Atomic Force Microscopy of Red-Light Photoreceptors Using PeakForce Quantitative Nanomechanical Property MappingMarie E. Kroeger 1, Blaire A. Sorenson 2, J. Santoro Thomas 2, Emina A. Stojković 1, Stefan Tsonchev 2, Kenneth T. Nicholson 2
1Department of Biology, Northeastern Illinois University, 2Department of Chemistry, Northeastern Illinois University
A method for investigating the structure of a protein photoreceptor using atomic force microscopy (AFM) is described in this paper. PeakForce Quantitative Nanomechanical Property Mapping (PF-QNM) reveals intact protein dimers on a mica surface.