title: Molecular resolution imaging of polyglucose by scanning tunneling microscopy.
abstract: We have obtained atomic resolution images of poly-alpha-D-glucose by scanning tunneling microscopy. The oxygen atoms near the scanning tip were imaged, but the carbon and hydrogen atoms were not visible. The measured inter-atomic distances are consistent with the molecular structure of poly-alpha-D-glucose deduced from chemical and X-ray diffraction studies. The results also demonstrate that is is feasible to image surface atomic structures of a relatively thick non-conducting specimen, suggesting that the technique may be applied to the study of other macromolecules of biological importance.
authors.affiliation: Department of Physiology, University of Virginia, Charlottesville 22908.
authors.forename: J
authors.initials: J
authors.lastname: Yang
authors.forename: K
authors.initials: K
authors.lastname: Takeyasu
authors.forename: A P
authors.initials: AP
authors.lastname: Somlyo
authors.forename: Z F
authors.initials: ZF
authors.lastname: Shao
mesh_terms: D000818:Animals; D005947:Glucose / Q000737:chemistry; D008112:Liver Glycogen; D016252:Microscopy, Scanning Tunneling / Q000379:methods*; D015394:Molecular Structure; D011817:Rabbits
chemical_list: D008112:Liver Glycogen; D005947:Glucose