Table 1.

Survival Ratio (%) of NDs at Different Time Points

Temperature	2 Min*	3 Min	4 Min	5 Min	6 Min	7 Min	8 Min	9 Min	10 Min
25°C	100.00	97.74	90.94	89.61	81.36	83.51	80.78	74.04	66.72
37°C	100.00	86.85	81.90	81.51	80.98	76.66	75.21	67.88	55.75

Note: *Represented the time to peak contrast intensity.