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Table 2 Overview of DNA concentrations using Nanodrop and Gel based estimation

From: Opening the archives for state of the art tumour genetic research: sample processing for array-CGH using decalcified, formalin-fixed, paraffin-embedded tissue-derived DNA samples

Sample

ID*

Nanodrop conc

(ng/μl)

260/280

ratio

260/230

ratio

Gel-based conc

(ng/μl)

Correction

factor**

Array QC***

1

131.0

1.84

2.47

134.5

0.97

OK

2

153.0

1.84

2.42

130.7

1.17

OK

3

31.9

1.88

2.67

24.9

1.28

OK

4

10.9

1.66

0.41

4.5

2.41

NP

5

13.6

2.08

1.57

3.9

3.51

NP

6

44.7

1.8

1.38

20.5

2.18

NP

7

9.8

2.06

1.92

9.0

1.08

NP

8

44.0

1.1

0.3

3.1

14.36

NP

9

57.5

1.57

0.82

3.8

14.94

Poor

10

540.0

1.78

1.9

346.9

1.56

OK

11

164.0

1.63

1.24

19.5

8.42

Poor

12

102.0

1.76

1.98

19.3

5.27

OK

13

485.0

1.84

2.34

270.5

1.79

OK

14

291.0

1.8

2.3

127.8

2.28

OK

15

430.0

1.69

2.17

76.3

5.64

Poor

16

208.0

1.81

2.21

135.9

1.53

OK

17

269.0

1.84

2.35

192.3

1.40

OK

18

63.0

1.73

2.11

9.7

6.48

Poor

19

215.0

1.75

2.12

146.6

1.47

OK

20

285.0

1.7

2.37

170.4

1.67

OK

21

1376.0

1.78

1.28

565.6

2.43

OK

22

88.6

1.67

0.91

68.1

1.30

OK

23

259.8

1.8

1.75

286.8

0.91

OK

24

496.4

1.7

1.8

523.9

0.95

OK

25

30.6

1.7

1.6

25.2

1.22

NP

26

172.0

1.8

2.11

NP

NP

OK

27

306.0

1.75

1.98

NP

NP

OK

28

203.0

1.89

2.31

NP

NP

OK

29

132.9

1.78

2.05

NP

NP

OK

30

300.0

1.8

1.96

NP

NP

OK

31

71.0

1.67

0.89

NP

NP

OK

32

47.5

1.71

0.68

NP

NP

Poor

C1

500

1.8

1.95

462.9

1.08

NP

C2

250

1.8

1.95

238

1.05

NP

C3

50

1.8

1.95

45

1.11

NP

  1. * Sample ID corresponds to the sample label in Figure 1
  2. ** Nanodrop concentration/Gel-based concentration
  3. *** NP: Not performed