Evidence map›Paper›PMID 33299652›Full record

ArticleACS macro letters2018

Complex Coacervation in Polyelectrolytes from a Coarse-Grained Model.

Marat Andreev, Vivek M Prabhu, Jack F Douglas, Matthew Tirrell, Juan J de Pablo

Abstract read
In one paragraph

Article in ACS macro letters, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Marat AndreevInstitute of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States.ORCID 0000-0003-2362-4177
Vivek M PrabhuNational Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.ORCID 0000-0001-8790-9521
Jack F DouglasNational Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.ORCID 0000-0001-7290-2300
Matthew TirrellInstitute of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States.
Juan J de PabloInstitute of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States.ORCID 0000-0002-3526-516X

Funding

Intramural NIST DOC 9999-NIST
6 · The paper itself

Abstract

Complex coacervation refers to the formation of distinct liquid phases that arise when polyelectrolytes are mixed under appropriate polymer and salt concentrations. Molecular-level studies of coacervation have been limited. In this work, a coarse-grained model of the polymers and the corresponding counterions is proposed and used to simulate coacervation as a function of polymer length and overall salt concentration. Several sampling methods are used to determine the phase behavior of the underlying polymers. In particular, the results of simulations in different ensembles are shown to be consistent and to reproduce a number of phenomena observed in experiments, including the disruption of complexation by increasing ionic strength or by decreasing molecular weight. The coacervate concentrations determined from phase behavior calculations are then used to examine the rheology of the corresponding materials. By relying on long dynamic simulations, we are able to generate the dynamic response of the material in the form of dynamic moduli as a function of frequency, which are also found to compare favorably with experimental measurements.

Identifiers

PMID33299652
PMCPMC7722290

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.