ExoStd™ Urine Fluorescent Exosome Standard

Green fluorescent Exosomes from Human Urine of healthy donors

M1075 is available from Abcam as ab288122.
Catalog #: M1075 | abID: ab288122

Product Details

abID ab288122
Cat # +Size M1075-100
Size 100 µg
Highlights Highly purified Exosomes available from Human Urine
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Highly purified Exosomes available from Human Urine

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How are your fluorescent exosomes labeled? Is it a genetic approach or dye based labeling?
The exosomes are labeled post isolation. It is a dye-based labeling.
If you are using dye based labelling, is that a lipid dye or an antibody label? For how long is it stable?
It is lipid dye labeling. Exosomes can be aliquoted and stored at -20 °C for 6 months.
You use ultracentrifugation to prep the EVs from cell culture and bodily fluids for the non-fluorescent products. What is the method used to determine the size range? Do you also evaluate them using TEM?
We do not use ultracentrifugation anymore. The exosomes are purified by Tangential Flow Filtration (TFF) and size exclusion chromatography. The size is determined by Nanoparticle Tracking Analysis (NTA), using the Zetaview instrument of Particle Matrix. We do not evaluate all lots by Transmission Electron Microscopy (TEM), but we have done the testing. The vesicles are in size range 40 – 110 nm.