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Table 8 Seven selected human tissues model 1–4 simulations. Average RMSRE% for ε′ and σ of on the ranges 0.01–10 GHz and 1–10 GHz. εs (protein) rescaled for [μ2/MW (Collagen)/μ2/MW (RNaseA)]

From: A heuristic model to evaluate the dielectric properties of human tissues at microwave band based on water and solid content

Tissue

RMSRE (%) ε′

RMSRE (%) σ′

0.01–10 (GHz)

1–10 (GHz)

0.01–10 (GHz)

1–10 (GHz)

Model 1

 Cartilage

21.3

24.3

8.4

10.9

 Eye corneal

19.7

3.7

50.4

29.7

 Fat

6.4

5.7

77.7

27.5

 Liver

21.9

15.8

19.1

17.3

 Muscle

13.3

7.6

37.1

18

 Skin

30.6

4.7

38.5

63.4

 Tendon

19.1

10

14.4

6.6

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Cartilage

14.85

17.6

  

  Eye corneal

35.05

16.7

  

  Fat

42.05

16.6

  

  Liver

20.5

16.55

  

  Muscle

25.2

12.8

  

  Skin

34.55

34.05

  

  Tendon

16.75

8.3

  

 Avg tissues

26.9929

17.5143

  

Model 2

 Cartilage

12.3

5.4

16.6

13.4

 Eye corneal

23.3

24.5

38.9

19.7

 Fat

100

100

100

100

 Liver

13.1

9.7

17.1

15.9

 Muscle

19

26.7

18.9

10.2

 Skin

22.9

8.4

91.5

100

 Tendon

20.1

6.6

16.4

11.6

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Cartilage

14.45

9.4

  

  Eye corneal

31.1

22.1

  

  Fat

100

100

  

  Liver

15.1

12.8

  

  Muscle

18.95

18.45

  

  Skin

57.2

54.2

  

  Tendon

18.25

9.1

  

 Avg tissues

36.4357

32.2929

  

Model 3

 Cartilage

21.3

24.1

8.3

10.6

 Eye corneal

19.8

3.5

50.3

29.8

 Fat

6.5

5.7

3.6

3.9

 Liver

22

15.7

19

17.2

 Muscle

13.5

7.7

37.1

17.9

 Skin

23.7

6.6

32.3

25.6

 Tendon

18.9

10.3

9

5.8

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Cartilage

14.8

17.35

  

  Eye corneal

35.05

16.65

  

  Fat

5.05

4.8

  

  Liver

20.5

16.45

  

  Muscle

25.3

12.8

  

  Skin

28

16.1

  

  Tendon

13.95

8.05

  

 Avg tissues

20.3786

13.1714

  

Model 4

 Cartilage

24.6

31.2

12.3

20.5

 Eye corneal

20.4

7.9

51

27.6

 Fat

6.4

5.7

77.7

27.5

 Liver

23.6

20.2

21.6

18.9

 Muscle

12.6

4.6

38.4

17.2

 Skin

25

12.6

39.6

46.7

 Tendon

16.7

4.9

12.9

16.7

 Avg (RMSRE (%) ε′, σ)

0.01–10 (GHz)

1–10 (GHz)

  

  Cartilage

18.45

25.85

  

  Eye corneal

35.7

17.75

  

  Fat

42.05

16.6

  

  Liver

22.6

19.55

  

  Muscle

25.5

10.9

  

  Skin

32.3

29.65

  

  Tendon

14.8

10.8

  

 Avg tissues

27.3429

18.7286