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相关概念视频

Real Time RT-PCR02:57

Real Time RT-PCR

Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...

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通过实时核酶消化进行高通量Aptamer表征.

Caleb Byrd1, Obtin Alkhamis1, Gabriel Castro1

  • 1Department of Chemistry, North Carolina State University, 2620 Yarbrough Dr., Raleigh, North Carolina 27695, United States.

Journal of the American Chemical Society
|March 2, 2026
PubMed
概括

一种新的实时外核酶 (RT-Exo) 试验简化了体特征. 这种高通量方法准确地选了阿巴美尔 - 连接体相互作用,显著提高了各种应用的效率.

科学领域:

  • 生物技术和分子生物学
  • 分析化学 分析化学
  • 生物化学 生化学

背景情况:

  • 由于它们的高亲缘关系结合,aptamers是各种应用的有价值的生物识别元素.
  • 准确地和在高吞吐量下表征阿巴 - 连接物相互作用仍然是一个重大挑战.
  • 以前的外核酶消化试验提供了平行,无标签的选,但缺乏足够的吞吐量.

研究的目的:

  • 开发下一代,高通量检测试剂,用于选阿巴 - 配体相互作用.
  • 为了提高效率,精度和简单的aptamer表征.
  • 为了实现无标签的,实时监测阿普坦酶结合.

主要方法:

  • 开发一种实时外核酶 (RT-Exo) 测定方法,使用一种原性阿普坦米尔记者.
  • 通过使用自动阅读器实时监测阿普坦体的外核分解性消化.
  • 在不同的条件下,对RT-Exo试验的验证,使用不同的体和标.

主要成果:

  • 在RT-Exo测试中,通过减少劳动力和资源,实现了比以前的方法高出数量级的吞吐量.
  • 该试验在不同的体结构和标性质中显示出强大的性能.
  • 在选突变物中成功应用,用于结构活性研究和对120种芬太尼类同类物进行单次结合的分析.

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结论:

  • 该RT-Exo试验显著提高了胺体表征的吞吐量,精度和简单性.
  • 这种方法简化了选aptamer-ligand相互作用的过程.
  • RT-Exo测定是一种强大的工具,用于推进基于aptamer的应用和研究.