期刊
NANOMEDICINE
卷 6, 期 6, 页码 1115-1129出版社
FUTURE MEDICINE LTD
DOI: 10.2217/NNM.11.71
关键词
cryopreservation; cryoprotectant agents; droplet vitrification; minimum volume vitrification
资金
- Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Center for Bioengineering, Department of Medicine, Brigham
- Women's Hospital, Harvard Medical School, Boston, MA, USA
- NIH [R21 HL095960]
Cell/tissue biopreservation has broad public health and socio-economic impact affecting millions of lives. Cryopreservation technologies provide an efficient way to preserve cells and tissues targeting the clinic for applications including reproductive medicine and organ transplantation. Among these technologies, vitrification has displayed significant improvement in post-thaw cell viability and function by eliminating harmful effects of ice crystal formation compared to the traditional slow freezing methods. However, high cryoprotectant agent concentrations are required, which induces toxicity and osmotic stress to cells and tissues. It has been shown that vitrification using small sample volumes (i.e., < 1 mu l) significantly increases cooling rates and hence reduces the required cryoprotectant agent levels. Recently, emerging nano-and micro-scale technologies have shown potential to manipulate picoliter to nanoliter sample sizes. Therefore, the synergistic integration of nanoscale technologies with cryogenics has the potential to improve biopreservation methods.
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