Discover insights from thousands of peer-reviewed papers on microbial electrochemical systems
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Liang Zhang, Xun Zhu, Jun Li et al.
RSC Advances · 2017
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Xuexia Zhang, Yan Yu, Wanju Li et al.
BioResources · 2015
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Krzysztof Mazur, Stanisław Wrona, Anna Chrapońska et al.
Archives of Acoustics · 2019
Lisa Babcock-Jackson, Т. В. Коновалова, Jeremy P. Krogman et al.
Journal of Agricultural and Food Chemistry · 2023
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Wen‐Wei Li, Han‐Qing Yu, Zhen He
Energy Environ. Sci. · 2013
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Yan Yang, Qianyong Shen
Polish Journal of Environmental Studies · 2019
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Rachel C. Wagner, Sikandar Porter-Gill, Bruce E. Logan
AMB Express · 2012
Current-generating (exoelectrogenic) bacteria in bioelectrochemical systems (BESs) may not be culturable using standard in vitro agar-plating techniques, making isolation of new microbes a challenge. More in vivo like conditions are needed where bacteria can be grown and directly isolated on an electrode. While colonies can be developed from single cells on an electrode, the cells must be immobilized after being placed on the surface. Here we present a proof-of-concept immobilization approach that allows exoelectrogenic activity of cells on an electrode based on applying a layer of latex to hold bacteria on surfaces. The effectiveness of this procedure to immobilize particles was first demonstrated using fluorescent microspheres as bacterial analogs. The latex coating was then shown to not substantially affect the exoelectrogenic activity of well-developed anode biofilms in two different systems. A single layer of airbrushed coating did not reduce the voltage produced by a biofilm in a microbial fuel cell (MFC), and more easily applied dip-and-blot coating reduced voltage by only 11% in a microbial electrolysis cell (MEC). This latex immobilization procedure will enable future testing of single cells for exoelectrogenic activity on electrodes in BESs.
Trang Nakamoto, Dung Nakamoto, Kenji Tamenori et al.
E3S Web of Conferences · 2024
Hridoy Roy, Tanzim Ur Rahman, Nishat Tasnim et al.
Membranes · 2023
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M.H. Hasan, T.M.I. Mahlia, M. Mofijur et al.
Energies · 2021
M.H. Hasan, T.M.I. Mahlia, M. Mofijur et al.
Energies · 2021
Okkyoung Choi, Byoung‐In Sang
Biotechnology for Biofuels · 2016
Buddolla Viswanath, Bandi Rajesh, Avilala Janardhan et al.
Enzyme Research · 2014
Carlito da Costa, Hadiyanto Hadiyanto
MATEC Web of Conferences · 2018
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Venkatesh Chaturvedi, Pradeep Verma
Bioresources and Bioprocessing · 2016
Due to a growing world population and increasing welfare, energy demand worldwide is increasing. To meet the increasing energy demand in a sustainable way, new technologies are needed. The Plant-Microbial Fuel Cell (P-MFC) is a technology that could produce sustainable bio-electricity and help meeting the increasing energy demand. Power output of the P-MFC, however, needs to be increased to make it attractive as a renewable and sustainable energy source. To increase power output of the P-MFC internal resistances need to be reduced. With a flat-plate P-MFC design we tried to minimize internal resistances compared to the previously used tubular P-MFC design. With the flat-plate design current and power density per geometric planting area were increased (from 0.15 A/m2 to 1.6 A/m2 and from 0.22 W/m2 to and 0.44 W/m2)as were current and power output per volume (from 7.5 A/m3 to 122 A/m3 and from 1.3 W/m3 to 5.8 W/m3). Internal resistances times volume were decreased, even though internal resistances times membrane surface area were not. Since the membrane in the flat-plate design is placed vertically, membrane surface area per geometric planting area is increased, which allows for lower internal resistances times volume while not decreasing internal resistances times membrane surface area. Anode was split into three different sections on different depths of the system, allowing to calculate internal resistances on different depths. Most electricity was produced where internal resistances were lowest and where most roots were present; in the top section of the system. By measuring electricity production on different depths in the system, electricity production could be linked to root growth. This link offers opportunities for material-reduction in new designs. Concurrent reduction in material use and increase in power output brings the P-MFC a step closer to usable energy density and economic feasibility.
Supriya Gupta, Ashmita Patro, Yamini Mittal et al.
