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Table 3 Ex vivo skin permeation parameters

From: Thymol-loaded PLGA nanoparticles: an efficient approach for acne treatment

 

Healthy skin

Damaged skin

TH

TH-NP

TH

TH-NP

J (μg/cm2/h)

12.68 ± 1.73

8.03 ± 0.55 a

26.43 ± 2.13 a b d

21.03 ± 0.92 a b

Kp (cm/h)

5.07E−03 ± 6.91E−03

3.21E−03 ± 2.19E−04 a

1.06E−02 ± 3.51E−04 a b d

8.41E−03 ± 3.69E−04 a b

Ap (μg/cm2)

106.43 ± 9.96

96.39 ± 12.68

272.36 ± 14.02 a b d

202.58 ± 11.65 a b

As (μg/cm2)

6.19 ± 1.45

10.85 ± 1.12 a c

5.92 ± 0.92

10.83 ± 2.13 a c

At (μg/cm2)

112.61 ± 11.41

107.24 ± 13.80

278.28 ± 14.93 a b d

213.78 ± 13.78 a b

SSD (p < 0.01)

a

b

c

d

  1. J: flux, Kp: permeability constant, Ap: total amount penetrated, As: total amount retained inside the skin, At: total amount penetrated and retained inside the skin