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Vurdering af opbevarings stabiliteten af ekstracellulære vesikler
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Evaluation of the Storage Stability of Extracellular Vesicles
DOI:

11:31 min

May 22, 2019

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Chapters

  • 00:04Title
  • 00:55Cell-Conditioned Medium (CCM) Preparation and Ultracentrifugation and Glucuronidase Encapsulation
  • 03:22Size-Exclusion Chromatography (SEC) Purification
  • 04:18Glucuronidase Assay
  • 05:13Extracellular Vesicle (EV) Lyophilization and Rehydration
  • 06:19EV Analysis After Storage
  • 09:15Results: Representative EV Storage Stability Evaluation
  • 10:47Conclusion

Summary

Automatic Translation

Her præsenterer vi en let anvendelig protokol til at vurdere opbevarings stabiliteten af ekstracellulære vesikler, en gruppe af naturligt forekommende nanopartikler produceret af celler. Vesikler er lastet med glucuronidasesystemer som model enzym og opbevaret under forskellige forhold. Efter opbevaring evalueres deres fysisk-kemiske parametre og aktiviteten af det indkapslet enzym.

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