Biodistribution data for ^99mTc-labeled PNA derivatives performed in healthy male Wistar rats at 5 min and 60 min after single intravenous injection. Data are presented as SUV.

	17-mer [99mTc](Tc-Dpa)-PNA		17-mer [99mTc](Tc-Dpa)-(Cys-PEG2kDa)-PNA		17-mer [99mTc](Tc-Dpa)-(Cys-PEG10kDa)-PNA
	5 min p.i. (n = 12)	60 min p.i. (n = 11)	5 min p.i. (n = 8)	60 min p.i. (n = 8)	5 min p.i. (n = 8)	60 min p.i. (n = 8)
Blood	1.36 ± 0.21	0.24 ± 0.10	1.51 ± 0.13	0.24 ± 0.06	2.01 ± 0.38	0.34 ± 0.11
Kidneys	11.7 ± 1.60	13.1 ± 1.99	12.0 ± 1.42	9.29 ± 1.10	11.3 ± 1.86	9.75 ± 2.64
Adrenals	0.56 ± 0.12	0.14 ± 0.04	0.80 ± 0.25	0.32 ± 0.21	0.82 ± 0.15	0.25 ± 0.08
Liver	0.91 ± 0.23	0.85 ± 0.26	1.12 ± 0.42	0.98 ± 0.42	1.15 ± 0.21	0.73 ± 0.30
Spleen	0.59 ± 0.31	0.22 ± 0.04	0.92 ± 0.29	0.71 ± 0.34	0.60 ± 0.13	0.54 ± 0.46
Pancreas	0.51 ± 0.30	0.14 ± 0.16	0.35 ± 0.04	0.26 ± 0.25	0.51 ± 0.06	0.61 ± 1.24
Thymus	0.46 ± 0.09	0.10 ± 0.02	0.46 ± 0.08	0.10 ± 0.01	0.45 ± 0.06	0.12 ± 0.04
Muscles	0.38 ± 0.16	0.05 ± 0.01	0.35 ± 0.03	0.09 ± 0.04	0.30 ± 0.08	0.13 ± 0.09
Lung	1.06 ± 0.18	0.22 ± 0.06	2.30 ± 0.69	2.16 ± 1.36	1.41 ± 0.24	0.42 ± 0.16
Heart	0.58 ± 0.07	0.10 ± 0.04	0.64 ± 0.06	0.13 ± 0.04	0.81 ± 0.21	0.17 ± 0.06
Femur	0.56 ± 0.03	0.16 ± 0.02	0.45 ± 0.01	0.14 ± 0.03	0.51 ± 0.07	0.16 ± 0.04
Testicles	0.25 ± 0.13	0.09 ± 0.02	0.34 ± 0.14	0.13 ± 0.03	0.34 ± 0.08	0.16 ± 0.03
Hadrian glands	0.57 ± 0.08	0.12 ± 0.03	0.58 ± 0.18	0.18 ± 0.15	0.59 ± 0.09	0.17 ± 0.04
Brain	0.04 ± 0.01	0.01 ± 0.00	0.04 ± 0.00	0.02 ± 0.02	0.07 ± 0.02	0.01 ± 0.01
Hair & Skin	0.79 ± 0.07	0.24 ± 0.11	0.93 ± 0.08	0.24 ± 0.03	0.86 ± 0.19	0.28 ± 0.07