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Exosomes are stable, lipid bilayer-enclosed vesicles capable of crossing biological barriers. They can carry a wide range of molecules required for intercellular communication. Once exosomes are released from the cell where they originated, they enter a recipient cell through various pathways such as fusion, receptor-mediated endocytosis, macropinocytosis, and phagocytosis.
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相关实验视频

Updated: Sep 11, 2025

Using Nanoplasmon-Enhanced Scattering and Low-Magnification Microscope Imaging to Quantify Tumor-Derived Exosomes
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用于外体生物传感的等离子纳米结构:使高灵敏度诊断成为可能

Seungah Lee1, Nayra A M Moussa2, Seong Ho Kang1,2

  • 1Department of Applied Chemistry and Institute of Natural Sciences, Kyung Hee University, Yongin-si 17104, Gyeonggi-do, Republic of Korea.

Nanomaterials (Basel, Switzerland)
|August 13, 2025
PubMed
概括

血生物传感提供了对外体的敏感检测,这对于非侵入性诊断至关重要. 纳米塑平台和人工智能的进步为精密医学铺平了道路,克服了外体检测的挑战.

关键词:
外基因组是外基因组中的一个.高灵敏度诊断仪器的使用.局部化的表面等离子体共振.纳米塑生物传感器传播表面的等离子体共振.表面增强的拉曼散射是表面增强的拉曼散射

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科学领域:

  • 生物技术是生物技术.
  • 纳米技术 纳米技术
  • 生物医学工程 生物医学工程

背景情况:

  • 外体 (细胞外囊泡) 是非侵入性诊断和监测的重要生物标志物.
  • 外体体的临床使用受到低丰度,异质性和样本复杂性的限制.

研究的目的:

  • 审查纳米塑生物传感器用于外体检测和分析的最新进展.
  • 突出纳米结构工程,微流体集成和外体分析信号增强方面的创新.

主要方法:

  • 使用等离子体生物传感技术:传播表面等离子体共振 (PSPR),局部表面等离子体共振 (LSPR) 和表面增强拉曼散射 (SERS).
  • 采用纳米结构工程,微流体集成和信号增强策略.
  • 集成人工智能 (AI) 用于光谱解释和诊断分类.

主要成果:

  • 纳米塑平台可以在单囊层面无标签,高度敏感和多重检测外体.
  • 最近的创新已经改善了外体检测和分析能力.
  • 人工智能集成增强了光谱解释和诊断准确度.

结论:

  • 外体生物学与等离子纳米技术之间的协同作用为实时精确诊断提供了一个有前途的途径.
  • 下一代生物传感策略可以实现对外体miRNAs的亚女性分子检测.
  • 解决标准化,可重复性和临床验证方面的挑战对于翻译成功至关重要.