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相关概念视频

Immunofluorescence Microscopy01:12

Immunofluorescence Microscopy

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A fluorescence microscope uses fluorescent chromophores called fluorochromes, which can absorb energy from a light source and then emit this energy as visible light. Fluorochromes include naturally fluorescent substances (such as chlorophylls) and fluorescent stains that are added to the specimen to create contrast. Dyes such as Texas red and FITC are examples of fluorochromes. Other examples include the nucleic acid dyes 4’,6’-diamidino-2-phenylindole (DAPI), and acridine orange.
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Immunocytochemistry and Immunohistochemistry01:22

Immunocytochemistry and Immunohistochemistry

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Immunocytochemistry (ICC) and immunohistochemistry (IHC) are techniques that use antibodies to check for specific proteins or antigens in a sample. The technique was first published by Albert Coons in 1941 to detect the presence of pneumococcal antigen in tissue sections from mice infected with Pneumococcus. Immunocytochemistry helps localization of proteins or antigens in individual cells like blood cells, stem cells, etc., while immunohistochemistry does the same for tissue samples.
These...
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Immunogold Electron Microscopy01:20

Immunogold Electron Microscopy

4.0K
Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.
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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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相关实验视频

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Immunofluorescence to Monitor the Cellular Uptake of Human Lactoferrin and its Associated Antiviral Activity Against the Hepatitis C Virus
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直接免疫光是一种直接免疫光.

Maria R Robinson1

  • 1Dr. Robinson is a board-certified dermatologist and dermatopathologist with over 15 years of experience across the academic, private practice, and telehealth sectors. She has a passion for education, and is the founder of www.dermpathforapc.com, an innovative online dermatopathology CME course for advanced practice clinicians.

The Journal of clinical and aesthetic dermatology
|March 11, 2024
PubMed
概括
此摘要是机器生成的。

直接免疫光 (DIF) 有助于皮肤病学诊断. 适当的活检选择,处理和临床指示对于准确的结果和在DIF测试中高效的资源使用至关重要.

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Visualizing Dengue Virus through Alexa Fluor Labeling
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科学领域:

  • 皮肤病学 皮肤病学
  • 免疫病理学 免疫病理学
  • 诊断病理学的诊断病理学

背景情况:

  • 直接免疫光 (DIF) 是皮肤病学中必不可少的诊断技术.
  • 准确的DIF分析在很大程度上依赖于适当的活检程序.
  • 低于最佳的样本采集可能会损害诊断准确性,并导致医疗保健资源分配效率低下.

研究的目的:

  • 提供有关执行DIF的正确指示的指导.
  • 详细说明适当的活检部位选择用于DIF分析.
  • 突出特定的皮肤病症,其中DIF特别有价值.

主要方法:

  • 对DIF标本采集的既定协议的审查.
  • 在DIF测试中影响诊断产量的因素分析.
  • 案例说明了DIF在特定皮肤病中的实用性.

主要成果:

  • 确定了成功DIF的关键因素:临床指示,活检部位和样本处理.
  • 通过不适当的技术证明了假阴性和降低诊断产量的潜力.
  • 介绍了三种不同的皮肤疾病,其中DIF显著帮助诊断.

结论:

  • 遵守适当的程序对于最大限度地提高DIF的诊断价值至关重要.
  • 正确的活检部位选择和样本管理对于可靠的DIF结果至关重要.
  • 当适当使用时,DIF是诊断特定皮肤病的强大工具.