autoradiograph

简明释义

英[ɔːtəʊˈreɪdɪəɡrɑːf]美[ˌɔtoˈredɪəˌɡræf]

n. 放射能照像

英英释义

单词用法

同义词

反义词

例句

1.The particulate-tracking autoradiograph(PTA) technique is a powerful tool for studying the behaviors of boron in materials.

径迹显微技术（PTA）是研究硼的晶界偏聚的行之有效的方法。

2.The particulate-tracking autoradiograph(PTA) technique is a powerful tool for studying the behaviors of boron in materials.

径迹显微技术（PTA）是研究硼的晶界偏聚的行之有效的方法。

3.Using an autoradiograph allows researchers to visualize the localization of specific proteins within a cell.

使用自显影图可以让研究人员可视化特定蛋白质在细胞内的定位。

4.After running the experiment, we analyzed the autoradiograph to see how much of the drug was absorbed by the cells.

实验结束后，我们分析了自显影图以查看药物被细胞吸收的多少。

5.The autoradiograph revealed unexpected patterns of gene expression in the treated samples.

该自显影图揭示了处理样本中基因表达的意外模式。

6.The results from the autoradiograph confirmed our hypothesis about the metabolic activity in the tumor.

来自自显影图的结果证实了我们关于肿瘤代谢活动的假设。

7.The scientist examined the autoradiograph to determine the distribution of radioactively labeled compounds in the tissue sample.

科学家检查了自显影图以确定放射性标记化合物在组织样本中的分布。

作文

In the realm of scientific research, particularly in the fields of biology and medicine, the term autoradiograph plays a crucial role. An autoradiograph is a type of image produced on photographic film or a digital sensor that records the distribution of radioactive materials within a sample. This technique is invaluable for visualizing the localization of specific substances, such as proteins or nucleic acids, within cells or tissues. The process involves exposing the sample to a radioactive isotope, which emits radiation that exposes the film or sensor, creating an image that reflects the concentration and distribution of the radioactive material. One of the primary applications of autoradiographs is in molecular biology, where researchers utilize this technique to study gene expression. By incorporating radioactive labels into nucleic acid probes, scientists can track the presence and quantity of specific RNA or DNA sequences within a complex mixture. This allows them to understand how genes are regulated and expressed under various conditions, shedding light on fundamental biological processes. For instance, when investigating cancerous tissues, an autoradiograph can reveal differences in gene expression between healthy and diseased cells, providing insights into potential therapeutic targets.Moreover, autoradiographs are also employed in pharmacology to study drug distribution within organisms. By labeling a drug with a radioactive isotope, researchers can monitor its absorption, metabolism, and excretion in real-time. This information is critical for understanding the pharmacokinetics of new drugs and optimizing their dosages for maximum efficacy while minimizing side effects. The detailed images produced by autoradiographs help scientists visualize how a drug interacts with different tissues, paving the way for more effective treatments.The technique of producing autoradiographs has evolved significantly over the years. Initially, researchers relied on traditional photographic films, which required careful handling and processing to avoid exposure errors. However, advancements in technology have introduced digital imaging systems that offer greater sensitivity and resolution. These modern systems allow for quicker analysis and more accurate quantification of radioactive signals, enhancing the overall efficiency of research studies.Despite its numerous advantages, the use of autoradiographs is not without challenges. Safety concerns regarding the handling of radioactive materials are paramount, necessitating strict protocols to protect researchers and the environment. Furthermore, the interpretation of autoradiographs can sometimes be complicated due to background noise or overlapping signals from multiple sources. Therefore, researchers must employ rigorous controls and validation methods to ensure the accuracy and reliability of their findings.In conclusion, the term autoradiograph encapsulates a powerful tool in scientific research, enabling the visualization of radioactive materials in biological samples. Its applications in molecular biology and pharmacology highlight its significance in advancing our understanding of complex biological systems and developing new therapeutic strategies. As technology continues to progress, the role of autoradiographs will undoubtedly expand, providing even deeper insights into the intricacies of life at the molecular level. The continued exploration and refinement of this technique will pave the way for groundbreaking discoveries in various scientific fields, ultimately benefiting human health and knowledge.

在科学研究领域，特别是在生物学和医学领域，术语autoradiograph（自显影图）发挥着至关重要的作用。autoradiograph是一种在摄影胶卷或数字传感器上生成的图像，用于记录样品中放射性物质的分布。这种技术对于可视化特定物质（如蛋白质或核酸）在细胞或组织中的定位是无价的。该过程涉及将样品暴露于放射性同位素下，这些同位素发出辐射，曝光胶卷或传感器，从而创建反映放射性物质浓度和分布的图像。autoradiographs的主要应用之一是在分子生物学中，研究人员利用这种技术研究基因表达。通过将放射性标记物纳入核酸探针，科学家可以追踪复杂混合物中特定RNA或DNA序列的存在和数量。这使他们能够理解基因在各种条件下如何被调控和表达，从而揭示基本生物过程的奥秘。例如，在研究癌组织时，autoradiograph可以揭示健康细胞与病变细胞之间基因表达的差异，从而提供潜在治疗靶点的见解。此外，autoradiographs还用于药理学中，研究药物在生物体内的分布。通过用放射性同位素标记药物，研究人员可以实时监测其吸收、代谢和排泄。这些信息对于理解新药的药代动力学和优化其剂量以实现最大疗效、最小副作用至关重要。autoradiographs所产生的详细图像帮助科学家可视化药物与不同组织的相互作用，为更有效的治疗铺平了道路。制造autoradiographs的技术多年来有了显著的发展。最初，研究人员依赖传统的摄影胶卷，这需要小心处理和加工，以避免曝光错误。然而，技术的进步引入了数字成像系统，这些系统提供了更高的灵敏度和分辨率。这些现代系统允许更快的分析和更准确的放射性信号定量，提高了研究的整体效率。尽管有众多优点，使用autoradiographs也并非没有挑战。处理放射性材料的安全问题至关重要，需要严格的协议来保护研究人员和环境。此外，由于背景噪声或多个来源的重叠信号，autoradiographs的解释有时可能会很复杂。因此，研究人员必须采用严格的对照和验证方法，以确保他们发现的准确性和可靠性。总之，术语autoradiograph概括了一种强大的科学研究工具，使得在生物样品中可视化放射性物质成为可能。它在分子生物学和药理学中的应用突显了它在推动我们理解复杂生物系统和开发新治疗策略方面的重要性。随着技术的不断进步，autoradiographs的角色无疑将扩大，为深入了解分子层面生命的复杂性提供更深刻的见解。对这一技术的持续探索和完善将为各个科学领域的突破性发现铺平道路，最终造福人类的健康和知识。