Evidence map›Paper›PMID 33573020›Full record

ArticlePolymers2021

Dynamic Mechanical Control of Alginate-Fibronectin Hydrogels with Dual Crosslinking: Covalent and Ionic.

Sara Trujillo, Melanie Seow, Aline Lueckgen, Manuel Salmeron-Sanchez, Amaia Cipitria

Open access · goldAbstract read
In one paragraph

Article in Polymers, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
2.0field-weighted citation impact, top 15% of its field
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

12 citing papers in PubMed, 29 citations in OpenAlex.

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  12. Bio-inspired green light crosslinked alginate-heparin hydrogels support HUVEC tube formation.Journal of the mechanical behavior of biomedical materials · 2022
    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

5 authors at 4 institutions in 3 countries.

Sara TrujilloCentre for the Cellular Microenvironment, University of Glasgow, 72-76 Oakfield Avenue, Glasgow G12 8LT, UK.ORCID 0000-0002-5449-3782
Melanie SeowCentre for the Cellular Microenvironment, University of Glasgow, 72-76 Oakfield Avenue, Glasgow G12 8LT, UK.
Aline LueckgenJulius Wolff Institute & Centre for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany.
Manuel Salmeron-SanchezCentre for the Cellular Microenvironment, University of Glasgow, 72-76 Oakfield Avenue, Glasgow G12 8LT, UK.
Amaia CipitriaMax Planck Institute of Colloids and Interfaces, Department of Biomaterials, 14476 Potsdam, Germany.ORCID 0000-0002-9918-1512
Charité - Universitätsmedizin Berlin · DEBiomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine · ESMax Planck Institute of Colloids and Interfaces · DEUniversitat Politècnica de València · ES

Funding

Berlin-Brandenburg School for Regenerative Therapies (BSRT) Extension grant N.A.Deutsche Forschungsgemeinschaft CI 203/1-2Deutsche Forschungsgemeinschaft CI 203/2-1Engineering and Physical Sciences Research Council EP/P001114/1UK Regenerative Medicine Platform "Acellular / Smart Materials - 3D Architecture" MR/R015651/1
6 · The paper itself

Abstract

Alginate is a polysaccharide used extensively in biomedical applications due to its biocompatibility and suitability for hydrogel fabrication using mild reaction chemistries. Though alginate has commonly been crosslinked using divalent cations, covalent crosslinking chemistries have also been developed. Hydrogels with tuneable mechanical properties are required for many biomedical applications to mimic the stiffness of different tissues. Here, we present a strategy to engineer alginate hydrogels with tuneable mechanical properties by covalent crosslinking of a norbornene-modified alginate using ultraviolet (UV)-initiated thiol-ene chemistry. We also demonstrate that the system can be functionalised with cues such as full-length fibronectin and protease-degradable sequences. Finally, we take advantage of alginate's ability to be crosslinked covalently and ionically to design dual crosslinked constructs enabling dynamic control of mechanical properties, with gels that undergo cycles of stiffening-softening by adding and quenching calcium cations. Overall, we present a versatile hydrogel with tuneable and dynamic mechanical properties, and incorporate cell-interactive features such as cell-mediated protease-induced degradability and full-length proteins, which may find applications in a variety of biomedical contexts.

Indexed as

alginate hydrogelcovalent and ionic crosslinkingdual crosslinkingdynamic mechanical propertiesenzymatic degradationfibronectin

Identifiers

PMID33573020
PMCPMC7866402
OpenAlexW3127538136

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.