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How pure are your vesicles?

Jason Webber Orcid Logo, Aled Clayton

Journal of Extracellular Vesicles, Volume: 2, Issue: 1

Swansea University Author: Jason Webber Orcid Logo

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DOI (Published version): 10.3402/jev.v2i0.19861

Abstract

We propose a straightforward method to estimate the purity of vesicle preparations by comparing the ratio of nano-vesicle counts to protein concentration, using tools such as the increasingly available NanoSight platform and a colorimetric protein assay such as the BCA-assay. Such an approach is sim...

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Published in: Journal of Extracellular Vesicles
ISSN: 2001-3078 2001-3078
Published: Wiley 2013
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa64725
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Abstract: We propose a straightforward method to estimate the purity of vesicle preparations by comparing the ratio of nano-vesicle counts to protein concentration, using tools such as the increasingly available NanoSight platform and a colorimetric protein assay such as the BCA-assay. Such an approach is simple enough to apply to every vesicle preparation within a given laboratory, assisting researchers as a routine quality control step. Also, the approach may aid in comparing/standardising vesicle purity across diverse studies, and may be of particular importance in evaluating vesicular biomarkers. We herein propose some criteria to aid in the definition of pure vesicles.
Keywords: Extracellular vesicles, nano-particle tracking, vesicle counting, sample purity
College: Faculty of Medicine, Health and Life Sciences
Funders: This work was supported by a Cancer Research Wales programme grant and an award from the Movember GAP1 Exosome Biomarker study to AC.
Issue: 1