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Using Nanoplasmon-Enhanced Scattering and Low-Magnification Microscope Imaging to Quantify Tumor-Derived Exosomes
JoVE Journal
Bioengineering
This content is Free Access.
JoVE Journal Bioengineering
Using Nanoplasmon-Enhanced Scattering and Low-Magnification Microscope Imaging to Quantify Tumor-Derived Exosomes
DOI:

09:30 min

May 24, 2019

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Chapters

  • 00:04Title
  • 01:01Preparation of Nanoparticle Probes (AuNR-IgG)
  • 02:17Preparation of Extracellular Vesicle Capture Slides and Exosome Capture
  • 05:17Low-Magnification Dark-Field Microscope (LMDFM) Image Acquisition and Analysis
  • 07:48Results: Exosome Quantification by Analysis of LMDFM Images
  • 08:25Conclusion

Summary

Automatic Translation

Clinical translation of exosome-derived biomarkers for diseased and malignant cells is hindered by the lack of rapid and accurate quantification methods. This report describes the use of low-magnification dark-field microscope images to quantify specific exosome subtypes in small volume serum or plasma samples.

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