Articles you may be interested inConductivity of DNA probed by conducting-atomic force microscopy: Effects of contact electrode, DNA structure, and surface interactionsWe have investigated the ultrasonic atomization of the deoxyribonucleic acid ͑DNA͒ solution as a simple preparation technique to image circular DNA molecules with the atomic force microscope. The DNA solution with a relatively high concentration ͑ϳ25 g/ml͒ is ultrasonically atomized at the exciting frequency of 2.4 MHz. Preliminary results show that this technique allows an even distribution of unaggregated strands.
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