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Conferences and Meetings17-Jan-2018

The IMT team will be attending a number of conferences, meetings and events in 2018, in co..


The Matcher team will be running a series of webinars on different topics and at different times..

IMT Newsletter - Autumn 201731-Oct-2017

Download the latest IMT newsletter here. (/2017 Autumn newsletter.pdf) ..

The Technology

Insulated samples

  • Under conventional vitrification, when a sample is plunged into the liquid nitrogen the nitrogen boils
  • As the nitrogen boils, a gas pocket forms around the sample, which acts to insulate the sample
  • This insulating gas pocket slows down heat transfer and results in a slower cooling rate for the sample


  • VitMaster reduces the temperature of liquid nitrogen to below its boiling point
  • At these ultra-low temperatures the nitrogen forms a semi-solid “slush”
  • This prevents formation of the gas pocket around samples when they are plunged
  • Cooling rates are therefore significantly increased

VitMaster device

The VitMaster is very simple to use, and easily portable


Numerous publications have analysed the effects of using VitMaster to improve vitrification results, for a selection of such references please click here.

If you need any further information

+44 (0)1829 771 327

Latest news

Contact the IMT Matcher team or your local distributor to see the latest developments in electronic witnessing.  




Straws, even in sealed form, can be cooled safely with an increased cooling rate
Amir Arav, Institute of Animal Science, Agricultural Research Organisation, Volcani Centre, Israel