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相关概念视频

Western Blotting01:15

Western Blotting

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Western blotting is an analytical technique for protein identification. It has various applications in immunology and medicine, including detecting diseases like bovine spongiform encephalopathy, mad cow disease, and human and feline immunodeficiency virus from biological samples.
The technique begins with separating proteins from the sample using sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), followed by protein transfer, immunoblotting, and finally, protein detection.
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Enzyme-Linked Immunosorbent Assay01:33

Enzyme-Linked Immunosorbent Assay

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In 1971, Peter Perlman and Eva Engvall developed an Enzyme-linked immunosorbent assay (ELISA or EIA). ELISA differs from western blot in that the assays are conducted in microtiter plates or in vivo rather than on an absorbent membrane.
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen.  Enzyme-substrate reaction allows the antigen to be visualized or...
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相关实验视频

Updated: Apr 12, 2026

Detection of Bacteria Using Fluorogenic DNAzymes
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开发和验证一种产生红线试验的方法.

Bryan Puentes1, Erin A Hisey1, Michelle Ferneding1

  • 1Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA.

The ocular surface
|August 10, 2024
PubMed
概括

研究人员开发了一种红线测试 (PRTT) 作为干眼疾病的可复制诊断工具. 这种新的PRTT性能与商用版本相比,在需要时提供可靠的替代方案.

关键词:
在Awat2的时间里PRTTTT 是一个很棒的平台.区域-快速的快速地带水性眼的产生干眼疾病 诊断测试 测试 诊断测试

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Colorimetric Paper-based Detection of Escherichia coli, Salmonella spp., and Listeria monocytogenes from Large Volumes of Agricultural Water
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Colorimetric Paper-based Detection of Escherichia coli, Salmonella spp., and Listeria monocytogenes from Large Volumes of Agricultural Water

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Development of a Quantitative Recombinase Polymerase Amplification Assay with an Internal Positive Control
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Development of a Quantitative Recombinase Polymerase Amplification Assay with an Internal Positive Control

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相关实验视频

Last Updated: Apr 12, 2026

Detection of Bacteria Using Fluorogenic DNAzymes
13:20

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Colorimetric Paper-based Detection of Escherichia coli, Salmonella spp., and Listeria monocytogenes from Large Volumes of Agricultural Water
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Development of a Quantitative Recombinase Polymerase Amplification Assay with an Internal Positive Control
08:37

Development of a Quantitative Recombinase Polymerase Amplification Assay with an Internal Positive Control

Published on: March 30, 2015

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科学领域:

  • 眼科医生 眼科 眼科
  • 生物医学工程 生物医学工程
  • 诊断测试开发 诊断测试开发

背景情况:

  • 商用红线测试 (PRTT) 对于诊断干眼疾病至关重要.
  • 商业PRTT的有限可用性需要开发替代方法.
  • 精确的眼产量测量对于干眼评估至关重要.

研究的目的:

  • 开发和验证一种可重复的方法,用于生成红线试验 (PRTT).
  • 为商业PRTT建立一个具有成本效益和可访问性的替代品.
  • 在干眼模型中确认开发的PRTT的诊断实用性.

主要方法:

  • 醇红色染料被用来浸棉线,用于PRTT的创作.
  • 在实验室中,对各种pH值和时间间隔进行了评估.
  • 在野生型和蒸发性干眼 (Awat2 KO) 小鼠中评估了体内诊断效用.

主要成果:

  • 两批自制PRTT的外观和功能与商业测试相似.
  • 试验室内动力学显示,批量和商业试验之间没有显著差异.
  • 在体内研究证实了类似的眼体积测量,并检测到Awat2 KO小鼠的眼体积增加.

结论:

  • 开发的方法为干眼提供了可重现和有效的诊断测试.
  • 自生成的PRTT可以作为商业测试的可靠替代品.
  • 这项研究验证了可访问干眼诊断的新方法.