Table 1 Observed responses in the Box–Behnken design during the optimization of independent variables involved in the preparation of liposomes.

From: Exploring peptide dendrimers for intestinal lymphatic targeting: formulation and evaluation of peptide dendrimer conjugated liposomes for enhancing the oral bioavailability of Asenapine maleate

Batches

Independent variables (coded)#

Dependent variables (coded)*

X1

X2

X3

Y1

Y2

LP-ASPM-F1

0

-1

 + 1

112.7 ± 2.9

55.75 ± 3.00

LP-ASPM-F2

 + 1

0

 + 1

118.6 ± 1.8

47.90 ± 2.6

LP-ASPM-F3

0

0

0

124.4 ± 0.4

48.07 ± 0.1

LP-ASPM-F4

0

-1

-1

132.3 ± 1.7

60.55 ± 1.6

LP-ASPM-F5

-1

0

-1

131.3 ± 0.8

59.23 ± 1.2

LP-ASPM-F6

0

 + 1

 + 1

116.9 ± 3.2

41.11 ± 1.1

LP-ASPM-F7

-1

 + 1

0

124.9 ± 2.1

52.01 ± 2.8

LP-ASPM-F8

-1

-1

0

131.3 ± 1.3

59.59 ± 1.5

LP-ASPM-F9

-1

0

 + 1

119.6 ± 1.5

57.44 ± 0.5

LP-ASPM-F10

0

 + 1

-1

112.5 ± 1.9

59.79 ± 2.2

LP-ASPMS-F11

 + 1

0

-1

113.3 ± 2.6

49.44 ± 1.3

LP-ASPM-F12

0

0

0

124 ± 0.3

48.96 ± 1.0

LP-ASPM-F13

 + 1

 + 1

0

118.4 ± 2.2

43.04 ± 0.9

LP-ASPM-F14

 + 1

-1

0

122.4 ± 2.5

46.20 ± 3.1

LP-ASPM-F15

0

0

0

124.3 ± 0.4

48.43 ± 0.5

  1. #Independent variables: X1- Total lipid content, -1 = 100 mg, 0 = 150 mg, + 1 = 200 mg; X2- Sonication time, -1 = 5 min, 0 = 9 min, + 1 = 13 min; X3- Pulser on time, -1 = 6 min, 0 = 8 min, + 1 = 10 min. *Dependent variables: Y1- Particle size (nm); Y2—Drug EE (%EE).