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Table 1 The Spike-in Qubit™ RNA HS Assay achieves 5 pg/μL lower quantification limit for the Qubit™ RNA standard #2

From: Lowering the quantification limit of the QubitTM RNA HS Assay using RNA spike-in

Expected increase (pg/μL)

Ave. measured increase ± SD (pg/μL)

Relative error

Coefficient of variation

Deviation from ideal

1

1.1 ± 1.3

12.5%

114.6%

127.1%

2

2.7 ± 0.7

32.5%

27.6%

60.1%

3

3.2 ± 0.4

7.5%

13.6%

21.1%

4

4.1 ± 0.8

2.5%

19.9%

22.4%

5

5.3 ± 0.2

6.3%

4.6%

10.9%

7.5

7.8 ± 0.5

3.6%

5.8%

9.4%

10

10.7 ± 0.5

6.9%

4.7%

11.6%

15

15.5 ± 0.3

3.4%

1.7%

5.1%

20

20.3 ± 0.9

1.6%

4.4%

6.0%

  1. A 250 pg/μL Qubit™ RNA Standard #2 RNA sample was used to assess the accuracy and precision of reading increases between 1 and 20 pg/μL using the Spike-in Qubit™. Average measured reading increase ± standard deviation (SD), relative error, coefficient of variation, and deviation from ideal expressed in percent are listed in the table. N = 4 independent repeats.