Figures & data
Table 1 Results of different dispersion methods and parameters
Figure 1 Transmission electron microscopic analysis of the morphology of the LNPs. (A) At a magnification of 22,500×; (B) at a magnification of 20,500×.
Abbreviation: LNPs, lipid nanoparticles.
![Figure 1 Transmission electron microscopic analysis of the morphology of the LNPs. (A) At a magnification of 22,500×; (B) at a magnification of 20,500×.Abbreviation: LNPs, lipid nanoparticles.](/cms/asset/98ac6145-ee2b-468a-b2e9-d245a2bde499/dijn_a_12190780_f0001_b.jpg)
Table 2 Characteristics of common liposomes/nanoparticles/LNPs
Figure 2 Size distribution of the nanoparticles and LNPs: (A) nanoparticles; (B) LNPs.
Abbreviation: LNPs, lipid nanoparticles.
![Figure 2 Size distribution of the nanoparticles and LNPs: (A) nanoparticles; (B) LNPs.Abbreviation: LNPs, lipid nanoparticles.](/cms/asset/a704b19e-4045-4c3b-a430-8866144bad60/dijn_a_12190780_f0002_b.jpg)
Table 3 Preliminary stability of LNPs under different conditions
Figure 3 Transdermal permeation curve of aqueous suspensions, common liposomes, and LNPs in vitro.
Abbreviations: TAA, aqueous suspensions; LPs, common liposomes; LNPs, lipid nanoparticles.
![Figure 3 Transdermal permeation curve of aqueous suspensions, common liposomes, and LNPs in vitro.Abbreviations: TAA, aqueous suspensions; LPs, common liposomes; LNPs, lipid nanoparticles.](/cms/asset/7a125700-3d60-4413-a9f4-6ff908f550c9/dijn_a_12190780_f0003_b.jpg)
Figure 4 Fluorescence distribution of rhodamine-B in scar tissue in rabbit ears. (A1, A2, A3) LNPs group at 4, 8, and 12 hours, respectively; (B1, B2, B3) the control group at 4, 8, and 12 hours, respectively.
Abbreviation: LNPs, lipid nanoparticles.
![Figure 4 Fluorescence distribution of rhodamine-B in scar tissue in rabbit ears. (A1, A2, A3) LNPs group at 4, 8, and 12 hours, respectively; (B1, B2, B3) the control group at 4, 8, and 12 hours, respectively.Abbreviation: LNPs, lipid nanoparticles.](/cms/asset/2a452fac-9a62-471d-a7e5-b4c0cc1b3131/dijn_a_12190780_f0004_c.jpg)
Figure 5 Fluorescence density of rhodamine-B in scar tissue in rabbit ears after 4–12 hours.
Abbreviations: TAA, aqueous suspensions; LNPs, lipid nanoparticles.
![Figure 5 Fluorescence density of rhodamine-B in scar tissue in rabbit ears after 4–12 hours.Abbreviations: TAA, aqueous suspensions; LNPs, lipid nanoparticles.](/cms/asset/0dfee5ad-81b8-44f0-abd9-f52bc24e8fee/dijn_a_12190780_f0005_b.jpg)
Figure 7 HE-stained slices of rabbit ears obtained from different groups treated with HSs (4×10).
Abbreviations: HE, hematoxylin; HSs, hypertrophic scars.
![Figure 7 HE-stained slices of rabbit ears obtained from different groups treated with HSs (4×10).Abbreviations: HE, hematoxylin; HSs, hypertrophic scars.](/cms/asset/43a9b290-fae3-4933-ae16-55d596680829/dijn_a_12190780_f0007_c.jpg)
Figure 8 The VG-stained slices of rabbit ears obtained from different groups treated with HSs (4×10).
Abbreviations: VG, Van Gieson’s solution; HSs, hypertrophic scars.
![Figure 8 The VG-stained slices of rabbit ears obtained from different groups treated with HSs (4×10).Abbreviations: VG, Van Gieson’s solution; HSs, hypertrophic scars.](/cms/asset/27b6cf81-081c-4716-ab65-49bbf310d1fa/dijn_a_12190780_f0008_c.jpg)
Table 4 Scores of single skin irritation tests performed using TAA-LNPs
Table 5 Scores of multiple skin irritation tests performed with TAA-LNPs