Evidence map›Paper›PMID 34362414›Full record

ArticleBiotechnology for biofuels2021

Enhancement of biohydrogen production rate in Rhodospirillum rubrum by a dynamic CO-feeding strategy using dark fermentation.

Alberto Rodríguez, Natalia Hernández-Herreros, José L García, M Auxiliadora Prieto

Abstract read
In one paragraph

Article in Biotechnology for biofuels, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 citing papers in PubMed.

  1. Review
  2. Article
  3. Evaluation of lab-defined syngas and acetate as substrates for HApplied microbiology and biotechnology · 2025
    Article
  4. Review
  5. Growth ofFrontiers in bioengineering and biotechnology · 2025
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. 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

4 authors.

Alberto RodríguezInterdisciplinary Platform for Sustainable Plastics towards a Circular Economy-of the Spanish National Research Council (SusPlast-CSIC), Madrid, Spain.
Natalia Hernández-HerrerosInterdisciplinary Platform for Sustainable Plastics towards a Circular Economy-of the Spanish National Research Council (SusPlast-CSIC), Madrid, Spain.
José L GarcíaInterdisciplinary Platform for Sustainable Plastics towards a Circular Economy-of the Spanish National Research Council (SusPlast-CSIC), Madrid, Spain.
M Auxiliadora PrietoInterdisciplinary Platform for Sustainable Plastics towards a Circular Economy-of the Spanish National Research Council (SusPlast-CSIC), Madrid, Spain. auxi@cib.csic.es.ORCID http://orcid.org/0000-0002-8038-1223

Funding

Horizon 2020 Framework Programme 679050Ministerio de Ciencia, Innovación y Universidades BIO2017-83448-R
6 · The paper itself

Abstract

backgroundRhodospirillum rubrum is a purple non-sulphur bacterium that produces H

resultsThe study of the influence of the stirring and the initial CO partial pressure (p

conclusionsDark fermentation in R. rubrum expands the ways to produce biohydrogen from CO. This work optimizes this bioprocess at lab-bioreactor scale studying the influence of the stirring speed, the initial CO partial pressure and the operation in batch and fed-batch regimes. Dynamic CO supply adapted to the biomass growth enhances the productivity reached in darkness by other strategies described in the literature, being similar to that obtained under light continuous syngas fermentations. The kinetic model proposed describes all the conditions tested.

Indexed as

Dark fermentationHydrogenKinetic modelRhodospirillum rubrumSyngas

Identifiers

PMID34362414
PMCPMC8343937

What OpenQuestion holds

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LicenceCC BY
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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.