Scanning tunneling microscopy was used to produce topographic images of uncoated and unlabeled deoxyribonucleic acid (DNA) in air, on a graphite substrate. The images show for the first time a DNA molecule that had been isolated while it was replicating.
Sebastian Maerkl, Laura Sophie Grasemann
Suliana Manley, Chen Zhang, Laurent Casini
Andrea Ablasser, Muhammet Fatih Gülen