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Yang N, Ai X, Cheng K, Wu Y, Lu Z, Liu Z, Guo T, Feng N. A Compound Essential Oil Alters Stratum Corneum Structure, Potentially Promoting the Transdermal Permeation of Hydrophobic and Hydrophilic Ingredients. Curr Drug Deliv 2024; 21:744-752. [PMID: 36683374 DOI: 10.2174/1567201820666230120122206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/06/2022] [Accepted: 11/25/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND The stratum corneum (SC) is the main barrier of the skin, and cosmeceuticals are different from ordinary cosmetics in that they need to deliver active ingredients targeting specific skin problems through the SC into the deeper layers of the skin. Thus, we designed a compound essential oil (CEO) extracted from Salvia miltiorrhiza Bge and Cinnamomum cassia Presl, supplemented with borneol to deliver active ingredients through the SC. METHODS The CEO was prepared by flash extraction combined with the microwave method. Moreover, the main components of the CEO were determined using gas chromatography-mass spectrometry (GCMS). Visualization techniques, such as scanning electron microscopy (SEM), haematoxylin-eosin (HE) staining, and confocal laser scanning microscopy (CLSM), were used to study the permeationpromoting mechanism of the CEO on the skin. Furthermore, the permeation-promoting effects of the CEO on both hydrophobic and hydrophilic ingredients were tested via in vitro skin penetration experiments and in vivo microdialysis experiments. RESULTS The results indicated the ability of the CEO to alter the structure of the SC, leading to enhanced transdermal permeation of hydrophobic and hydrophilic ingredients. The 1.5% CEO group demonstrated the best permeation-promoting effect compared to the other CEO groups and blank groups (P<0.05). Furthermore, the CEO displayed an expedited permeability-promoting effect on hydrophobic ingredients compared to hydrophilic ingredients. CONCLUSION It is concluded that the prepared CEO can promote the transdermal permeation of hydrophobic and hydrophilic ingredients. This study will provide a reference for the application of the prepared CEO in the development of cosmeceuticals with natural efficacy.
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Affiliation(s)
- Na Yang
- Department of Pharmacy, Shanghai Inoherb Cosmetics Co. LTD, Shanghai 200444, China
| | - Xinyi Ai
- Department of Pharmaceutical Sciences, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Kang Cheng
- Department of Pharmacy, Shanghai Inoherb Cosmetics Co. LTD, Shanghai 200444, China
| | - Yihan Wu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhi Lu
- Department of Pharmacy, Shanghai Inoherb Cosmetics Co. LTD, Shanghai 200444, China
| | - Zhenda Liu
- Department of Pharmaceutical Sciences, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Teng Guo
- Department of Pharmaceutical Sciences, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Nianping Feng
- Department of Pharmaceutical Sciences, School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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2
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Rochowski P. On the equivocal nature of the mass absorption curves. Int J Pharm 2023; 646:123452. [PMID: 37774756 DOI: 10.1016/j.ijpharm.2023.123452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/13/2023] [Accepted: 09/27/2023] [Indexed: 10/01/2023]
Abstract
The idea behind the research presented is based upon apparently contradictory experimental results obtained here by means of photoacoustics modalities for the same drug donor/acceptor membrane system, serving as a surrogate for a transdermal delivery system. The first modality allowed for the monitoring of the total amount of mass uptake (m(t)-type data), while the second technique allowed for the quantification of time-dependent concentration distribution within the acceptor membrane (c(x,t)-type data). Despite of a very good agreement between the mt data and the 1st-order uptake fitting model (standard Fickian diffusion with constant source boundary condition), the standard approach failed during the c(x,t) data analysis. The results led to the analysis of the interfacial transfer contribution to the overall mass transfer efficiency, which eventually allowed to question reliability of the mt data analysis for the determination and quantification of the mass transport parameters. A more detailed analysis of the c(x,t) by means of the newly introduced transport rate number parameter revealed, that the mass uptake by the acceptor is almost equally influenced by interfacial and bulk transport processes. The analyses performed were translated into a model-free characteristic times, i.e. parameters independent of the model scheme used.
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Affiliation(s)
- Pawel Rochowski
- Institute of Experimental Physics, Faculty of Mathematics, Physics and Informatics, University of Gdańsk, Wita Stwosza 57, 80-308 Gdańsk, Poland.
