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Table 1 The PU structures characteristics obtained by Zetasizer Nano ZS

From: Influence of emulsifiers on the characteristics of polyurethane structures used as drug carrier

Sample code

Emulsifier

Particle size (nm)

Zeta potential (mV) mean ± SD

Mean ± SD

Polydispersity index

PuS-1

Cremophor EL

164 ± 12

0.2

33.9 ± 5.0

PuS-2

Cremophor A6

201 ± 19

0.5

37.5 ± 4.4

PuS-3

Cremophor A25

298 ± 11

0.4

23.0 ± 4.8

PuS-4

Cremophor RH40

379 ± 23

0.3

29.7 ± 3.1