The Science of The Total Environment · 2023
Manar K. Abd Elnabi, Nehal E. Elkaliny, Maha M. Elyazied et al.
Toxics · 2023
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Andrea Schenkmayerová, Gaspar Pinto, Martin Toul et al.
Nature Communications · 2021
Ahmet Fatih Yılmaz
Gazi Üniversitesi Fen Bilimleri Dergisi Part C Tasarım ve Teknoloji · 2025
Marcin Dębowski, Marta Kisielewska, Marcin Zieliński et al.
Applied Sciences · 2026
Microalgal-bacterial consortium is an effective way to meet increasingly stringent standards in wastewater treatment. However, the mechanism of wastewater removal effect has not been properly explained in community structure by phycosphere. And little is known about that the concept of macroecology was introduced into phycosphere to explain the phenomenon. In the study, the algal-bacterial consortia with different ratios of algae and sludge were cultured in same aerobic wastewater within 48 h in photobioreactors (PSBRs). Community structure at start and end was texted by metagenomic analysis. Bray-Curtis similarities analysis based on microbial community showed that there was obvious convergent succession in all consortia, which is well known as "convergence" in macroecology. The result showed that Bray-Curtis similarities at End (overall above 0.88) were higher than these at Start (almost less than 0.66). In terms of community structure, the consortium with 5:1 ratio at Start are the more similar with the consortia at End by which the maximum removal of total dissolved nitrogen (TDN, 73.69%), total dissolved phosphorus (TDP, 94.40%) and NH 3 -N (93.26%) in wastewater treatment process and biomass production (98.2%) higher than other consortia, according with climax community in macroecology with the highest resource utilization than other communities. Therefore, the macroecology can be introduced into phycosphere to explain the consortium for advanced wastewater treatment and optimization community structure. And the study revealed a novel insight into treatment effect and community structure of algal-bacterial consortia for advanced wastewater treatment, a new idea for to shortening the culture time of consortium and optimize predicting their ecological community structure and predicting ecological community.
Sukrampal Yadav, Sunil A. Patil
npj Biofilms and Microbiomes · 2020
Understanding of the extreme microorganisms that possess extracellular electron transfer (EET) capabilities is pivotal to advance electromicrobiology discipline and to develop niche-specific microbial electrochemistry-driven biotechnologies. Here, we report on the microbial electroactive biofilms (EABs) possessing the outward EET capabilities from a haloalkaline environment of the Lonar lake. We used the electrochemical cultivation approach to enrich haloalkaliphilic EABs under 9.5 pH and 20 g/L salinity conditions. The electrodes controlled at 0.2 V vs. Ag/AgCl yielded the best-performing biofilms in terms of maximum bioelectrocatalytic current densities of 548 ± 23 and 437 ± 17 µA/cm 2 with acetate and lactate substrates, respectively. Electrochemical characterization of biofilms revealed the presence of two putative redox-active moieties with the mean formal potentials of 0.183 and 0.333 V vs. Ag/AgCl, which represent the highest values reported to date for the EABs. 16S-rRNA amplicon sequencing of EABs revealed the dominance of unknown Geoalkalibacter sp. at ~80% abundance. Further investigations on the haloalkaliphilic EABs possessing EET components with high formal potentials might offer interesting research prospects in electromicrobiology.
Runping Ye, Jie Ding, Weibo Gong et al.
Nature Communications · 2019
Carbon supported PtCo intermetallic alloys are known to be one of the most promising candidates as low-platinum oxygen reduction reaction electrocatalysts for proton-exchange-membrane fuel cells. Nevertheless, the intrinsic trade-off between particle size and ordering degree of PtCo makes it challenging to simultaneously achieve a high specific activity and a large active surface area. Here, by machine-learning-accelerated screenings from the immense configuration space, we are able to statistically quantify the impact of chemical ordering on thermodynamic stability. We find that introducing of Cu/Ni into PtCo can provide additional stabilization energy by inducing Co-Cu/Ni disorder, thus facilitating the ordering process and achieveing an improved tradeoff between specific activity and active surface area. Guided by the theoretical prediction, the small sized and highly ordered ternary Pt 2 CoCu and Pt 2 CoNi catalysts are experimentally prepared, showing a large electrochemically active surface area of ~90 m 2 g Pt ‒1 and a high specific activity of ~3.5 mA cm ‒2 .