       Document 0514
 DOCN  M9490514
 TI    Use of molybdenum telluride as a substrate for the imaging of biological
       molecules during scanning tunnelling microscopy.
 DT    9411
 AU    Campbell SA; Muller DJ; Jungblut H; Giersig M; Tomm Y; Lewerenz HJ;
       University of Portsmouth, Department of Chemistry, UK.
 SO    Analyst. 1994 May;119(5):727-34. Unique Identifier : AIDSLINE
       MED/94346582
 AB    Scanning tunnelling microscopy was used to image biological molecules
       including supercoiled deoxyribonacetic acid and specific retrovirus
       enzymes, the reverse transcriptases of the avian myeloblastosis virus,
       the moloney murine leukaemia virus and the human immunodeficiency virus.
       Measurements were carried out on graphite and Group VI transition metal
       dichalcogenide layered crystals. Images obtained with graphite could not
       be unequivocally interpreted and attachment appears to occur solely at
       surface defect sites. The layered crystal MoTe2 shows different imaging
       properties. The bimolecules are clearly visible, distributed over the
       semiconductor surface, and the molecular shapes and dimensions show good
       correlation with structure predictions.
 DE    DNA, Superhelical/*CHEMISTRY  Microscopy, Scanning Tunneling/*METHODS
       *Molybdenum  Retroviridae/CHEMISTRY/ENZYMOLOGY  Reverse
       Transcriptase/*CHEMISTRY  *Tellurium  JOURNAL ARTICLE

       SOURCE: National Library of Medicine.  NOTICE: This material may be
       protected by Copyright Law (Title 17, U.S.Code).

