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相关概念视频

CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

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The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
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CRISPR and crRNAs02:53

CRISPR and crRNAs

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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
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相关实验视频

Updated: Jan 6, 2026

Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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基于aptamer的psa生物传感技术:从纳米材料到crispr诊断技术

Xuanyu Guo1, Jindong Zhang1, Kun Han1

  • 1Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.

Talanta
|September 28, 2025
PubMed
概括

先进的阿普坦生物传感器显示出前列腺癌早期检测的前景. 纳米材料和CRISPR-Dx技术的创新提高了临床检测的灵敏度和可靠性.

关键词:
基于aptamer的生物传感器这就是CRISPR-Dx.双模式检测检测 双模式检测纳米材料是一种纳米材料.前列腺癌是什么意思 前列腺癌是什么意思前列腺特异性抗原 (PSA) 是

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科学领域:

  • 生物医学工程 生物医学工程
  • 分子诊断学 分子诊断
  • 癌症生物标志物 癌症生物标志物

背景情况:

  • 前列腺癌是男性死亡的主要原因,需要早期检测.
  • 前列腺特异性抗原 (PSA) 是前列腺癌诊断的关键生物标志物.
  • 现有的PSA检测方法 (ELISA,CLIA) 在样本准备和检测时间方面存在局限性.

研究的目的:

  • 审查用于PSA检测的基于aptamer的生物传感器的最新进展 (2019-2025年).
  • 专注于纳米材料创新,CRISPR-Dx集成和双模传感.
  • 评估当前技术的优势/局限性,并建议未来的方向.

主要方法:

  • 对基于aptamer的PSA生物传感器的最新文献的综述.
  • 分析纳米材料在生物传感中的应用.
  • 对CRISPR-Dx和双模检测策略的评估.

主要成果:

  • 阿普塔默生物传感器为PSA检测提供了高亲和度和特异性.
  • 新型纳米材料和双模技术提高了灵敏度和可靠性.
  • 结合CRISPR-Dx可以提高复杂生物样本的准确性.

结论:

  • 体生物传感器的创新正在为改进的PSA检测铺平道路.
  • 这些进展支持便携式护理点检测 (POCT) 设备的开发.
  • 未来的研究应该专注于提高早期查和个性化治疗的效率和临床实用性.