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3
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Zamani Zakaria A, Jepps OG, Gould T, Anissimov YG. Permeable Cornified Envelope Layer Regulates the Solute Transport in Human Stratum Corneum. J Pharm Sci 2023; 112:1939-1946. [PMID: 36931344 DOI: 10.1016/j.xphs.2023.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 03/06/2023] [Accepted: 03/06/2023] [Indexed: 03/17/2023]
Abstract
To unravel the diffusion mechanisms of percutaneous drug delivery, suitable numerical analysis of stratum corneum structure is essential. In this research paper, we accounted for the permeable envelope layer in the brick-and-mortar finite element models of human stratum corneum. Both penetration and desorption experiments for tritiated water were simulated by transient finite element analysis. Rivet-shaped corneodesmosomes were included in the brick and mortar model. Results showed that cornified lipid permeability (Penv) is a determinant in desorption of the solute, while lipid transverse diffusion coefficient (Dlip-trans) is prominent during penetration. These two major unknowns (Penv and Dlip-trans) were obtained by extensive fitting of the finite element model to the experimental water data. Penv and Dlip-trans were determined to be 1×10-2 cm/s and 5.7×10-10 cm2/s, respectively.
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Affiliation(s)
- Afshin Zamani Zakaria
- School of Environment and Science, Griffith University, Queensland 4111, Australia; Queensland Micro and Nanotechnology Centre, Griffith University, Nathan, Queensland 4111, Australia.
| | - Owen G Jepps
- School of Environment and Science, Griffith University, Queensland 4111, Australia; Queensland Micro and Nanotechnology Centre, Griffith University, Nathan, Queensland 4111, Australia.
| | - Tim Gould
- School of Environment and Science, Griffith University, Queensland 4111, Australia; Queensland Micro and Nanotechnology Centre, Griffith University, Nathan, Queensland 4111, Australia
| | - Yuri G Anissimov
- Queensland Micro and Nanotechnology Centre, Griffith University, Nathan, Queensland 4111, Australia
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4
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Wang J, Nitsche JM, Kasting GB, Wittum G, Nägel A. Transdermal and lateral effective diffusivities for drug transport in stratum corneum from a microscopic anisotropic diffusion model. Eur J Pharm Biopharm 2023:S0939-6411(23)00032-2. [PMID: 36764498 DOI: 10.1016/j.ejpb.2023.01.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 10/10/2022] [Accepted: 01/27/2023] [Indexed: 02/11/2023]
Abstract
This paper presents a computational model of molecular diffusion through the interfollicular stratum corneum. Specifically, it extends an earlier two-dimensional microscopic model for the permeability in two ways: (1) a microporous leakage pathway through the intercellular lipid lamellae allows slow permeation of highly hydrophilic permeants through the tissue; and (2) the model yields explicit predictions of both lateral (D‾‖sc) and transdermal (D‾⊥sc) effective (average, homogenized) diffusivities of solutes within the tissue. We present here the mathematical framework for the analysis and a comparison of the predictions with experimental data on desorption of both hydrophilic and lipophilic solutes from human stratum corneum in vitro. Diffusion in the lipid lamellae is found to make the effective diffusivity highly anisotropic, with the predicted ratio D‾‖sc/D‾⊥sc ranging from 34-39 for fully hydrated skin and 150 to more than 1000 for partially hydrated skin. The diffusivities and their ratio are in accord with both experimental data and the results of mathematical analyses performed by others.
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Affiliation(s)
- Junxi Wang
- Goethe Center for Scientific Computing, Kettenhofweg 139, Goethe University, 60325 Frankfurt a.M., Germany
| | - Johannes M Nitsche
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260-4200, USA
| | - Gerald B Kasting
- James L. Winkle College of Pharmacy, University of Cincinnati Academic Health Center, Cincinnati, OH 45267-0514, USA
| | - Gabriel Wittum
- Goethe Center for Scientific Computing, Kettenhofweg 139, Goethe University, 60325 Frankfurt a.M., Germany; King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi-Arabia
| | - Arne Nägel
- Goethe Center for Scientific Computing, Kettenhofweg 139, Goethe University, 60325 Frankfurt a.M., Germany.
