title: Colorimetric Cu(2+) detection using DNA-modified gold-nanoparticle aggregates as probes and click chemistry.
authors.affiliation: Department of Chemistry and International Institute for Nanotechnology Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA.
authors.forename: Xiaoyang
authors.initials: X
authors.lastname: Xu
authors.forename: Weston L
authors.initials: WL
authors.lastname: Daniel
authors.forename: Wei
authors.initials: W
authors.lastname: Wei
authors.forename: Chad A
authors.initials: CA
authors.lastname: Mirkin
mesh_terms: D003124:Colorimetry / Q000379:methods*; D003300:Copper / Q000032:analysis*; D004247:DNA / Q000737:chemistry; D006046:Gold / Q000737:chemistry; D053768:Metal Nanoparticles / Q000737:chemistry*
chemical_list: D006046:Gold; D003300:Copper; D004247:DNA