Surface Modification of a Stable CdSeZnS/ZnS Alloy Quantum Dot for Immunoassay

Figure 2

(a) UV-Vis absorbance of two kinds of QDs: (A) antibody-conjugated commercial QDs; (B) antibody-conjugated alloy QDs. (b) photoluminescence intensity of antibody-conjugated QDs at 550–700 nm: (A) commercial QDs (inlet: an enlarged image of measured PL intensity); (B) alloy QDs.

(a)

(b)