Evidence map›Paper›PMID 25521310›Full record

ArticleInorganic chemistry2015

Investigations of the effect of the non-manganese metal in heterometallic-oxido cluster models of the oxygen evolving complex of photosystem II: lanthanides as substitutes for calcium.

Po-Heng Lin, Michael K Takase, Theodor Agapie

Abstract read
In one paragraph

Article in Inorganic chemistry, 2015. 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.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. CaMnAngewandte Chemie (International ed. in English) · 2021
    Article
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  11. Article
  12. Article
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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

3 authors.

Po-Heng LinDivision of Chemistry and Chemical Engineering, California Institute of Technology , Pasadena, California 91125, United States.
Michael K Takase
Theodor Agapie

Funding

Synthetic Models of the Oxygen Evolving Complex of Photosystem IIR01GM102687 · NIGMS · CALIFORNIA INSTITUTE OF TECHNOLOGY · PI AGAPIE, THEODOR · 2013 to 2022
$2.4M
NIGMS NIH HHS R01 GM102687NIGMS NIH HHS R01 GM102687A
6 · The paper itself

Abstract

We report the syntheses and electrochemical properties of nine new clusters ([LLnMn(IV)3O4(OAc)3(DMF)n](+) (Ln = La(3+), Ce(3+), Nd(3+), Eu(3+), Gd(3+), Tb(3+), Dy(3+), Yb(3+), and Lu(3+), n = 2 or 3)) supported by a ligand (L(3-)) based on a 1,3,5-triarylbenzene motif appended with alkoxide and pyridine donors. All complexes were obtained by metal substitution of Ca(2+) with lanthanides upon treatment of previously reported LMn3CaO4(OAc)3(THF) with Ln(OTf)3. Structural characterization confirmed that the clusters contain the [LnMn3O4] cubane motif. The effect of the redox-inactive centers on the electronic properties of the Mn3O4 cores was investigated by cyclic voltammetry. A linear correlation between the redox potential of the cluster and the ionic radii or pKa of the lanthanide metal ion was observed. Chemical reduction of the LMn(IV)3GdO4(OAc)3(DMF)2 cluster with decamethylferrocene, resulted in the formation of LGdMn(IV)2Mn(III)O4(OAc)3(DMF)2, a rare example of mixed-valence [MMn3O4] cubane. The lanthanide-coordinated ligands can be substituted with other donors, including water, the biological substrate.

Indexed as

Benzene DerivativesCalciumElectrochemical TechniquesEvolution, MolecularFerrous CompoundsLanthanoid Series ElementsManganeseOrganometallic CompoundsOxidation-ReductionOxygenPhotosystem II Protein ComplexPyridinesWaterBenzene DerivativesCalciumdecamethylferroceniumFerrous CompoundsLanthanoid Series ElementsManganeseOrganometallic CompoundsOxygenPhotosystem II Protein ComplexPyridinesWater

Identifiers

PMID25521310
PMCPMC4286168

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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.