Exo-spin™ mini, columns | EX03

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EX03-8 | EX03-25 | EX03-50
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Exo-spin™ mini, columns | EX03

Exo-spin™ products provide a proven, rapid and reliable way of generating high-quality purified exosomes suitable for a range of research applications.

Exo-spin™ technology combines precipitation and size exclusion chromatography (SEC), providing flexibility and performance. Using only precipitation for exosome isolation co-purifies large amounts of non-exosomal proteins and other material, as well as carried-over precipitant. SEC is reliable for exosome isolation, but a step is needed for low-exosome content starting material (such as cell culture media) to concentrate the sample prior to SEC isolation. For most applications, precipitation is the simplest way to achieve this concentration. Small samples can be purified directly. For larger samples we provide a simple, two-step protocol that allows consistent and reliable purification of samples in under 2 hours. Iterative loading can also be used to increase loading sample volume.

Table 1. The maximum sample size that can be loaded onto a column will depend on the sample type and whether the sample is concentrated by precipitation or loaded iteratively.

Exo-spin™ column and resin pore size

The  Exo-spin™ mini-column bed volume is 500 µl, allowing 100 µl of sample volume to be loaded on top of the column.

The resin used in these columns contains pores with a diameter of approximately 30 nm.  All molecules which are smaller than 30 nm (e.g. free proteins, lipids) will enter into the pores and have their progress through the resin slowed. Using the protocol provided, these smaller particles remain trapped in the resin. Particles larger than 30nm are still small enough to fit between the resin beads and elute first. The first fraction to elute from the column contains particles between 30-300nm.

Highest recovery and purity

99% of proteins and lipids are removed by the column ensuring a highly pure sample ready for your downstream application.


All our columns are manufactured in-house and undergo rigorous QC checks to ensure a high reproducibility between each lot. A large number of peer-reviewed scientific papers have been published describing the use of Exo-spin™.


Upon receipt, store purification Exo-spin™columns and Exo-spin™ Buffer should be stored at 4°C. All other components should be stored at room temperature (15°C - 25°C).

Frequently Asked Questions (FAQs)

For any additional questions, please refer to FAQs document below.

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