Metal Ions Influence on Shewanella Oneidensis MR-1 Adhesion to ITO Electrode and Enhancement Current Output

Alshahrani, Aisha A.; Fitch, Alanah; Al-Bazi, John

doi:10.1149/ma2020-01472690mtgabs

Cited by 3 publications

(4 citation statements)

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“…It was reported that S. oneidensis MR-1 owned a special resistance to AgNPs compared with E. coli. 41 It was reported that S. oneidensis MR-1 grew well when treated with 207 mg L −1 Pb 2+ or 112 mg L −1 Cd 2+ , 88 in which concentrations the E. coli could not survive. 89 The effective bioreduction of Ag + in and around the bacteria might clarify why S. oneidensis MR-1 lived well under 215 μg L −1 Ag + , in which concentration E. coli could not survive and accumulate less Ag inside the cells as reported in a previous work.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

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Biotic Process Dominated the Uptake and Transformation of Ag⁺ by Shewanella oneidensis MR-1

Huang

Wang

et al. 2022

Environ. Sci. Technol.

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Silver ions (Ag+) directly emitted from industrial sources or released from manufactured Ag nanoparticles (AgNPs) in biosolid-amended soils have raised concern about the risk to ecosystems. However, our knowledge of Ag+ toxicity, internalization, and transformation mechanisms to bacteria is still insufficient. Here, we combine the advanced technologies of hyperspectral imaging (HSI) and single-particle inductively coupled plasma mass spectrometry to visualize the potential formed AgNPs inside the bacteria and evaluate the contributions of biological and non-biological processes in the uptake and transformation of Ag+ by Shewanella oneidensis MR-1. The results showed a dose-dependent toxicity of Ag+ to S. oneidensis MR-1 in the ferrihydrite bioreduction process, which was primarily induced by the actively internalized Ag. Moreover, both HSI and cross-section high-resolution transmission electron microscopy results confirmed that Ag inside the bacteria existed in the form of particulate. The Ag mass distribution in and around live and inactivated cells demonstrated that the uptake and transformation of Ag+ by S. oneidensis MR-1 were mainly via biological process. The bioaccumulation of Ag+ may be lethal to bacteria. A better understanding of the uptake and transformation of Ag+ in bacteria is central to predict and monitor the key factors that control Ag partitioning dynamics at the biointerface, which is critical to develop practical risk assessment and mitigation strategies.

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Section: ■ Results and Discussionmentioning

confidence: 99%

“…It was reported that S. oneidensis MR-1 grew well when treated with 207 mg L –1 Pb 2+ or 112 mg L –1 Cd 2+ , in which concentrations the E. coli could not survive .…”

Section: Results and Discussionmentioning

confidence: 99%

Biotic Process Dominated the Uptake and Transformation of Ag⁺ by Shewanella oneidensis MR-1

Huang

Wang

et al. 2022

Environ. Sci. Technol.

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“…More riboflavin production able reach when micronutrient added. In this research use metal ions in microgram per liter as micronutrient [17]. Microbial Fuel Cells have been much research and developed with various substrates, bacteria, electrodes, electrode modifications, chamber variations, etc.…”

Section: Power Densitymentioning

confidence: 99%

MFC Performance with Additional Micronutrients in Food Waste Substrate

Fitria Nur Laily,

Sri Rachmania Juliastuti,

Raden Darmawan

2024

ARFMTS

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Microbial Fuel Cell (MFC) are the one of utilization of waste for renewable energy continues to be developed. According to the FAO, 32% of all food for human consumption is discarded about 1.3 billion tonnes per year. In this study, Microbial Fuel Cells used an organic source in the form of food waste that had been hydrolyzed by Aspergillus oryzae, Aspergillus aculeatus, and Candida rugosa. The results of the hydrolysis are entered into the MFC system. In the MFC system it is mixed with Sidoarjo mud and Shewanella oneidensis MR-1, then put into a Single Chamber microbial fuel cell (SC-MFC) to generate electricity. In this research, also added micronutrients (Mg2+, Ni2+, Cu2+, Ca2+, Pb2+, Co2+, Cd2+, Cr2+, and Zn2+) to increase the metabolic of Shewanella oneidensis MR-1 bacteria, so can elevate electric currents. electrons and protons are produced by microorganisms by changing organic compounds in the substrate. The results showed that the best power density was 6.652 W/m2 with BOD 89.362% and COD removal 77.273% achieved with a ratio of food waste to water of 2:1 M. Food hydrolysis is capable of hydrolyzing 40% food waste into glucose within 24 hours. The greatest percentage of glucose decreased was achieved by Cobalt micronutrient addition with 77% of glucose decreased. Therefore, MFC can be greatly enhance food waste degradation to become a carbon source in a microbial fuel cell for electricity production.

