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Colorimetric Enantiorecognition of Oligopeptide and Logic Gate Construction Based on DNA Aptamer–Ligand–Gold Nanoparticle Interactions
Author(s) -
Ren Jiangtao,
Wang Jiahai,
Wang Jin,
Wang Erkang
Publication year - 2013
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201202430
Subject(s) - aptamer , oligopeptide , enantiomer , computer science , nanotechnology , dna , chemistry , combinatorial chemistry , computational biology , biology , materials science , biochemistry , peptide , stereochemistry , microbiology and biotechnology
At the gate : Colorimetric enantiorecognition of one oligopeptide was realized by virtue of a D ‐enantiomer specific DNA aptamer as chiral selector and unmodified gold nanoparticles as indicator. Oligopeptide enantiomers as inputs were introduced into colorimetric logic gates, which have the potential for enantiorecognition of oligopeptides (see figure). This system may lead to a better understanding of chiral recognition for information processing in natural systems.