title: Colorimetric detection of DNA using unmodified metallic nanoparticles and peptide nucleic acid probes.
authors.affiliation: Institute of Materials Research and Engineering, ASTAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602.
authors.forename: Roejarek
authors.initials: R
authors.lastname: Kanjanawarut
authors.forename: Xiaodi
authors.initials: X
authors.lastname: Su