Fig. 4From: Functionalization of stable fluorescent nanodiamonds towards reliable detection of biomarkers for Alzheimer’s diseaseCell internalization of functionalized NDs in the bEnd.3 cell line. Image of bEnd.3 cells incubated with ND (panels a and c) and fND (panels b and d) at concentrations of 2 pM (panels a and b) and 20 pM (panels c and d) for 6 hBack to article page