4.7 Article

Extracellular vesicle sizing and enumeration by nanoparticle tracking analysis

Journal

JOURNAL OF EXTRACELLULAR VESICLES
Volume 2, Issue 1, Pages -

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.3402/jev.v2i0.19671

Keywords

extracellular vesicles; nanoparticle tracking analysis; light scattering; standardisation

Categories

Funding

  1. Wellcome Trust Programme Grant [GR079862]
  2. Wellcome Trust Technology Development Grant [GR087730]
  3. MRC Programme Grant [MR/J003360/1]
  4. Oxford Partnership Comprehensive Biomedical Research Centre
  5. Department of Health's National Institute for Health Research Biomedical Research Centres
  6. MRC [MR/J003360/1] Funding Source: UKRI

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Nanoparticle tracking analysis (NTA) is a light-scattering technique that is useful for the rapid sizing and enumeration of extracellular vesicles (EVs). As a relatively new method, NTA has been criticised for a lack of standardisation. We propose the use of silica microspheres for the calibration of NTA measurements and describe in detail a protocol for the analysis of EVs by NTA which should minimise many of the sources of variability and imprecision associated with this technique.

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