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Table 2 Fractal dimensions ( D f ) calculated by four different methods

From: Selective aggregation of PAMAM dendrimer nanocarriers and PAMAM/ZnPc nanodrugs on human atheromatous carotid tissues: a photodynamic therapy for atherosclerosis

 

Variance

Cube counting

Triangulation

Power spectrum

1 × 1 μm

    

 Healthy

2.23

2.18

2.23

1.68

 Atheromatous

2.41

2.25

2.34

1.89

 Healthy + PAMAM

2.42

2.13

2.18

2.01

 Glass + PAMAM (0.05 M)

2.36

2.21

2.26

2.44

 Glass + PAMAM (0.025 M)

2.49

2.19

2.22

2.05

2 × 2 μm

    

 Healthy

2.30

2.14

2.21

1.95

 Atheromatous

2.52

2.24

2.29

1.66

 Healthy + PAMAM

2.49

2.22

2.28

2.40

 Atheromatous + PAMAM

2.44

2.17

2.14

2.43

 Atheromatous + PAMAM + ZnPc

2.19

2.13

2.18

1.56

3 × 3 μm

    

 Atheromatous

2.32

2.19

2.25

1.29

 Atheromatous + PAMAM + ZnPc

2.30

2.14

2.20

1.50

5 × 5 μm

    

 Healthy

2.28

2.22

2.26

1.47

 Atheromatous

2.53

2.23

2.30

1.84

 Atheromatous + PAMAM

2.33

2.18

2.24

1.64

 Atheromatous + PAMAM + ZnPc

2.33

2.19

2.28

1.47

 Glass + PAMAM (0.025 M)

2.34

2.08

2.14

1.73

  1. PAMAM, polyamidoamine; ZnPc, zinc phthalocyanine.
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