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Journal for Biophysical Chemistry

Table 2 Adsorption of nucleic acids onto hydrotalcite with various anion exchange capacities a

From: Charge density and particle size effects on oligonucleotide and plasmid DNA binding to nanosized hydrotalcite

Bound DNA (%)

[HT] (mg/ml)

100-150°C

200-150°C

300-150°C

400-150°C

500-150°C

Pvu4a

0.08

5.3 ± 1.3%

8.3 ± 2.2%

19.2 ± 4.4%

6.6 ± 8.8%

12.1 ± 7.0%

0.4

18.7 ± 1.8%

28.4 ± 2.0%

44.0 ± 9.6%

30.1 ± 4.1%

22.6 ± 3.9%

2

41.0 ± 4.7%

59.1 ± 8.3%

78.2 ± 3.8%

78.3 ± 3.0%

76.5 ± 6.2%

10

92.7 ± 5.5%

94.2 ± 4.2%

95.5 ± 5.5%

92.9 ± 4.4%

96.2 ± 8.2%

Pvu4a + cPvu4a

0.08

17.0 ± 0.5%

11.4 ± 0.2%

14.8 ± 0.2%

11.7 ± 0.1%

13.3 ± 0.4%

0.4

20.3 ± 0.4%

25.9 ± 0.4%

28.5 ± 0.5%

28.5 ± 0.6%

25.6 ± 0.6%

2

52.6 ± 2.5%

59.7 ± 4.7%

77.7 ± 7.0%

76.1 ± 3.7%

78.4 ± 6.6%

10

91.9 ± 6.0%

93.8 ± 4.0%

96.9 ± 4.6%

98.0 ± 4.7%

98.8 ± 3.5%

pRS316

0.08

7.5 ± 0.1%

8.3 ± 0.1%

11.4 ± 0.4%

7.1 ± 0.1%

3.4 ± 0.1%

0.4

19.3 ± 0.3%

19.8 ± 0.4%

42.4 ± 2.2%

31.8 ± 1.6%

27.3 ± 0.4%

2

57.6 ± 1.8%

62.8 ± 3.3%

86.8 ± 6.3%

83.9 ± 6.5%

77.0 ± 7.7%

10

87.0 ± 5.3%

96.5 ± 9.9%

99.4 ± 30.4%

99.8 ± 17.6%

99.7 ± 22.1%

  1. a Nucleic acid samples include: Pvu4a, Pvu4a + cPvu4a, and pRS316. Numbers shown indicate averages ± standard deviations.