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Naslov:Sequence disorder-induced first order phase transition in confined polyelectrolytes
Avtorji:ID Stepanyan, V. (Avtor)
ID Badasyan, Artem (Avtor)
ID Morozov, V. (Avtor)
ID Mamasakhlisov, Yevgeni S. (Avtor)
ID Podgornik, Rudolf (Avtor)
Datoteke:URL https://pubs.aip.org/aip/jcp/article-pdf/doi/10.1063/5.0228162/20188245/134906_1_5.0228162.pdf
 
URL https://pubs.aip.org/aip/jcp/article-pdf/doi/10.1063/5.0228162/20188245/134906_1_5.0228162.pdf
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:We consider a statistical mechanical model of a generic flexible polyelectrolyte, comprised of identically charged monomers with long-range electrostatic interactions and short-range interactions quantified by a disorder field along the polymer contour sequence, which is randomly quenched. The free energy and the monomer density profile of the system for no electrolyte screening are calculated in the case of a system composed of two infinite planar bounding surfaces with an intervening oppositely charged polyelectrolyte chain. We show that the effect of the contour sequence disorder, mediated by short-range interactions, leads to an enhanced localization of the polyelectrolyte chain and a first order phase transition at a critical value of the inter-surface spacing. This phase transition results in an abrupt change of the pressure from negative to positive values, effectively eliminating polyelectrolyte mediated bridging attraction.
Ključne besede:polyelectrolyte, Anderson localization, Poisson-Boltzmann equation, phase transitions, electrostatics, polyelectrolytes, Edwards equation, nonlinear schrodinger equation, nucleic acids
Status publikacije:Objavljeno
Verzija publikacije:Objavljena publikacija
Datum objave:01.01.2024
Leto izida:2024
Št. strani:str. 1-11
Številčenje:Vol. 161, issue 13, [article no.] 134906
PID:20.500.12556/RUNG-9382-aebf7fae-6375-ec42-ab5d-8c41fb978693 Novo okno
ISSN:0021-9606
COBISS.SI-ID:210190595 Novo okno
UDK:544
ISSN pri članku:0021-9606
eISSN:1089-7690
DOI:10.1063/5.0228162 Novo okno
NUK URN:URN:SI:UNG:REP:WLYCJCQH
Datum objave v RUNG:04.10.2024
Število ogledov:16
Število prenosov:0
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Gradivo je del revije

Naslov:The Journal of chemical physics
Skrajšan naslov:J. chem. phys.
Založnik:American Institute of physics
ISSN:0021-9606
COBISS.SI-ID:5253893 Novo okno

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