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Skin permeability p...
Skin permeability prediction with MD simulation sampling spatial and alchemical reaction coordinates
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- Lundborg, Magnus (författare)
- ERCO Pharma AB, Sci Life Lab, Solna, Sweden.
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- Wennberg, Christian (författare)
- ERCO Pharma AB, Sci Life Lab, Solna, Sweden.
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- Lidmar, Jack, 1968- (författare)
- KTH,Tillämpad fysik,Kondenserade materiens teori
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- Hess, Berk (författare)
- KTH,Science for Life Laboratory, SciLifeLab,SeRC - Swedish e-Science Research Centre,Biofysik
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- Lindahl, Erik, 1972- (författare)
- KTH,Stockholms universitet,Institutionen för biokemi och biofysik,Science for Life Laboratory (SciLifeLab),KTH Royal Institute of Technology, Sweden,SeRC - Swedish e-Science Research Centre,Science for Life Laboratory, SciLifeLab,Biofysik,Stockholm Univ, Dept Biophys & Biochem, Sci Life Lab, Solna, Sweden.
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- Norlén, Lars (författare)
- Karolinska Institutet
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ERCO Pharma AB, Sci Life Lab, Solna, Sweden Tillämpad fysik (creator_code:org_t)
- Biophysical Society, 2022
- 2022
- Engelska.
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Ingår i: Biophysical Journal. - : Biophysical Society. - 0006-3495 .- 1542-0086. ; 121:20, s. 3837-3849
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- A molecular-level understanding of skin permeation may rationalize and streamline product development, and improve quality and control, of transdermal and topical drug delivery systems. It may also facilitate toxicity and safety assessment of cosmetics and skin care products. Here, we present new molecular dynamics simulation approaches that make it possible to efficiently sample the free energy and local diffusion coefficient across the skin’s barrier structure to predict skin permeability and the effects of chemical penetration enhancers. In particular, we introduce a new approach to use two-dimensional reaction coordinates in the accelerated weight histogram method, where we combine sampling along spatial coordinates with an alchemical perturbation virtual coordinate. We present predicted properties for 20 permeants, and demonstrate how our approach improves correlation with ex vivo/in vitro skin permeation data. For the compounds included in this study, the obtained log KPexp-calc mean square difference was 0.9 cm2 h−2.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biofysik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biophysics (hsv//eng)
Nyckelord
- cutaneous drug administration
- metabolism
- molecular dynamics
- permeability
- skin
- skin absorption
- Administration
- Cutaneous
- Molecular Dynamics Simulation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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