# Biomod/2011/TUM/TNT/Results

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Length Measurements

Length Measurements

- We also measured the lengths of the origami structures on the TEM images. Histograms of the length distributions display a gaussian shape (figure 6). For increasing concentrations of spermine, the length decreases steadily (figure 6a, for raw data see this file: TEM_length_measurements_raw_data.xlsx. Surprisingly, for rising concentrations of ethidium bromide, the length decreases as well, although addition of ethidium bromide is known to increase the length of a simple double stranded DNA (figure 6b). It seems, that origami structures react here in another manner then single helices.
[[Image:Control length histo gaussian.png |390px|center|thumb|Fig. 6 Length distribution of theU negative control, with a gaussian fit, histogram based on 256 particles]]
[[Image:Control length histo gaussian.png |390px|center|thumb|Fig. 6 Length distribution of theU negative control, with a gaussian fit, histogram based on 256 particles]]

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