Evidence map›Paper›PMID 27582363›Full record

ArticleNature communications2016

A switchable self-assembling and disassembling chiral system based on a porphyrin-substituted phenylalanine-phenylalanine motif.

Georgios Charalambidis, Evangelos Georgilis, Manas K Panda, Christopher E Anson, Annie K Powell, Stephen Doyle, David Moss, Tobias Jochum, Peter N Horton, Simon J Coles and 8 more

Abstract read
In one paragraph

Article in Nature communications, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing 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

22 citing papers in PubMed.

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  20. Multicomponent peptide assemblies.Chemical Society reviews · 2018
    Review
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

18 authors.

Georgios CharalambidisDepartment of Chemistry, Bioinorganic Chemistry Laboratory, University of Crete, Vassilika Vouton, Heraklion, 70013 Crete, Greece.ORCID 0000-0003-1237-9962
Evangelos GeorgilisDepartment of Materials Science and Technology, University of Crete, Vassilika Vouton, Heraklion, 70013 Crete, Greece.
Manas K PandaDepartment of Chemistry, Bioinorganic Chemistry Laboratory, University of Crete, Vassilika Vouton, Heraklion, 70013 Crete, Greece.ORCID 0000-0002-6297-2070
Christopher E AnsonKarlsruhe Institute of Technology (KIT), Institute of Inorganic Chemistry, Engesserstrasse 15, D-76131 Karlsruhe, Germany.
Annie K PowellKarlsruhe Institute of Technology (KIT), Institute of Inorganic Chemistry, Engesserstrasse 15, D-76131 Karlsruhe, Germany.ORCID 0000-0003-3944-7427
Stephen DoyleKarlsruhe Institute of Technology, Institute for Synchrotron Radiation and ANKA, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany.
David MossKarlsruhe Institute of Technology, Institute for Synchrotron Radiation and ANKA, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany.
Tobias JochumKarlsruhe Institute of Technology, Institute for Synchrotron Radiation and ANKA, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany.
Peter N HortonSchool of Chemistry, EPSRC National Crystallography Service, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
Simon J ColesSchool of Chemistry, EPSRC National Crystallography Service, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
Mathieu LinaresDepartment of Physics, Chemistry and Biology, Linköping University, SE-581 83 Linköping, Sweden.
David BeljonneDépartement de Chimie, Chimie des Matériaux Nouveaux and Centre d'Innovation et de Recherche en Matériaux Polymères, Université de Mons-UMONS/Materia Nova, Place du Parc, 20, B-7000 Mons, Belgium.
Jean-Valère NaubronAix Marseille Université, CNRS FR 1739, Spectropole, Avenue Escadrille Normandie Niemen, F-13397 Marseille, France.
Jonas ConradtKarlsruhe Institute of Technology (KIT), Institute of Applied Physics and Center for Functional Nanostructures (CFN), D-76131 Karlsruhe, Germany.
Heinz KaltKarlsruhe Institute of Technology (KIT), Institute of Applied Physics and Center for Functional Nanostructures (CFN), D-76131 Karlsruhe, Germany.ORCID 0000-0002-3698-1512
Anna MitrakiDepartment of Materials Science and Technology, University of Crete, Vassilika Vouton, Heraklion, 70013 Crete, Greece.
Athanassios G CoutsolelosDepartment of Chemistry, Bioinorganic Chemistry Laboratory, University of Crete, Vassilika Vouton, Heraklion, 70013 Crete, Greece.
Teodor Silviu BalabanAix Marseille Univ, CNRS, Centrale Marseille, Institut des Sciences Moléculaires de Marseille (iSm2), UMR 7313, Chirosciences, Avenue Escadrille Normandie Niemen, Service 442, F-13397 Marseille, France.ORCID 0000-0003-4614-2461

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Artificial light-harvesting systems have until now not been able to self-assemble into structures with a large photon capture cross-section that upon a stimulus reversibly can switch into an inactive state. Here we describe a simple and robust FLFL-dipeptide construct to which a meso-tetraphenylporphyrin has been appended and which self-assembles to fibrils, platelets or nanospheres depending on the solvent composition. The fibrils, functioning as quenched antennas, give intense excitonic couplets in the electronic circular dichroism spectra which are mirror imaged if the unnatural FDFD-analogue is used. By slightly increasing the solvent polarity, these light-harvesting fibres disassemble to spherical structures with silent electronic circular dichroism spectra but which fluoresce. Upon further dilution with the nonpolar solvent, the intense Cotton effects are recovered, thus proving a reversible switching. A single crystal X-ray structure shows a head-to-head arrangement of porphyrins that explains both their excitonic coupling and quenched fluorescence.

Identifiers

PMID27582363
PMCPMC5025786

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