Evidence map›Paper›PMID 31406144›Full record

ArticleScientific reports2019

Hydrogels formed by anammox extracellular polymeric substances: structural and mechanical insights.

Tommaso Lotti, Emiliano Carretti, Debora Berti, Costanza Montis, Stefano Del Buffa, Claudio Lubello, Cuijie Feng, Francesca Malpei

Abstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing 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

10 citing papers in PubMed.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Wastewater Valorization: Practice around the World at Pilot- and Full-Scale.International journal of environmental research and public health · 2021
    Review
  7. Review
  8. Article
  9. Article
  10. Article
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

8 authors.

Tommaso LottiDepartment of Civil and Environmental Engineering, Polytechnic University of Milan, Via Golgi 39, 20133, Milan, Italy. tommaso.lotti@unifi.it.ORCID http://orcid.org/0000-0003-0379-4822
Emiliano CarrettiDepartment of Chemistry "Ugo Schiff" & CSGI Consortium, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Florence, Italy.
Debora BertiDepartment of Chemistry "Ugo Schiff" & CSGI Consortium, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Florence, Italy.ORCID http://orcid.org/0000-0001-8967-560X
Costanza MontisDepartment of Chemistry "Ugo Schiff" & CSGI Consortium, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Florence, Italy.ORCID http://orcid.org/0000-0001-6960-3772
Stefano Del BuffaDepartment of Chemistry "Ugo Schiff" & CSGI Consortium, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Florence, Italy.
Claudio LubelloCivil and Environmental Engineering Department, University of Florence, Via di Santa Marta 3, 50139, Florence, Italy.
Cuijie FengDepartment of Civil and Environmental Engineering, Polytechnic University of Milan, Via Golgi 39, 20133, Milan, Italy.
Francesca MalpeiDepartment of Civil and Environmental Engineering, Polytechnic University of Milan, Via Golgi 39, 20133, Milan, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The recovery of biopolymers from the waste sludge produced in wastewater treatments and their application in other industrial sectors, would substantially increase the environmental and economical sustainability of the process, promoting the development of a circular economy. In this study, extracellular polymeric substances (EPS) extracted from anammox granular waste sludge, were investigated and characterized. Rheological and differential scanning calorimetry measurements on EPS aqueous dispersions indicate the formation of an extended 3-D network above a threshold concentration, with a clear dependence of the mechanical and water retention properties on EPS content. The structural characterization, performed with transmission electron microscopy and small angle X-ray scattering, reveals the presence of functional amyloids as putative structural units, observed for the first time in an EPS-based hydrogel. As a proof of concept of the applicative potential, we explored the water and grease resistance provided to paper by an EPS coating. These results shed light on the structural details of EPS-based hydrogels, and pave the way for the possible use of EPS-based materials as a cheap, eco-friendly alternative to commonly adopted paper coatings, in line with a circular economy pattern for wastewater treatment.

Identifiers

PMID31406144
PMCPMC6690907

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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.