crystal violet

简明释义

结晶紫

英英释义

例句

1.The microbiology lab used crystal violet to stain the bacterial cultures for better visibility.

微生物实验室使用结晶紫对细菌培养物进行染色，以便更好地观察。

2.After applying crystal violet, the cells were examined under a microscope.

在应用结晶紫后，细胞在显微镜下进行了检查。

3.To visualize the DNA bands, we treated the gel with crystal violet after electrophoresis.

在电泳后，我们用结晶紫处理凝胶以可视化DNA条带。

4.The experiment required the use of crystal violet to differentiate between Gram-positive and Gram-negative bacteria.

实验需要使用结晶紫来区分革兰氏阳性和革兰氏阴性细菌。

5.In histology, crystal violet is often used as a primary stain in Gram staining procedures.

在组织学中，结晶紫常用作革兰氏染色程序中的主要染料。

作文

Crystal violet, a synthetic dye, has been widely utilized in various fields, particularly in biology and histology. This vibrant purple stain is not only known for its striking color but also for its significant role in staining techniques that help in the visualization of cellular structures under a microscope. The use of crystal violet (结晶紫) in laboratory settings allows scientists to differentiate between various types of cells, making it an essential tool in microbiology.One of the most common applications of crystal violet (结晶紫) is in the Gram staining procedure. This technique classifies bacteria into two groups: Gram-positive and Gram-negative, based on the characteristics of their cell walls. When a sample is treated with crystal violet (结晶紫), these bacteria absorb the dye differently. Gram-positive bacteria retain the dye due to their thick peptidoglycan layer, appearing purple under the microscope, while Gram-negative bacteria do not retain the dye after a decolorization step and appear pink when counterstained.The importance of crystal violet (结晶紫) extends beyond just classification; it also plays a crucial role in identifying bacterial infections and determining appropriate treatments. By understanding the type of bacteria present in a sample, healthcare professionals can prescribe targeted antibiotics, improving patient outcomes and reducing the risk of antibiotic resistance.In addition to its use in microbiology, crystal violet (结晶紫) is employed in various other scientific disciplines. In histology, it serves as a vital stain for visualizing cellular structures in tissue samples. This application is particularly important in cancer research, where pathologists analyze tissue biopsies to identify malignant cells. The ability to clearly see the cellular details provided by crystal violet (结晶紫) staining aids in accurate diagnoses and treatment planning.Moreover, crystal violet (结晶紫) has also found its place in the field of molecular biology. It is used in assays to quantify DNA and RNA concentrations, as it binds to nucleic acids and fluoresces under specific light conditions. This property makes it a valuable tool for researchers working with genetic material, allowing for precise measurements that are critical in experiments and analyses.Despite its widespread use, it is essential to handle crystal violet (结晶紫) with care due to its potential toxicity and environmental impact. Proper disposal methods must be followed to minimize harm to both human health and the ecosystem. Researchers are encouraged to explore safer alternatives and reduce reliance on hazardous materials wherever possible.In conclusion, crystal violet (结晶紫) is more than just a beautiful dye; it is a powerful tool in scientific research and medical diagnostics. Its applications range from microbiology to histology and molecular biology, demonstrating its versatility and importance in various fields. As science continues to advance, the role of crystal violet (结晶紫) will likely evolve, leading to new discoveries and innovations that will benefit society as a whole.

结晶紫是一种合成染料，广泛应用于多个领域，尤其是在生物学和组织学中。这种鲜艳的紫色染料不仅以其引人注目的颜色而闻名，同时也因其在染色技术中的重要作用而受到重视，这些技术有助于在显微镜下观察细胞结构。在实验室环境中使用结晶紫使科学家能够区分不同类型的细胞，使其成为微生物学中的一项重要工具。结晶紫在革兰氏染色程序中是最常见的应用之一。这项技术根据细菌细胞壁的特征将细菌分为两组：革兰阳性和革兰阴性。当样本用结晶紫处理时，这些细菌对染料的吸收方式不同。革兰阳性细菌由于其厚的肽聚糖层保留染料，在显微镜下呈现紫色，而革兰阴性细菌在去色步骤后不再保留染料，经过对比染色后呈现粉红色。结晶紫的重要性不仅限于分类；它在识别细菌感染和确定适当治疗方案方面也发挥着关键作用。通过了解样本中存在的细菌类型，医疗专业人员可以开具针对性的抗生素，从而改善患者的治疗效果，并减少抗生素耐药性的风险。除了在微生物学中的应用外，结晶紫还被用于其他多个科学学科。在组织学中，它作为一种重要的染色剂，用于可视化组织样本中的细胞结构。这一应用在癌症研究中尤为重要，病理学家分析组织活检以识别恶性细胞。通过结晶紫染色提供的细胞细节的清晰可见性，有助于准确的诊断和治疗计划。此外，结晶紫还在分子生物学领域找到了自己的位置。它被用于定量DNA和RNA浓度的检测，因为它与核酸结合并在特定光照条件下荧光发射。这一特性使其成为从事遗传材料研究的研究人员的宝贵工具，允许进行精确测量，这在实验和分析中至关重要。尽管结晶紫被广泛使用，但由于其潜在的毒性和环境影响，处理时必须小心。必须遵循适当的处置方法，以尽量减少对人类健康和生态系统的危害。研究人员被鼓励探索更安全的替代品，并在可能的情况下减少对有害材料的依赖。总之，结晶紫不仅仅是一种美丽的染料；它是科学研究和医学诊断中的强大工具。它的应用范围从微生物学到组织学和分子生物学，展示了其多功能性和在各个领域的重要性。随着科学的不断进步，结晶紫的角色可能会不断演变，带来新的发现和创新，造福整个社会。