Effect of some operational conditions on bioelectricity production in algal fuel cell

Adenigba, Victoria Olaide; Oloke, Julius Kola; Omomowo, Iyabo Olunike; Odjadjare, Collins Ejovwokoghene; Oluyide, Oluwabusayo Odunola; Ogunsona, Seun Barnabas

doi:10.1504/ijret.2020.10028124

Cited by 1 publication

(1 citation statement)

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“…Biophotovoltaics is a specific type of electrochemical technology in which phototrophic microorganisms produce electricity by utilizing incoming light energy to split water molecules, generating electrons and protons that can be used to produce an electrical current within an MFC. Several cyanobacteria species have been tested for use in biophotovoltaics, such as Synechocystis 138 , 139 , Nostoc 140 , 141 , Lyngbya 142 , 143 , and Leptolyngbia 144 , 145 . Kaushik et al tested the energy producing capabilities of Synechococcus using a two-chamber photosynthetic MFC built with light transparent glass 146 .…”

Section: Biological In Situ Resource Utilization For Sustainabilitymentioning

confidence: 99%

Microbial applications for sustainable space exploration beyond low Earth orbit

Koehle,

Brumwell,

Seto

et al. 2023

npj Microgravity

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With the construction of the International Space Station, humans have been continuously living and working in space for 22 years. Microbial studies in space and other extreme environments on Earth have shown the ability for bacteria and fungi to adapt and change compared to “normal” conditions. Some of these changes, like biofilm formation, can impact astronaut health and spacecraft integrity in a negative way, while others, such as a propensity for plastic degradation, can promote self-sufficiency and sustainability in space. With the next era of space exploration upon us, which will see crewed missions to the Moon and Mars in the next 10 years, incorporating microbiology research into planning, decision-making, and mission design will be paramount to ensuring success of these long-duration missions. These can include astronaut microbiome studies to protect against infections, immune system dysfunction and bone deterioration, or biological in situ resource utilization (bISRU) studies that incorporate microbes to act as radiation shields, create electricity and establish robust plant habitats for fresh food and recycling of waste. In this review, information will be presented on the beneficial use of microbes in bioregenerative life support systems, their applicability to bISRU, and their capability to be genetically engineered for biotechnological space applications. In addition, we discuss the negative effect microbes and microbial communities may have on long-duration space travel and provide mitigation strategies to reduce their impact. Utilizing the benefits of microbes, while understanding their limitations, will help us explore deeper into space and develop sustainable human habitats on the Moon, Mars and beyond.

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