Figure 4
From: Natural zwitterionic betaine enables cells to survive ultrarapid cryopreservation
Cytotoxicity tests of betaine and DMSO.
The attachment of GLC-82 cells after exposure in medium containing 2% of betaine and DMSO for 1 day (upper row), 2 days (middle row) and 3 days (lower row), and in culture medium as a control. Scale bar = 50 μm.
