Audus, D.
, Ali, S.
, Rumyantsev, A.
, Ma, Y.
, de Pablo, J.
and Prabhu, V.
(2021),
Molecular Mass Dependence of Interfacial Tension in Complex Coacervation, Physical Review Letters, [online], https://doi.org/10.1103/PhysRevLett.126.237801, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=931146
(Accessed December 22, 2024)
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Molecular Mass Dependence of Interfacial Tension in Complex Coacervation
Published
Author(s)
, , Artem Rumyantsev, , Juan J. de Pablo,
Abstract
The interfacial tension of coacervates, the liquidlike phase composed of oppositely charged polymers that coexists at equilibrium with a supernatant, forms the basis for multiple technologies. Here we present a comprehensive set of experiments and molecular dynamics simulations to probe the effect of molecular mass on interfacial tension $\gamma$, far from the critical point, and derive $\gamma = \gamma_\infty (1-h/N)$, where $N$ is the degree of polymerization, $\gamma_\infty$ is the infinite molecular mass limit, and $h$ is a constant that physically corresponds to the number of monomers of one chain within the coacervate correlation volume.Citation
Physical Review Letters
Volume
126
Pub Type
Journals
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Created June 11, 2021, Updated October 14, 2021