Table 2.

In vitro viability and GSIS of rat islets vitrified-warmed on an NM device and an SF sponge disc

		Insulin secretion (ng/islet/h)
Group	Viability (%)	3 mM glucose	20 mM glucose	Stimulation Index
Fresh control	97.5 ± 0.5 a	0.13 ± 0.02 a	0.82 ± 0.04 a	6.5 ± 0.6
NM vitrification	77.9 ± 3.0 b	0.26 ± 0.05 b	1.06 ± 0.06 ab	4.7 ± 0.7
SF vitrification	74.4 ± 1.7 b	0.30 ± 0.02 b	1.23 ± 0.17 b	4.2 ± 0.7

^a,bDifferent superscripts within a column denote significant difference (P < 0.05).

Mean ± SE, 5 replicates (viability), and 6 replicates (GSIS).