Table 2 Biodistribution data of ¹⁸⁸Re-labeled peptides following intravenous injection into A549 tumor-bearing nude mice.

blood

10.9 ± 1.72

10.9 ± 1.72

6.97 ± 1.36

3.26 ± 0.33

0.29

0.78

1.91

1.33

heart

5.5 ± 2.35

5.5 ± 2.35

2.31 ± 0.44

1.61 ± 0.3

0.58

1.09

5.76

2.70

liver

11.88 ± 2.92

11.88 ± 2.92

14.46 ± 3.38

12.85 ± 1.05

0.27

0.44

0.92

0.34

spleen

2.41 ± 0.7

2.41 ± 0.7

8.73 ± 0.8

4.41 ± 2

1.33

1.43

1.52

0.99

lung

2.93 ± 1.31

2.93 ± 1.31

1.69 ± 0.51

0.91 ± 0.57

1.09

2.32

7.88

4.78

kidney

33.79 ± 3.39

33.79 ± 3.39

48.33 ± 3.89

22.81 ± 4.84

0.09

0.14

0.28

0.19

stomach

6.02 ± 2.83

6.02 ± 2.83

4.18 ± 0.8

7.44 ± 1.94

0.53

0.71

3.18

0.58

bone

3.36 ± 2.09

3.36 ± 2.09

2.25 ± 0.75

3.45 ± 1.5

0.95

3.32

5.92

1.26

muscle

0.71 ± 0.34

0.71 ± 0.34

2.49 ± 0.7

0.79 ± 0.1

4.51

4.35

5.35

5.51

brain

0.61 ± 0.22

0.61 ± 0.22

0.34 ± 0.13

0.38 ± 0.15

5.25

7.96

39.15

11.45

tumor

3.2 ± 1.16

3.2 ± 1.16

13.31 ± 1.17

4.35 ± 0.85

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