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Nitsche JM, Kasting GB. A Framework for Incorporating Transient Solute-Keratin Binding Into Dermal Absorption Models. J Pharm Sci 2022; 111:2093-2106. [DOI: 10.1016/j.xphs.2021.11.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 12/28/2022]
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Morris SAV, Xu L, Ananthapadmanabhan KP, Kasting GB. Surfactant Penetration into Human Skin from Sodium Dodecyl Sulfate and Lauramidopropyl Betaine Mixtures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:14006-14014. [PMID: 34802246 DOI: 10.1021/acs.langmuir.1c01867] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Surfactant mixtures are used in a variety of personal care and cosmetic applications but are known to be harsh on the skin. The purpose of this study was to examine anionic surfactant penetration into human skin from nonideal surfactant mixtures under short-time exposure conditions that are relevant to realistic exposure scenarios. This was done by measuring the penetration of a radiolabeled probe (14C-SDS) into human cadaver skin in Franz diffusion cells in vitro from the mixtures of sodium dodecyl sulfate (SDS) and lauramidopropyl betaine (LAPB). Monomer and micelle concentrations in the SDS/LAPB/14C-SDS mixtures were predicted using a regular solution theory approximation. We confirmed that the mixtures of SDS and LAPB exhibit nonideal behavior with a net attraction between the two surfactants. Penetration of 14C-SDS into excised human skin from the mixtures of SDS and LAPB was found to decrease in a log-linear manner with increasing mole fraction of LAPB in the bulk solution (R2 = 0.97, p < 0.001). Additionally, the penetration of 14C-SDS into excised human skin from the mixtures of SDS and LAPB was found to correlate linearly and strongly with the predicted values of 14C-SDS monomer concentration in SDS/LAPB/14C-SDS mixtures (R2 = 0.95, p < 0.01). 14C-SDS penetration from the mixed surfactant composition could be quantitatively reconciled with that from an SDS-only composition by postulating a secondary, positive contribution from LAPB related to its own penetration and binding to skin components that increased SDS penetration at low concentrations. This research therefore supports a monomer penetration theory of surfactant penetration into the skin, combined with a measurable impact of favorable surfactant interactions within the tissue.
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Affiliation(s)
- Stephanie A V Morris
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0514, United States
| | - Lijing Xu
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0514, United States
| | - K P Ananthapadmanabhan
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0514, United States
| | - Gerald B Kasting
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0514, United States
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7
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Yu F, Tonnis K, Kasting GB, Jaworska J. Computer Simulation of Skin Permeability of Hydrophobic and Hydrophilic Chemicals - Influence of Follicular Pathway. J Pharm Sci 2020; 110:2149-2156. [PMID: 33359309 DOI: 10.1016/j.xphs.2020.12.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/17/2022]
Abstract
A recently published mechanistic skin permeability model (Kasting et al., 2019. J Pharm Sci 108:337-349) that included a follicular diffusion pathway has been extended to describe transient diffusion and finite dose applications. The model follows the disposition of two components, solute and solvent, so that solvent deposition processes can be explicitly represented. Experimentally-calibrated permeability characteristics of the follicular pathway leading to the permeation of highly hydrophilic permeants are further refined. Details of the refinements and a comparison with the earlier model using two large experimental datasets are presented. An example calculation shows the marked difference between the time scales for achievement of near steady-state diffusion for large hydrophilic and lipophilic compounds, with the former being more than 100-fold faster than the latter. However, the true steady state for the hydrophilic compound is not reached until much later due to the very slow filling of the corneocyte phase.
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Affiliation(s)
- Fang Yu
- College of Engineering and Applied Science, The University of Cincinnati, Cincinnati, OH, USA
| | - Kevin Tonnis
- College of Engineering and Applied Science, The University of Cincinnati, Cincinnati, OH, USA
| | - Gerald B Kasting
- The James L. Winkle College of Pharmacy, The University of Cincinnati, Cincinnati, OH, USA.
| | - Joanna Jaworska
- The Procter & Gamble Company, Data and Modeling Sciences, Brussels Innovation Center, Belgium
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Ali R, Mehta P, Arshad MS, Kucuk I, Chang MW, Ahmad Z. Transdermal Microneedles-A Materials Perspective. AAPS PharmSciTech 2019; 21:12. [PMID: 31807980 DOI: 10.1208/s12249-019-1560-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/06/2019] [Indexed: 12/17/2022] Open
Abstract
Transdermal drug delivery is an emerging field in the pharmaceutical remit compared with conventional methods (oral and parenteral). Microneedle (MN)-based devices have gained significant interest as a strategy to overcome the skin's formidable barrier: the stratum corneum. This approach provides a less invasive, more efficient, patient friendly method of drug delivery with the ability to incorporate various therapeutic agents including macromolecules (proteins and peptides), anti-cancer agents and other hydrophilic and hydrophobic compounds. This short review attempts to assess the various materials involved in the fabrication of MNs as well as incorporation of other excipients to improve drug delivery for novel medical devices. The focus will be on polymers, metals and other inorganic materials utilised for MN drug delivery, as well as their application, limitations and future work to be carried out.
