Higher-order complexity through R-group effects in self-assembled tripeptide monolayers

Self-assembled monolayers of tri-L-leucine and tri-L-valine formed on highly ordered pyrolytic graphite (HOPG) substrates have been examined using scanning tunneling microscopy. These monolayers exhibit markedly different structures, even though the tripeptides differ by only a minor change in the a...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 21 vom: 02. Nov., Seite 16287-90
1. Verfasser: Rampulla, David M (VerfasserIn)
Weitere Verfasser: Oncel, Nuri, Malcolm, Stuart A, Bernasek, Steven L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Membranes, Artificial Oligopeptides pyrolytic carbon Carbon 7440-44-0 Leucine GMW67QNF9C Valine HG18B9YRS7
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245 1 0 |a Higher-order complexity through R-group effects in self-assembled tripeptide monolayers 
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520 |a Self-assembled monolayers of tri-L-leucine and tri-L-valine formed on highly ordered pyrolytic graphite (HOPG) substrates have been examined using scanning tunneling microscopy. These monolayers exhibit markedly different structures, even though the tripeptides differ by only a minor change in the amino acid R-group. This minor change in R-group apparently affects the balance between hydrogen bonding and van der Waals interactions that control the monolayer structures. Implications of this effect for evolution of molecular complexity in prebiotic synthesis on environmental surfaces are discussed 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Malcolm, Stuart A  |e verfasserin  |4 aut 
700 1 |a Bernasek, Steven L  |e verfasserin  |4 aut 
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