Measurement of DNA morphological parameters at highly entangled regime on surfaces.

@article{Cal2009MeasurementOD,
  title={Measurement of DNA morphological parameters at highly entangled regime on surfaces.},
  author={Annalisa Cal{\`o} and Pablo Stoliar and Eva Bystrenova and Francesco Dalla Valle and Fabio Biscarini},
  journal={The journal of physical chemistry. B},
  year={2009},
  volume={113 15},
  pages={
          4987-90
        }
}
The morphology of circular DNA deposited from a solution on the mica surface is analyzed from the power spectrum density (PSD) of the atomic force microscopy (AFM) images. Sample morphology is modulated in a broad range of concentration C from isolated molecules to highly entangled networks. DNA exhibits a multiaffine behavior with two correlation length scales: the persistence length P which remains constant ( approximately 50 nm) within the C range and the intermolecular distance xi which… CONTINUE READING

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