Figure 3
From: Surface charge-dependent cytokine production using near-infrared emitting silicon quantum dots
UV–visible absorption spectra of Pluronic F127, am-Pluronic f127, and Ethylenediamine (a). and am-PSiQDs, n-PSiQDs, and ac-PSiQDs (b), Fluorescence emission spectra of n-PSiQDs (c), am-Pluronic f127 (d), am-PSiQDs (e), and ac-PSiQDs (f) with 400 nm excitation. Fluorescence lifetime profiles of SiQDs-De and all three surface-modified SiQDs (g).
