Plasmid DNA. Semicontact mode in buffer solution.

DNA-Nucleosome complexes immobilized on functionalized mica.
550 nm scan, true-noncontact mode, fpN10S probe.
Sample courtesy of Dr. L. Shlyakhtenko and Prof. Yu. Lyubchenko, University of Nebraska Medical Center.

832 bp DNA molecules immobilized on functionalized mica.
220 nm scan, true-noncontact mode, high resolution probe fpN10HR was used.
Sample courtesy of Dr. L. Shlyakhtenko and Prof. Yu. Lyubchenko, University of Nebraska Medical Center.

Bacillus Cereus vegetative cells.
Amplitude image overlaid on topography,
36 microns scan, Z range 700 nm.

Plasmid DNA molecules on mica.
300 nm scan, semicontact mode, fpN10S probe.