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200
100
0
150 nm
0
20 40 60 80 100
Contour Length (nm)
120 140 160 180 200 220
300
(b)
200
100
0
100 nm
0
20 40 60 80 100 120140160 180 200 220
Contour Length (nm)
(c)
300
200
100
0
150 nm
0
20 40 60 80 100 120 140 160180 200 220
Contour Length (nm)
(d)
300
200
100
0
150 nm
020406080 100 120 140 160 180 200 220
Contour Length (nm)
(e)
150 nm
Figure 8.13
AFM image and the corresponding contour length distribution of DNA
fragments: (a) before incorporating DNA into the H
II
nonionic LLC system; (b) after
3 days of release in the excess water environment; (c) after 4 days release, and (d) after
15 days release at room temperature. (e) AFM image after 15 days of DNA release
from the cation-based H
II
LLC system (Amar-Yuli et al., 2011a).
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