neutral red

简明释义

中性红

英英释义

例句

1.Researchers found that neutral red can enhance the visibility of certain cellular structures.

研究人员发现中性红可以增强某些细胞结构的可见性。

2.In histology, neutral red is used to stain sections of tissue for better visualization.

在组织学中，中性红用于染色组织切片以便更好地观察。

3.In microbiology, we often use neutral red to stain living cells for observation under a microscope.

在微生物学中，我们常用中性红对活细胞进行染色，以便在显微镜下观察。

4.The neutral red dye is commonly used in cell viability assays.

中性红染料常用于细胞活力检测。

5.When testing the pH of a solution, you can add neutral red to indicate acidity.

在测试溶液的pH值时，可以添加中性红以指示酸性。

作文

Neutral red is a pH indicator that is commonly used in biological and chemical laboratories. It is a dye that exhibits a distinct color change depending on the acidity or alkalinity of the solution it is in. When the pH level is below 6.8, neutral red appears red, while at a pH above 8.0, it turns yellow. This property makes neutral red particularly useful for identifying the pH levels of various substances. In addition to its role as an indicator, neutral red is also utilized in cell biology as a vital stain. It can penetrate living cells and bind to acidic cellular components, allowing researchers to observe cell morphology and viability under a microscope.The significance of neutral red extends beyond simple pH measurement; it plays a crucial role in various scientific experiments. For instance, in microbiology, neutral red is often used in culture media to differentiate between lactose fermenters and non-fermenters. When bacteria ferment lactose, they produce acid, which lowers the pH and causes the neutral red in the medium to change color. This visual cue helps scientists identify bacterial colonies based on their metabolic activity.Moreover, the use of neutral red in histology is noteworthy. Pathologists often employ this dye to stain tissue samples, enhancing the visibility of certain structures within the cells. By utilizing neutral red, researchers can better understand cellular processes and diagnose diseases more accurately. The ability of neutral red to highlight specific cellular components has made it an indispensable tool in both educational and professional settings.In addition to its practical applications, neutral red serves as an excellent example of how chemistry intersects with biology. The understanding of pH levels and their implications on biological systems is fundamental for students studying these fields. By learning about neutral red, students gain insight into the importance of indicators in scientific research and the intricate balance of acidity and alkalinity in living organisms.Furthermore, the environmental implications of using dyes like neutral red cannot be overlooked. As awareness grows regarding the impact of chemicals on ecosystems, researchers are exploring safer alternatives and methods of disposal for laboratory materials. Understanding the properties and applications of neutral red encourages future scientists to consider both the benefits and potential risks associated with chemical use in their work.In conclusion, neutral red is not just a simple dye; it is a powerful tool that bridges the gap between chemistry and biology. Its ability to indicate pH levels and stain living cells makes it invaluable in various scientific disciplines. As we continue to explore the complexities of life at the cellular level, neutral red will undoubtedly remain a key player in our quest for knowledge. By mastering the use of neutral red, students and researchers alike can contribute to advancements in science that benefit society as a whole.

中性红是一种常用于生物和化学实验室的pH指示剂。它是一种染料，根据其所处溶液的酸碱度显示出明显的颜色变化。当pH值低于6.8时，中性红呈红色，而当pH值高于8.0时，它变为黄色。这一特性使得中性红在识别各种物质的pH值方面特别有用。除了作为指示剂的作用外，中性红还被用于细胞生物学中作为重要的染色剂。它可以渗透活细胞并与酸性细胞成分结合，使研究人员能够在显微镜下观察细胞形态和活力。中性红的重要性不仅限于简单的pH测量；它在各种科学实验中发挥着至关重要的作用。例如，在微生物学中，中性红常用于培养基中，以区分乳糖发酵菌和非发酵菌。当细菌发酵乳糖时，会产生酸，从而降低pH值，使培养基中的中性红变色。这一视觉提示帮助科学家根据其代谢活动识别细菌菌落。此外，中性红在组织学中的使用也值得注意。病理学家常常利用这种染料给组织样本染色，从而增强细胞内某些结构的可见性。通过利用中性红，研究人员可以更好地理解细胞过程，并更准确地诊断疾病。中性红突出特定细胞成分的能力使其成为教育和专业环境中不可或缺的工具。除了其实用应用外，中性红还很好地展示了化学与生物学之间的交集。对pH值及其对生物系统影响的理解是学习这些领域的学生的基础。通过了解中性红，学生们可以深入了解指示剂在科学研究中的重要性，以及生活体内酸碱平衡的复杂性。此外，使用像中性红这样的染料的环境影响也不容忽视。随着人们对化学物质对生态系统影响的认识不断提高，研究人员正在探索更安全的替代品和实验室材料的处理方法。理解中性红的特性和应用鼓励未来的科学家在工作中考虑化学使用的好处和潜在风险。总之，中性红不仅仅是一种简单的染料；它是一个强大的工具，桥接了化学与生物学之间的鸿沟。它指示pH值和染色活细胞的能力使其在各种科学学科中具有不可或缺的价值。随着我们继续探索细胞层面的生命复杂性，中性红无疑将继续在我们追求知识的过程中发挥关键作用。通过掌握中性红的使用，学生和研究人员都可以为推动科学进步做出贡献，从而造福整个社会。