D (nm)

PIa

bZP (mV)

cSD

LDVAD

Lipid dispersion

481

0.4

+47

4.0

Lipoplexes (1:1)

981

0.6

−29

3.8

Lipoplexes (2:1)

791

0.7

−31

6.4

Lipoplexes (4:1)

644

0.5

−27

8.2

MDVAD

Lipid dispersion

587

0.5

+44

3.2

Lipoplexes (1:1)

817

0.6

−30

20

Lipoplexes (2:1)

664

0.7

−27

12

Lipoplexes (4:1)

840

0.6

−29

9.4

PDVAD

Lipid dispersion

986

0.6

+46

3.0

Lipoplexes (1:1)

533

0.6

−25

13

Lipoplexes (2:1)

527

0.6

−21

8.3

Lipoplexes (4:1)

599

0.5

−22

6.1

SDVAD

Lipid dispersion

1483

0.4

+44

3.0

Lipoplexes (1:1)

2990

1

−29

9.8

Lipoplexes (2:1)

809

0.6

−20

10

Lipoplexes (4:1)

1657

1

−21

8.4

ODVAD

Lipid dispersion

192

0.2

+49

4.2

Lipoplexes (1:1)

547

0.6

+1.7

3.4

Lipoplexes (2:1)

552

0.3

+5.4

3.5

Lipoplexes (4:1)

521

0.09

+18

3.5