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On the role of electrostatic repulsion in topological defect-driven membrane fission
ID Gongadze, Ekaterina (Author), ID Mesarec, Luka (Author), ID Kralj, Samo (Author), ID Kralj-Iglič, Veronika (Author), ID Iglič, Aleš (Author)

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Abstract
Within a modified Langevin Poisson–Boltzmann model of electric double layers, we derived an analytical expression for osmotic pressure between two charged surfaces. The orientational ordering of the water dipoles as well as the space dependencies of electric potentials, electric fields, and osmotic pressure between two charged spheres were taken into account in the model. Thus, we were able to capture the interaction between the parent cell and connected daughter vesicle or the interactions between neighbouring beads in necklace-like membrane protrusions. The predicted repulsion between them can facilitate the topological antidefect-driven fission of membrane daughter vesicles and the fission of beads of undulated membrane protrusions.

Language:English
Keywords:fission of vesicles, electric double layer, osmotic pressure, orientational ordering of water dipoles, topological defects
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FE - Faculty of Electrical Engineering
ZF - Faculty of Health Sciences
MF - Faculty of Medicine
Publication status:Published
Publication version:Version of Record
Year:2021
Number of pages:13 str.
Numbering:Vol. 11, iss. 11, art. 812
PID:20.500.12556/RUL-136439 This link opens in a new window
UDC:577
ISSN on article:2077-0375
DOI:10.3390/membranes11110812 This link opens in a new window
COBISS.SI-ID:82459139 This link opens in a new window
Publication date in RUL:04.05.2022
Views:452
Downloads:87
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Record is a part of a journal

Title:Membranes
Shortened title:Membranes
Publisher:MDPI
ISSN:2077-0375
COBISS.SI-ID:519125529 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:01.11.2021

Secondary language

Language:Slovenian
Keywords:cepitev veziklov, električni dvojni sloj, osmotski tlak, orientacijska urejenost vodnih dipolov, topološki defekti

Projects

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:P2-0232
Name:Funkcije in tehnologije kompleksnih sistemov

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:J3-2533
Name:Novi postopki obdelave biomimetičnih vaskularnih vsadkov

Funder:EC - European Commission
Funding programme:H2020
Project number:801338
Name:Extracellular vesicles from a natural source for tailor-made nanomaterials
Acronym:VES4US

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