Ultra-fast cooling is the key to successful cell vitrification cryopreservation of lower concentration cryoprotective solution. This research develops a cell cryopreservation methodology which utilizes thin film evaporation and achieves vitrification of relatively low concentration cryoprotectant with an ultra-fast cooling rate. Experimental results show that the average cooling rate of dimenthylsulphoxide cryoprotective solution reaches 150,000°C/min in a temperature range from 10°C to −180°C. The ultra-fast cooling rate can remarkably improve the vitrification tendencies of the cryoprotective solution. This methodology opens the possibility for more successful cell vitrification cryopreservation.
Volume Subject Area:
Biomedical Applications of Micro/Nanoscale Transport
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