The original plan was to
cryopreserve the elm's seeds, notes Christina Walters, a plant physiologist with ARS's National Laboratory for Genetic Resources Preservation in Fort Collins, Colorado.
Is it best to
cryopreserve human cumulus-free immature oocytes before or after in vitro maturation?
In November 2007, the company launched Celle (pronounced "C-L"), the world's first-ever commercial service allowing women to
cryopreserve their own menstrual stem cells.
We anticipate that C'elle will provide the opportunity for women across mainland China to harvest and
cryopreserve their own stem cells for potential therapeutic utilization in the future," said Mercedes A.
Two freezing protocols used to
cryopreserve the Sydney rock oyster (S.
Sperm have been routinely frozen and thawed for decades, but now researchers can
cryopreserve mouse sperm stem cells.
We call it superflash freezing, and it can almost vitrify and
cryopreserve living cells without any cryoprotectant agent," said Yoshitake Akiyama.
Patients are given the opportunity to
cryopreserve the nonpreferred-gender embryos and usually elect to do so.
However, when sperm collection was not possible on the day of oocyte retrieval for ICSI in some cases, we offered the couples to throw or
cryopreserve their oocytes.
But with conventional techniques, they're approaching a dead end in their attempts to
cryopreserve anything nearly as complex as an organ.