STM studies of synthetic peptide monolayers

被引:0
|
作者
Bergeron, DJ [1 ]
Clauss, W [1 ]
Pilloud, DL [1 ]
Dutton, PL [1 ]
Johnson, AT [1 ]
机构
[1] Univ Penn, Sch Med, Dept Phys & Astron, Philadelphia, PA 19104 USA
来源
ELECTRONIC PROPERTIES OF NOVEL MATERIALS - PROGRESS IN MOLECULAR NANOSTRUCTURES: XII INTERNATIONAL WINTERSCHOOL | 1998年 / 442卷
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中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We have used scanning probe microscopy to investigate self-assembled monolayers of chemically synthesized peptides. We find that the peptides form a dense uniform monolayer, above which is found a sparse additional layer. Using scanning tunneling microscopy, submolecular resolution can be obtained: revealing the alpha helices which constitute the peptide. The nature of the images is not significantly affected by the incorporation of redox cofactors (hemes) in the peptides.
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页码:456 / 459
页数:4
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