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Small ; 13(2)2017 Jan.
Article in English | MEDLINE | ID: mdl-27753200

ABSTRACT

The electronic spin filtering capability of a single chiral helical peptide is measured. A ferromagnetic electrode source is employed to inject spin-polarized electrons in an asymmetric single-molecule junction bridging an α-helical peptide sequence of known chirality. The conductance comparison between both isomers allows the direct determination of the polarization power of an individual chiral molecule.


Subject(s)
Peptides/chemistry , Spin Labels , Amino Acid Sequence , Electric Conductivity , Electrodes , Electrons , Gold/chemistry , Nickel/chemistry , Stereoisomerism
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