转基因玉米MIR604基体标准物质研制
李俊,李亮,李夏莹,宋贵文,沈平,张丽,翟杉杉,柳方方,吴刚,张秀杰,武玉花

Development of genetically modified maize MIR604 matrix reference materials
Jun LI,Liang LI,Xia-Ying LI,Gui-Wen SONG,Ping SHEN,Li ZHANG,Shan-Shan ZHAI,Fang-Fang LIU,Gang WU,Xiu-Jie ZHANG,Yu-Hua WU
表4 标准物质拷贝数比值长期稳定性检验结果
Table 4 Long-term stability of copy number ratio
时间
Time
4℃条件下测量值
Measured value at 4℃
-20℃条件下测量值
Measured value at -20℃
0个月 0 month 0.496 0.506
1个月 1 month 0.486 0.494
2个月 2 months 0.508 0.495
4个月 4 months 0.492 0.484
6个月 6 months 0.506 0.506
平均值Mean 0.498 0.497
斜率Slope (β1) 0.003 -0.001
与斜率相关的不确定度Uncertainty associated with slope s(β1) 0.0031 0.0034
t0.95,n-2 3.182 3.182
t0.95,n-2×s(β1) 0.010 0.011
稳定性判断Conclusion 稳定Stable 稳定Stable