ArticleJournal of the Royal Society, Interface2011
Diamagnetic levitation enhances growth of liquid bacterial cultures by increasing oxygen availability.
Article in Journal of the Royal Society, Interface, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Microbiology of human spaceflight: microbial responses to mechanical forces that impact health and habitat sustainability.Microbiology and molecular biology reviews : MMBR · 2024Review
- Response ofJournal of bacteriology · 2024Article
- Review
- How the adaptation of the human microbiome to harsh space environment can determine the chances of success for a space mission to Mars and beyond.Frontiers in microbiology · 2023Review
- Novel Insights into Microbial Behavior Gleaned Using Microfluidics.Microbes and environments · 2023Review
- Immunity in Space: Prokaryote Adaptations and Immune Response in Microgravity.Life (Basel, Switzerland) · 2021Review
- Comparison of Microgravity Analogs to Spaceflight in Studies of Plant Growth and Development.Frontiers in plant science · 2019Review
- Effects of spaceflight and simulated microgravity on microbial growth and secondary metabolism.Military Medical Research · 2018Review
- Low dose of lipopolysaccharide pretreatment can alleviate the in?ammatory response in wound infection mouse model.Chinese journal of traumatology = Zhonghua chuang shang za zhi · 2016Article
- Article
- The impact of simulated and real microgravity on bone cells and mesenchymal stem cells.BioMed research international · 2014Review
- Meristematic cell proliferation and ribosome biogenesis are decoupled in diamagnetically levitated Arabidopsis seedlings.BMC plant biology · 2013Article
- Ground-based facilities for simulation of microgravity: organism-specific recommendations for their use, and recommended terminology.Astrobiology · 2013Review
- Evaporation rate of water as a function of a magnetic field and field gradient.International journal of molecular sciences · 2012Article
- Effect of magnetically simulated zero-gravity and enhanced gravity on the walk of the common fruitfly.Journal of the Royal Society, Interface · 2012Article
- Microgravity simulation by diamagnetic levitation: effects of a strong gradient magnetic field on the transcriptional profile of Drosophila melanogaster.BMC genomics · 2012Article
- Secondary metabolism in simulated microgravity and space flight.Protein & cell · 2011Article
- Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Diamagnetic levitation is a technique that uses a strong, spatially varying magnetic field to reproduce aspects of weightlessness, on the Earth. We used a superconducting magnet to levitate growing bacterial cultures for up to 18 h, to determine the effect of diamagnetic levitation on all phases of the bacterial growth cycle. We find that diamagnetic levitation increases the rate of population growth in a liquid culture and reduces the sedimentation rate of the cells. Further experiments and microarray gene analysis show that the increase in growth rate is owing to enhanced oxygen availability. We also demonstrate that the magnetic field that levitates the cells also induces convective stirring in the liquid. We present a simple theoretical model, showing how the paramagnetic force on dissolved oxygen can cause convection during the aerobic phases of bacterial growth. We propose that this convection enhances oxygen availability by transporting oxygen around the liquid culture. Since this process results from the strong magnetic field, it is not present in other weightless environments, e.g. in Earth orbit. Hence, these results are of significance and timely to researchers considering the use of diamagnetic levitation to explore effects of weightlessness on living organisms and on physical phenomena.
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