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  Self-Diffusion in Cell Membranes in the Long Time Regime

Loskutov, V. V., & Petrov, E. P. (2014). Self-Diffusion in Cell Membranes in the Long Time Regime. APPLIED MAGNETIC RESONANCE, 45(12), 1389-1403. doi:10.1007/s00723-014-0595-6.

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Loskutov, Valentin V.1, Autor
Petrov, Eugene P.2, Autor           
Affiliations:
1external, ou_persistent22              
2Schwille, Petra / Cellular and Molecular Biophysics, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565169              

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Schlagwörter: FIELD GRADIENT NMR; FLUORESCENCE CORRELATION SPECTROSCOPY; MONTE-CARLO-SIMULATION; POROUS-MEDIA; PHASE-SEPARATION; LIPID-MEMBRANES; COEFFICIENT; WATER; SUBDIFFUSION; MOLECULESPhysics; Spectroscopy;
 Zusammenfassung: We consider the process of self-diffusion in the cellular structure in the presence of permeable barriers in long time regime. Based on the most general concepts of the translation mobility and geometry of a heterogeneous system, an expression for the self-diffusion coefficient of liquid molecules in such a medium in a long time regime was derived. We have shown that the value of the self-diffusion coefficient in the long-time limit is determined by the probability of interaction of the diffusant molecule with an obstacle. We obtained an expression for the probability of such interaction as a function of the surface-to-volume ratio (S/V). Comparing the obtained analytical expression with the results of computer simulation was performed. Shown the exponential dependence of the self-diffusion coefficient on the barrier pinning density.

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Sprache(n): eng - English
 Datum: 2014-12
 Publikationsstatus: Erschienen
 Seiten: 15
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: ISI: 000345331200008
DOI: 10.1007/s00723-014-0595-6
 Art des Abschluß: -

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Titel: APPLIED MAGNETIC RESONANCE
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA : SPRINGER WIEN
Seiten: - Band / Heft: 45 (12) Artikelnummer: - Start- / Endseite: 1389 - 1403 Identifikator: ISSN: 0937-9347