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Morris SAV, Ananthapadmanabhan KP, Kasting GB. Anionic Surfactant-Induced Changes in Skin Permeability. J Pharm Sci 2019; 108:3640-3648. [PMID: 31374320 DOI: 10.1016/j.xphs.2019.06.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 06/05/2019] [Accepted: 06/25/2019] [Indexed: 02/07/2023]
Abstract
Anionic surfactants compromise skin's barrier function by damaging stratum corneum lipids and proteins. The objective of this study was to examine anionic surfactant-induced changes in the skin's polar and transcellular pathways and the resulting impact on surfactant penetration into the skin. Three anionic surfactant formulations and one control formulation were each applied to split-thickness human cadaver skin in vitro for 24 h. Electrical conductivity of the skin, determined using a four-terminal resistance method, and water permeation across the skin, determined using a radiolabeled water tracer, were simultaneously measured at several points over the experimental period. Surfactant permeation across the skin was similarly measured using a radiolabeled sodium dodecyl sulfate tracer. Anionic surfactants rapidly enhanced skin electrical conductivity and water permeability in the excised human skin, resulting in nonlinear enhancements in surfactant permeation across the skin over time. Surfactant penetration into the skin was found to increase linearly with increasing surfactant monomer concentration. Surfactant zeta potential was found to correlate well with skin conductivity, water permeation across the skin, and surfactant permeation across the skin, particularly with long surfactant exposures. Micelle charge is a significant predictor of anionic surfactant-induced damage to the human skin, with more highly charged surfactants inducing the most damage.
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Affiliation(s)
- Stephanie A V Morris
- Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0004
| | | | - Gerald B Kasting
- Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio 45267-0004.
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10
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Rac V, Lević S, Balanč B, Olalde Graells B, Bijelić G. PVA Cryogel as model hydrogel for iontophoretic transdermal drug delivery investigations. Comparison with PAA/PVA and PAA/PVP interpenetrating networks. Colloids Surf B Biointerfaces 2019; 180:441-448. [DOI: 10.1016/j.colsurfb.2019.05.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 04/11/2019] [Accepted: 05/07/2019] [Indexed: 12/30/2022]
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11
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Nitsche LC, Kasting GB, Nitsche JM. Microscopic Models of Drug/Chemical Diffusion Through the Skin Barrier: Effects of Diffusional Anisotropy of the Intercellular Lipid. J Pharm Sci 2019; 108:1692-1712. [DOI: 10.1016/j.xphs.2018.11.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 11/07/2018] [Accepted: 11/08/2018] [Indexed: 10/27/2022]
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12
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Kasting GB, Miller MA, LaCount TD, Jaworska J. A Composite Model for the Transport of Hydrophilic and Lipophilic Compounds Across the Skin: Steady-State Behavior. J Pharm Sci 2019; 108:337-349. [DOI: 10.1016/j.xphs.2018.09.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/17/2018] [Accepted: 09/06/2018] [Indexed: 02/06/2023]
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13
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Carbajo JM, Maraver F. Salt water and skin interactions: new lines of evidence. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2018; 62:1345-1360. [PMID: 29675710 DOI: 10.1007/s00484-018-1545-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 04/08/2018] [Accepted: 04/10/2018] [Indexed: 06/08/2023]
Abstract
In Health Resort Medicine, both balneotherapy and thalassotherapy, salt waters and their peloids, or mud products are mainly used to treat rheumatic and skin disorders. These therapeutic agents act jointly via numerous mechanical, thermal, and chemical mechanisms. In this review, we examine a new mechanism of action specific to saline waters. When topically administered, this water rich in sodium and chloride penetrates the skin where it is able to modify cellular osmotic pressure and stimulate nerve receptors in the skin via cell membrane ion channels known as "Piezo" proteins. We describe several models of cutaneous adsorption/desorption and penetration of dissolved ions in mineral waters through the skin (osmosis and cell volume mechanisms in keratinocytes) and examine the role of these resources in stimulating cutaneous nerve receptors. The actions of salt mineral waters are mediated by a mechanism conditioned by the concentration and quality of their salts involving cellular osmosis-mediated activation/inhibition of cell apoptotic or necrotic processes. In turn, this osmotic mechanism modulates the recently described mechanosensitive piezoelectric channels.
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Affiliation(s)
- Jose Manuel Carbajo
- Department of Radiology, Rehabilitation and Physiotherapy, Faculty of Medicine, Universidad Complutense de Madrid, Plaza Ramon y Cajal, s/n, 28040, Madrid, Spain
| | - Francisco Maraver
- Department of Radiology, Rehabilitation and Physiotherapy, Faculty of Medicine, Universidad Complutense de Madrid, Plaza Ramon y Cajal, s/n, 28040, Madrid, Spain.
- Professional School of Medical Hydrology, Faculty of Medicine, Universidad Complutense de Madrid, 28040, Madrid, Spain.
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Yu F, Kasting GB. A geometrical model for diffusion of hydrophilic compounds in human stratum corneum. Math Biosci 2018. [DOI: 10.1016/j.mbs.2018.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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