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“…Efficiency in MFCs is determined for the energy content from substrates 15 . Microorganisms in the anode catalyze the substrate (electron donors) for the utilization by extracellular metabolism to the electrode surface 16–18 . MFCs are composed of anode and cathode with electrodes such as carbon felt, graphite, carbon cloth, and so on, and a proton exchange membrane (PEM) that separates anode and cathode.…”

Section: Introductionmentioning

confidence: 99%

Investigation of heavy metal removal from salty wastewater and voltage production using Shewanella oneidensisMR‐1 nanowires in a dual‐chamber microbial fuel cell

Munoz‐Cupa

Bassi

2023

Env Prog and Sustain Energy

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Heavy metal removal and simultaneous energy production were studied using a dual chambered Microbial Fuel Cell inoculated with Shewanella oneidensis MR‐1 in the anode. Synthetic wastewater was prepared with Cu (II), Mg (II), Mn (II), Zn (II), Na, and Phenol based on desalter effluent from refinery processes at different metal concentrations. In this study, a maximum open‐circuit voltage of 517.6 mV was reached at Conc. 5 with wastewater in the anode chamber, and 127.7 mV at Conc. 3 was produced with synthetic wastewater in the cathode chamber. Moreover, μ at Conc. 5 was 0.1133 h−1, demonstrating bacterial growth under metal and phenol concentrations. The highest metal removal in the anode for Cu (II), Mg (II), Mn (II), Zn (II), and Na was 93%, 85%, 93%, 88%, and 36%, respectively. In the cathode chamber the removal of Cu (II), Mg (II), Mn (II), Zn (II), and Na was 98%, 49%, 57%, 59%, and 36%, respectively. During the operation in the anode, SEM images showed that the bacterial nanowires are formed in response to toxic and anaerobic environments which contribute to the bacterial growth. These nanowires increased the metal removal and the voltage production as a consequence of a higher electron rate from the anode to the cathode due to the higher extracellular membrane surface area. S. oneidensis is a bacterium with metal‐reducing characteristics, and it is suitable for metal removal and electron transport from carbon sources, demonstrated in voltage production with microbial fuel cells.

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Metal Ions Influence on Shewanella Oneidensis MR-1 Adhesion to ITO Electrode and Enhancement Current Output

Cited by 3 publications

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Biotic Process Dominated the Uptake and Transformation of Ag⁺ by Shewanella oneidensis MR-1

Biotic Process Dominated the Uptake and Transformation of Ag⁺ by Shewanella oneidensis MR-1

MFC Performance with Additional Micronutrients in Food Waste Substrate

Investigation of heavy metal removal from salty wastewater and voltage production using Shewanella oneidensisMR‐1 nanowires in a dual‐chamber microbial fuel cell

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Metal Ions Influence on Shewanella Oneidensis MR-1 Adhesion to ITO Electrode and Enhancement Current Output

Cited by 3 publications

References 0 publications

Biotic Process Dominated the Uptake and Transformation of Ag+ by Shewanella oneidensis MR-1

Biotic Process Dominated the Uptake and Transformation of Ag+ by Shewanella oneidensis MR-1

MFC Performance with Additional Micronutrients in Food Waste Substrate

Investigation of heavy metal removal from salty wastewater and voltage production using Shewanella oneidensisMR‐1 nanowires in a dual‐chamber microbial fuel cell

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Biotic Process Dominated the Uptake and Transformation of Ag⁺ by Shewanella oneidensis MR-1

Biotic Process Dominated the Uptake and Transformation of Ag⁺ by Shewanella oneidensis MR-1