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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02550
|2 doi
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|a pubmed24n1169.xml
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|a (DE-627)NLM350847983
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|a (NLM)36573314
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Gupta, Krishna M
|e verfasserin
|4 aut
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| 245 |
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|a Formulation and Skin Permeation of Active-Loaded Lipid Nanoparticles
|b Evaluation and Screening by Synergizing Molecular Dynamics Simulations and Experiments
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 11.01.2023
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|a Date Revised 01.02.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Encapsulation into nanoparticles (NPs) is a potential method to deliver pharmaceutical/cosmetic actives deep into the skin. However, understanding the NP formulations and underlying mechanism of active delivery to skin has scarcely been studied. We report a simulation platform that screens, evaluates, formulates, and provides atomic-resolution interpretation of NP-based formulations, and reveals the active permeation mechanism from NPs to skin. First, three actives, namely, ferulic acid (FA), clotrimazole (CZE), and tretinoin (TTN), and five lipid excipients' (Compritol, Precirol, Geleol, Gelot, Gelucire) combinations were screened by MD simulations for the best pairs. For each suggested pair, the actual active and lipid compositions for the synthesis of stable NP formulations were then obtained by experiments. MD simulations demonstrate that in NP formulations, FA and CZE actives are present at the surface of the NPs, whereas TTN actives are present at both the surface and interior of the NP core. The NP shapes obtained by simulation perfectly match with experiments. For each NP, separate MD simulations illustrate that active-loaded NPs approach the skin surface quickly, and then actives translocate from NP surface to skin surface followed by penetration of NPs through skin. The driving force for the translocation which initiates during the penetration process, is the stronger active-skin interaction compared to active-NP interaction. Permeation free energy indicates spontaneous transfer of actives from solution phase to the surface of the skin bilayer. The free energy barriers are increased in the order of FA < TTN < CZE. Significantly lower diffusions of actives are obtained in the main barrier region compared to bulk, and the average diffusion coefficients of actives are in the same order of magnitude (∼10-6 cm2/s). The estimated permeability coefficients (log P) of actives are mainly governed by free energy barriers. The study would facilitate the development of novel lipid-based NP formulations for personal-care/pharmaceutical applications
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lipid Nanoparticles
|2 NLM
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| 650 |
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|a Liposomes
|2 NLM
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| 650 |
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|a Lipids
|2 NLM
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| 700 |
1 |
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|a Das, Surajit
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wong, Annie B H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chow, Pui Shan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 39(2023), 1 vom: 10. Jan., Seite 308-319
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:1
|g day:10
|g month:01
|g pages:308-319
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02550
|3 Volltext
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|d 39
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|h 308-319
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