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. 2024 Apr 15;6(9):2487–2498. doi: 10.1039/d3na01156a

Characterization of blank and drug-loaded NPs fabricated using flash nanoprecipitation in THF or DMF, respectively, from: (A) P(L)LA10K-b-PEG10K (B) P(L)LA10K-b-POEGMA47510K (C) P(L)LA10K-b-POEGMA200010K.

Solvent Polymer Hydrodynamic diameter (nm) Polydispersity Zeta potential (mV) Drug loading capacity (%) Encapsulation efficiency (%)
THF P(L)LA10K-b-PEG10K 159 ± 2 0.34 −4 ± 1
P(L)LA10K-b-POEGMA47510K 88 ± 2 0.27 −15 ± 2
P(L)LA10K-b-POEGMA200010K 114 ± 1 0.21 −11 ± 1
DMF P(L)LA10K-b-PEG10K 151 ± 1 0.29 −1 ± 1
P(L)LA10K-b-POEGMA47510K 43 ± 1 0.28 −1 ± 1
P(L)LA10K-b-POEGMA200010K 81 ± 3 0.39 −1 ± 1
DMF + 1 mg mL−1 Dox·HCl) P(L)LA10K-b-PEG10K 343 ± 3 0.25 1 ± 2 3.3 ± 0.1 33 ± 1
P(L)LA10K-b-POEGMA47510K 97 ± 3 0.33 1 ± 4 2.5 ± 0.1 25 ± 1
P(L)LA10K-b-POEGMA200010K 102 ± 5 0.37 1 ± 1 1.4 ± 0.2 14 ± 2