Selective aggregation of polyanion-coated gold nanorods induced by divalent metal ions in an aqueous solution.

Young In Yang1, Inhee Choi1, Surin Hong1, Suseung Lee1, Taewook Kang2, Hyunjoo Lee3, and Jongheop Yi1 ∗ 1School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, 151-742, Seoul, Korea 2Chemical and Biomolecular Engineering, Sogang University, 121-742, Seoul, Korea 3Department of Chemical and Biomolecular Engineering, Yonsei University, 120-749, Seoul, Korea