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Behavior of straightened DNA with respect to differences in surface modification of substrates and in the origin of DNA. (A) Straightened λ phage DNAs; overview of a trace of a droplet moved on a coverslip coated with DDS. (B) Detail of the straightened phage DNAs. (C) Straightened genomic DNA of T.thermophilus HB8; overview of a trace. (D) Detail of the straightened genomic DNAs.
