Sperm preparation according to WHO

In 2021 WHO released the new 6th edition of the WHO laboratory manual for the examination and processing of human semen. Many updates have been made that all aim to improve the semen analysis and processing of semen in the laboratory. It is so important for the...

Do not overload your gradient!

Overloading a gradient can cause aggregation of spermatozoa and other components, so called rafting, and this might decrease the yield after preparation. Find films on our website showing the different layers after a centrifugation Support Ref. Pinto S, Sperm...

New standard for basic semen examination

ISO 23162  –  new standard for basic semen examination – specification and test methods is now available.! A new international standard for sperm analysis was needed to ensure that the methods are standardized and that they give reliable results. It will be of great...

Using ProInsert for viscous samples

With a viscous sample, it can take quite some time for the sample to pass through the hole in the insert. There is however no need to wait for it to pass, since the centrifugation itself will force it through. The final result will be the same as if all of the sample...