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VOLUME 51 (1990) | ISSUE 10 | PAGE 513
Scanning tunneling microscopy of gramicidin A molecules embedded in Langmuir-Blodgett film
The ion channels formed by gramicidin A molecules embedded in a Langmuir-Blodgett film have been visualized by scanning tunneling microscopy at atmospheric pressure. The film was a bilayer of dipalmitoyllecithin molecules on a graphite surface. The results of the study agree with existing molecular models.