ara-GTP concentration (pmol/106 cells) |
|
−30°C |
−80°C |
|
Day1 |
Day3 |
Day6 |
Day6 |
Day13 |
1 month |
2 months |
MeOH / 28% ammonia water (7/3, v/v) |
Mean |
18.08 |
19.65 |
14.60 |
18.05 |
20.24 |
19.12 |
17.57 |
SD |
0.46 |
1.22 |
0.88 |
2.91 |
2.41 |
1.22 |
4.30 |
CV% |
2.5 |
6.2 |
6.0 |
16.1 |
11.9 |
6.4 |
24.5 |
% Diff |
−9.6 |
−1.7 |
−27.0 |
−9.8 |
1.2 |
−4.4 |
−12.2 |
MeOH / 250 mM ammonium carbonate solution (7/3, v/v) |
Mean |
17.00 |
13.01 |
12.06 |
14.81 |
13.56 |
9.65 |
11.00 |
SD |
1.11 |
2.30 |
3.08 |
1.75 |
3.09 |
3.19 |
3.64 |
CV% |
6.5 |
17.7 |
25.6 |
11.8 |
22.8 |
33.0 |
33.1 |
% Diff |
−15.0 |
−35.0 |
−39.7 |
−25.9 |
−51.7 |
−45.0 |
|
% Diff, versus nominal concentration (20 pmol/106 cells) |