Matsumura Kazuaki
,
Hayashi Fumiaki
,
Nagashima Toshio
,
Rajan Robin
,
Hyon Suong-Hyu
… The polymer-chain dynamics and the water and ion mobilities in the presence of various membrane penetrating and non-penetrating cryoprotectants were monitored at low temperatures to mimic cryopreservation conditions. … NMR experiments revealed that the water, Sodium-ion, and polymer-chain signals in a carboxylated poly-ʟ-lysine (COOH-PLL) solution broadened upon cooling, indicating increasingly restricted mobility and increased solution viscosity. …
IR