nigrosin

简明释义

英[ˈnɪɡrəʊsɪn]美[ˈnaɪɡroʊsɪn]

苯胺黑

黑色素

英英释义

单词用法

同义词

反义词

例句

1.Various reproductive behaviors of the doublet were observed and their cytological details were demonstrated by Fculgen stain and modified Nigrosin stain techniques.

对骈体的各种生殖行为进行了观察，并用孚尔根和改进的黑色素染色技术揭示了它们的细胞学细节。

2.Various reproductive behaviors of the doublet were observed and their cytological details were demonstrated by Fculgen stain and modified Nigrosin stain techniques.

对骈体的各种生殖行为进行了观察，并用孚尔根和改进的黑色素染色技术揭示了它们的细胞学细节。

3.For the microbiology class, we learned how to use nigrosin as a negative stain.

在微生物学课上，我们学习了如何将黑色素用作负染色剂。

4.The lab technician prepared a slide using nigrosin to visualize the morphology of the fungi.

实验室技术员使用黑色素准备了一个载玻片，以观察真菌的形态。

5.In histology, nigrosin is often combined with other stains to enhance contrast in tissue samples.

在组织学中，黑色素通常与其他染料结合使用，以增强组织样本的对比度。

6.The scientist used nigrosin to stain the bacterial cells for better visibility under the microscope.

科学家使用黑色素来染色细菌细胞，以便在显微镜下更清晰地观察。

7.When performing a viability test, nigrosin helps distinguish live cells from dead ones.

在进行活性测试时，黑色素有助于区分活细胞和死细胞。

作文

In the world of biology and chemistry, various dyes and stains play a crucial role in helping scientists visualize and study different components of cells and tissues. One such dye is nigrosin, which is widely used in microbiology for staining purposes. This synthetic dye is particularly valuable because it allows researchers to observe microorganisms under a microscope more clearly. The significance of nigrosin lies not only in its ability to color cells but also in its unique properties that facilitate the examination of cellular structures. 黑色素是一种合成染料，广泛用于微生物学中的染色目的。这种染料的价值在于它能够使研究人员更清晰地观察显微镜下的微生物。nigrosin的重要性不仅在于其着色细胞的能力，还在于其独特的性质，有助于检查细胞结构。One of the primary uses of nigrosin is in the preparation of bacterial smears for microscopy. When studying bacteria, it is essential to have a clear view of their morphology, arrangement, and size. nigrosin provides a dark background against which the transparent bacterial cells can be seen more distinctly. This contrast is particularly useful for identifying different types of bacteria, as it enhances the visibility of their shapes and sizes. 黑色素为显微镜下的细菌涂片准备提供了重要的帮助。当研究细菌时，清楚地观察它们的形态、排列和大小至关重要。nigrosin提供了一个深色背景，使透明的细菌细胞更加明显。这种对比对于识别不同类型的细菌尤其有用，因为它增强了它们形状和大小的可见性。Moreover, nigrosin is often used in combination with other stains, such as methylene blue, to provide a comprehensive view of the microbial population in a sample. By using multiple stains, scientists can differentiate between live and dead cells, as well as identify specific cellular components. This is particularly important in medical microbiology, where understanding the viability of bacteria can inform treatment options for infections. For instance, when examining a culture of bacteria, a scientist might apply nigrosin to stain the dead cells while using another stain to highlight the live cells. 黑色素通常与其他染料（如美蓝）结合使用，以提供样本中微生物群体的全面视图。通过使用多种染料，科学家可以区分活细胞和死细胞，并识别特定的细胞成分。这在医学微生物学中尤为重要，因为了解细菌的活性可以为感染的治疗选择提供信息。例如，当检查细菌培养时，科学家可能会应用nigrosin来染色死细胞，同时使用另一种染料来突出活细胞。In addition to its application in microbiology, nigrosin is also utilized in various fields, including histology and cytology. In histological studies, it helps in the visualization of tissue samples, allowing pathologists to identify abnormal cell structures that may indicate disease. Similarly, in cytological examinations, nigrosin aids in the assessment of cell morphology and can assist in diagnosing conditions such as cancer. The versatility of nigrosin makes it an essential tool in many laboratories around the world. 黑色素还被应用于各种领域，包括组织学和细胞学。在组织学研究中，它有助于可视化组织样本，使病理学家能够识别可能指示疾病的异常细胞结构。同样，在细胞学检查中，nigrosin有助于评估细胞形态，并可以协助诊断癌症等疾病。nigrosin的多功能性使其成为世界各地许多实验室的重要工具。In conclusion, nigrosin is a vital dye in the scientific community, especially in microbiology, histology, and cytology. Its ability to provide contrast and enhance visibility of cellular structures makes it indispensable for researchers and medical professionals alike. Understanding the applications and benefits of nigrosin not only enriches our knowledge of cellular biology but also improves our capabilities in diagnosing and treating diseases effectively. 总之，黑色素是科学界中一种重要的染料，尤其是在微生物学、组织学和细胞学中。它提供对比和增强细胞结构可见性的能力使其对研究人员和医疗专业人员来说不可或缺。了解nigrosin的应用和好处不仅丰富了我们对细胞生物学的知识，而且提高了我们有效诊断和治疗疾病的能力。