Fig. 6From: Gold Nanoparticle-Quantum Dot Fluorescent Nanohybrid: Application for Localized Surface Plasmon Resonance-induced Molecular Beacon Ultrasensitive DNA DetectionZP plot as a function of ionic strength for a TGA-AuNPs, b MPA-AuNPs, c l-cysteine-AuNPs, d GSH-AuNPs and e cysteamine-AuNPs. [NaOH] = 0.1, 10, 102, 103, and 104 μM (a–e). ZP plot as a function of NP concentration for f TGA-AuNPs, g MPA-AuNPs, h l-cysteine-AuNPs, i GSH-AuNPs, and j cysteamine-AuNPs.. NP concentration = 0.5, 1, 2, 4, and 8 nM (f–i) and 10, 20, 40, 80, and 160 nM (j)Back to article page