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相关概念视频

DNA Isolation01:24

DNA Isolation

DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
Labeling DNA Probes03:31

Labeling DNA Probes

DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...

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相关实验视频

Updated: May 8, 2026

DNAzyme 10-23 - Based Nanomachines for Nucleic Acid Recognition
07:16

DNAzyme 10-23 - Based Nanomachines for Nucleic Acid Recognition

Published on: February 9, 2024

一个通用的基于DNA的蛋白质检测系统.

Thua N N Tran1, Jinhui Cui, Mark R Hartman

  • 1Department of Biological & Environmental Engineering, ∥Department of Molecular Biology and Genetics, and ⊥Kavli Institute at Cornell for Nanoscale Science, Cornell University , Ithaca, New York 14853, United States.

Journal of the American Chemical Society
|August 28, 2013
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种基于DNA的新型蛋白质检测系统,消除了对二次抗体的需求. 这种多功能平台以模块化和高容量增强了蛋白质检测方法.

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Last Updated: May 8, 2026

DNAzyme 10-23 - Based Nanomachines for Nucleic Acid Recognition
07:16

DNAzyme 10-23 - Based Nanomachines for Nucleic Acid Recognition

Published on: February 9, 2024

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04:33

CRISPR-Cas-mediated Multianalyte Synthetic Urine Biomarker Test for Portable Diagnostics

Published on: December 8, 2023

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科学领域:

  • 生物技术是生物技术.
  • 免疫检测 免疫检测
  • 分子生物学分子生物学

背景情况:

  • 蛋白质检测通常依赖于二级抗体,导致跨物种交叉反应性和有限的初级/二级抗体对可用性的挑战.
  • 目前用于蛋白质免疫检测的方法受到特定二次抗体的需要的限制,这复杂化了测试开发,并限制了灵活性.

研究的目的:

  • 开发一种多功能,抗体独立的基于DNA的蛋白质检测系统.
  • 为了克服蛋白质免疫检测试验中二次抗体选择的局限性.
  • 创建一个新的平台,用于高容量,多重蛋白质检测.

主要方法:

  • 一个通用适配器被设计用于将IgG抗体与DNA修饰的记者分子联系起来.
  • 该系统使用DNA纳米条形码,量子点和胡卜过氧化酶作为记者来演示.
  • 使用这种基于DNA的标记策略检测到多种蛋白质.

主要成果:

  • 成功实施基于DNA的蛋白质检测系统,绕过了对二次抗体的需求.
  • 使用DNA纳米条形码,量子点和胡卜过氧化酶,证明了多种蛋白质的检测.
  • 验证了系统的模块化,高容量和多重检测能力.

结论:

  • 开发的基于DNA的系统为传统的二次抗体依赖蛋白质检测提供了一种多功能替代方案.
  • 这种新的方法平台为蛋白质检测提供了增强的模块化,高容量和多重功能.
  • 该系统消除了与二次抗体相关的跨物种交叉反应问题,扩大了检测可能性.