Evidence map›Paper›PMID 31852948›Full record

ArticleScientific reports2019

Optimization of heterotrophic cultivation of Chlorella sp. HS2 using screening, statistical assessment, and validation.

Hee Su Kim, Won-Kun Park, Bongsoo Lee, Gyeongho Seon, William I Suh, Myounghoon Moon, Yong Keun Chang

Open access · goldAbstract 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 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
1.6field-weighted citation impact, top 17% 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

18 citing papers in PubMed, 64 citations in OpenAlex.

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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

7 authors at 5 institutions in 1 country.

Hee Su KimDepartment of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science & Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
Won-Kun ParkDepartment of Chemistry and Energy Engineering, Sangmyung University, 20 Hongimun 2-gil, Jongno-gu, Seoul, 03016, Republic of Korea.
Bongsoo LeeDepartment of Microbial and Nano Materials, College of Science and Technology, Mokwon University, 88 Doanbuk-ro, Seo-gu, Daejeon, 35349, Republic of Korea.
Gyeongho SeonDepartment of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science & Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
William I SuhAdvanced Biomass R&D Center, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
Myounghoon MoonGwangju Bio/Energy R&D Center, Korea Institute of Energy Research (KIER), Buk-gu, Gwangju, 61003, Republic of Korea. mmoon@kier.re.kr.
Yong Keun ChangDepartment of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science & Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea. ychang@kaist.ac.kr.
Advanced Biomass R&D Center (South Korea) · KRKorea Advanced Institute of Science and Technology · KRKorea Institute of Energy Research · KRMokwon University · KRSangmyung University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The heterotrophic cultivation of microalgae has a number of notable advantages, which include allowing high culture density levels as well as enabling the production of biomass in consistent and predictable quantities. In this study, the full potential of Chlorella sp. HS2 is explored through optimization of the parameters for its heterotrophic cultivation. First, carbon and nitrogen sources were screened in PhotobioBox. Initial screening using the Plackett-Burman design (PBD) was then adopted and the concentrations of the major nutrients (glucose, sodium nitrate, and dipotassium phosphate) were optimized via response surface methodology (RSM) with a central composite design (CCD). Upon validation of the model via flask-scale cultivation, the optimized BG11 medium was found to result in a three-fold improvement in biomass amounts, from 5.85 to 18.13 g/L, in comparison to a non-optimized BG11 medium containing 72 g/L glucose. Scaling up the cultivation to a 5-L fermenter resulted in a greatly improved biomass concentration of 35.3 g/L owing to more efficient oxygenation of the culture. In addition, phosphorus feeding fermentation was employed in an effort to address early depletion of phosphate, and a maximum biomass concentration of 42.95 g/L was achieved, with biomass productivity of 5.37 g/L/D.

Indexed as

BiomassBioreactorsCarbonCell Culture TechniquesChlorellaCulture MediaFermentationHeterotrophic ProcessesMicroalgaeNitrogenPhosphatesPhosphorusPotassium CompoundsCarbonCulture MediaNitrogenPhosphatesPhosphorusPotassium Compoundspotassium phosphate

Identifiers

PMID31852948
PMCPMC6920485
OpenAlexW2996658160

What OpenQuestion holds

Textmetadata
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.