Adsorption and Permeation Events in Molecular Diffusion
How many times can a diffusing molecule permeate across a membrane or be adsorbed on a substrate? We employ an encounter-based approach to find the statistics of adsorption or permeation events for molecular diffusion in a general confining medium. Various features of these statistics are illustrate...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-10-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/29/21/5012 |
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| _version_ | 1846173304918900736 |
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| author | Denis S. Grebenkov |
| author_facet | Denis S. Grebenkov |
| author_sort | Denis S. Grebenkov |
| collection | DOAJ |
| description | How many times can a diffusing molecule permeate across a membrane or be adsorbed on a substrate? We employ an encounter-based approach to find the statistics of adsorption or permeation events for molecular diffusion in a general confining medium. Various features of these statistics are illustrated for two practically relevant cases: a flat boundary and a spherical confinement. Some applications of these fundamental results are discussed. |
| format | Article |
| id | doaj-art-4a517b9b1adc4d1ea8fd2e5ad7523280 |
| institution | Kabale University |
| issn | 1420-3049 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj-art-4a517b9b1adc4d1ea8fd2e5ad75232802024-11-08T14:38:03ZengMDPI AGMolecules1420-30492024-10-012921501210.3390/molecules29215012Adsorption and Permeation Events in Molecular DiffusionDenis S. Grebenkov0CNRS – Université de Montréal CRM—CNRS, 6128 Succ Centre-Ville, Montréal, QC H3C 3J7, CanadaHow many times can a diffusing molecule permeate across a membrane or be adsorbed on a substrate? We employ an encounter-based approach to find the statistics of adsorption or permeation events for molecular diffusion in a general confining medium. Various features of these statistics are illustrated for two practically relevant cases: a flat boundary and a spherical confinement. Some applications of these fundamental results are discussed.https://www.mdpi.com/1420-3049/29/21/5012diffusionsurface reactionpermeationheterogeneous catalysisconfinementgeometric complexity |
| spellingShingle | Denis S. Grebenkov Adsorption and Permeation Events in Molecular Diffusion Molecules diffusion surface reaction permeation heterogeneous catalysis confinement geometric complexity |
| title | Adsorption and Permeation Events in Molecular Diffusion |
| title_full | Adsorption and Permeation Events in Molecular Diffusion |
| title_fullStr | Adsorption and Permeation Events in Molecular Diffusion |
| title_full_unstemmed | Adsorption and Permeation Events in Molecular Diffusion |
| title_short | Adsorption and Permeation Events in Molecular Diffusion |
| title_sort | adsorption and permeation events in molecular diffusion |
| topic | diffusion surface reaction permeation heterogeneous catalysis confinement geometric complexity |
| url | https://www.mdpi.com/1420-3049/29/21/5012 |
| work_keys_str_mv | AT denissgrebenkov adsorptionandpermeationeventsinmoleculardiffusion |