Figure 3From: Long-term exposure of CdTe quantum dots on PC12 cellular activity and the determination of optimum non-toxic concentrations for biological useHRTEM QD characterisation. HRTEM images of (A) non-gel (~2.5 nm) and (B) gel (~4.5 nm) capped CdTe QDs. (Inserts are blown up images of highlight QDs).Back to article page