Figure 4From: The impact of CdSe/ZnS Quantum Dots in cells of Medicago sativa in suspension cultureConfocal (A, B) and wide field (C, D) fluorescence images of M. sativa cells after 48 hours of incubation with 10 nM of mercaptopropanoic acid-QDs showing QD internalization. Arrows point to 1- nucleus, 2- cytoplasmic strands, 3-vacuole and 4-hyaloplasm. Scale bar = 20 μM.Back to article page