriate nutrients.

为了培养细菌，我们需要准备一个包含适当营养的agar plate（琼脂平板）。

5.The agar plate (琼脂平板) showed clear colonies after the incubation period.

经过培养期后，agar plate（琼脂平板）上显示出明显的菌落。

作文

The use of an agar plate in microbiology is fundamental for the cultivation and study of microorganisms. An agar plate is essentially a Petri dish that contains a gelatinous substance known as agar, which is derived from red algae. This medium provides a stable environment for bacteria, fungi, and other microorganisms to grow. The importance of agar plates cannot be overstated, as they are crucial tools in laboratories for various applications, including research, clinical diagnostics, and industrial microbiology.When scientists want to isolate a specific type of bacteria or fungus, they often use an agar plate. By streaking a sample across the surface of the agar plate, they can promote the growth of individual colonies. Each colony originates from a single microorganism, allowing researchers to study its characteristics in detail. This technique is essential for identifying pathogens in clinical samples or for isolating beneficial microbes in environmental studies.Different types of agar plates can be used depending on the requirements of the experiment. For instance, nutrient agar is a general-purpose medium that supports the growth of a wide variety of organisms, while selective media, such as MacConkey agar, allows only certain types of bacteria to grow. This selectivity is achieved by incorporating specific nutrients or inhibitors into the agar plate that favor the growth of particular microorganisms while suppressing others.In addition to aiding in the isolation of microorganisms, agar plates are also used for performing sensitivity tests, such as the disk diffusion method. In this procedure, antibiotic-impregnated disks are placed on the surface of an agar plate that has been inoculated with bacteria. After incubation, the effectiveness of the antibiotics can be assessed by measuring the zones of inhibition around the disks, indicating how well the bacteria were able to grow in the presence of the antibiotics.Moreover, agar plates have played an essential role in the field of genetic engineering. Scientists often use them to culture genetically modified organisms (GMOs) or to conduct experiments involving plasmids. The ability to visualize colonies on agar plates makes it easier to identify successful transformations and to analyze the characteristics of engineered strains.In conclusion, the agar plate is an indispensable tool in microbiology. Its versatility and effectiveness in cultivating microorganisms make it a staple in labs worldwide. Whether for research, clinical diagnostics, or industrial applications, understanding how to properly utilize agar plates is crucial for anyone working in the life sciences. As we continue to explore the microbial world, the agar plate will undoubtedly remain a key player in our efforts to understand and manipulate these tiny yet powerful organisms.

在微生物学中，琼脂平板的使用是培养和研究微生物的基础。琼脂平板本质上是一个含有称为琼脂的明胶状物质的培养皿，该物质来源于红藻。这种培养基为细菌、真菌和其他微生物的生长提供了稳定的环境。琼脂平板的重要性不容小觑，因为它们是实验室中各种应用的关键工具，包括研究、临床诊断和工业微生物学。当科学家想要分离特定类型的细菌或真菌时，他们通常会使用琼脂平板。通过在琼脂平板表面划线样品，他们可以促进单个菌落的生长。每个菌落源自单个微生物，使研究人员能够详细研究其特征。这种技术对识别临床样本中的病原体或在环境研究中分离有益微生物至关重要。根据实验的要求，可以使用不同类型的琼脂平板。例如，营养琼脂是一种通用培养基，支持多种生物的生长，而选择性培养基，如麦康凯琼脂，仅允许某些类型的细菌生长。这种选择性是通过在琼脂平板中加入特定的营养物质或抑制剂实现的，这些成分有利于特定微生物的生长，同时抑制其他微生物。除了帮助分离微生物外，琼脂平板还用于进行敏感性测试，例如纸片扩散法。在此过程中，将含有抗生素的纸片放置在已经接种细菌的琼脂平板表面。经过培养后，可以通过测量纸片周围的抑制区来评估抗生素的有效性，从而表明细菌在抗生素存在下的生长能力。此外，琼脂平板在基因工程领域也发挥了重要作用。科学家们经常使用它们来培养转基因生物或进行涉及质粒的实验。在琼脂平板上可视化菌落的能力使得识别成功转化和分析工程菌株的特征变得更加容易。总之，琼脂平板是微生物学中不可或缺的工具。它在培养微生物方面的多功能性和有效性使其成为全球实验室的基本设备。无论是用于研究、临床诊断还是工业应用，了解如何正确使用琼脂平板对任何在生命科学领域工作的人来说都是至关重要的。随着我们继续探索微生物世界，琼脂平板无疑将在我们理解和操控这些微小而强大的生物的努力中继续发挥关键作用。