Exosome Quantitation

When you need to know the amount of exosomes you’ve isolated, SBI offers a range of exosome quantification kits, including exosome ELISAs, to meet your needs

When you need to know the amount of exosomes you’ve isolated, SBI offers a range of exosome quantification kits, including exosome ELISAs, to meet your needs. For the fastest and most sensitive antibody-based quantitation, our new ExoELISA-ULTRA CD63 kit improves on our original ExoELISA Kits by providing greater sensitivity—down to 1-200 µg protein equivalent—and a fast, 4-hour workflow.

If you want speedier quantitation (20 min) that does not rely on antibody binding, the EXOCET kit provides direct measurement of the activity of a known exosomal protein, Acetylcholinesterase (AChE). FluoroCet is a >30-fold more sensitive version of EXOCET that relies upon fluorescence-based quantitation.

 ExoELISA-ULTRAExoELISAEXOCETFluoroCet
* No overnight incubation necessary
UseFor fast and sensitive antibody-based quantitation of exosomesFor sensitive quantitation of exosomes when time is not limitingFor fast quantitation of extracellular vesicles with moderate sample input requirementsFor the most sensitive detection with very low sample input requirements
Detection MethodAntibodyAntibodyEnzymatic, colorimetricEnzymatic, fluorescent
Protocol Time4 hours*24 hours20 minutes60 minutes
Input amount1–200 µg protein equivalent50-100 µg protein equivalent50 µg protein equivalent<1 µg protein equivalent

Exosome Quantitation


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Exosome Quantitation Products

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Exosome Binding Buffer for ExoELISAs

Additional Exosome Binding Buffer optimized for use with any of our ExoELISA Kits.
Size:20 mL (Cat. # EXOEL-BB-20)

ExoELISA Complete Kit (CD63 Detection)

A sensitive ELISA assay for exosome quantitation based on the presence of CD63, a general exosome marker. Compatible with most biofluids.
Size:96 Reactions (Cat. # EXOEL-CD63A-1)

ExoELISA Complete Kit (CD81 Detection)

A sensitive ELISA assay for exosome quantitation based on the presence of CD81, a general exosome marker. Compatible with most biofluids.
Size:96 Reactions (Cat. # EXOEL-CD81A-1)

ExoELISA Complete Kit (CD9 Detection)

A sensitive ELISA assay for exosome quantitation based on the presence of CD9, a general exosome marker. Compatible with most biofluids.
Size:96 Reactions (Cat. # EXOEL-CD9A-1)

ExoELISA-ULTRA Complete Kit (CD81 Detection)

With a 4-hour total assay time, this sensitive ELISA-based assay speeds quantitation of exosomes from most biofluids
Size:96 Reactions (Cat. # EXEL-ULTRA-CD81-1)

ExoELISA-ULTRA Complete Kit (CD63 Detection)

With a 4-hour total assay time, this sensitive ELISA-based assay speeds quantitation of exosomes from most biofluids
Size:96 Reactions (Cat. # EXEL-ULTRA-CD63-1)

96-well ExoELISA Plate

Pack of ten 96-well ExoELISA plates optimized for use with any of SBI’s ExoELISA assays.
Size:10 Plates (Cat. # EXOEL-96P-1)

EXOCET Exosome Quantitation Kit

Find out how many extracellular vesicles you have in just 20 minutes with this antibody-free, colorimetric assay
Size:96 Reactions (Cat. # EXOCET96A-1)

EXOCET Standards

Standards for our fast and easy EXOCET assay
Size: (Cat. # EXOCET-SD-1)

FluoroCet Exosome Quantitation Kit

Get the most sensitive quantitation of exosomes and other extracellular vesicles with this 1 hour, antibody-free assay that has low sample input requirements
Size:96 Reactions (Cat. # FCET96A-1)

ExoGlowTM-NTA Fluorescent Labeling Kit
(for Malvern NanoSight)

See only extracellular vesicles with Nanoparticle Tracking Analysis for more accurate particle size analysis and quantitation with Malvern's NanoSight
Size:10 Reactions (Cat. # EXONTA200A-1)

ExoGlowTM-NTA Fluorescent Labeling Kit
(for Particle Metrix ZetaView®)

See only extracellular vesicles for more accurate particle size analysis and quantitation using Particle Metrix's ZetaView®
Size:10 Reactions (Cat. # EXONTA110A-1)

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