Table 2.

Detection limit of QDs (pmol/g) in each organ after chemical extraction.

Tissue	ALN	Liver	Kidneys	Spleen	Lungs	Heart	Intestine	Brain	Bladder	Skin
Detection limit (pmol/g)	2.49	4.20	2.20	2.76	2.78	3.98	2.67	2.69	0.72	1.77

QDs: Quantum Dots; ALN: Axillary Lymph Node