A controlled rate liquid nitrogen cooling device suitable for freeze preservation of living cells.
D005615:Freezing; D006801:Humans; D008297:Male; D009584:Nitrogen; D011309:Preservation, Biological / Q000295:instrumentation*; D012661:Semen / Q000166:cytology; D014345:Trypanosoma / Q000166:cytology
D009584:Nitrogen