(A) Absorption and (B) emission spectra of InAs (black) and (InAs)ZnSe (green) QDs, where the numbered spectra correspond to QDs with first absorption, emission peak, and FWHM of (1) 645, 694, 85 nm (2) 710, 739, 77 nm (3) 726, 749, 82 nm (4) 731, 757, 85 nm (5) 768, 781, 109 nm (6) 771, 812, 121 nm. (C) and (D) show gel filtration chromatograms of QDs coated with DHLA and DHLA-PEG, respectively.