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Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells

Microbial fuel cells (MFCs) are bio-electrochemical devices able to directly transduce chemical energy, entrapped in an organic mass named fuel, into electrical energy through the metabolic activity of specific bacteria. During the last years, the employment of bio-electrochemical devices to study t...

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Autores principales: Massaglia, Giulia, Frascella, Francesca, Chiadò, Alessandro, Sacco, Adriano, Marasso, Simone Luigi, Cocuzza, Matteo, Pirri, Candido F., Quaglio, Marzia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7153249/
https://www.ncbi.nlm.nih.gov/pubmed/32183252
http://dx.doi.org/10.3390/nano10030523
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author Massaglia, Giulia
Frascella, Francesca
Chiadò, Alessandro
Sacco, Adriano
Marasso, Simone Luigi
Cocuzza, Matteo
Pirri, Candido F.
Quaglio, Marzia
author_facet Massaglia, Giulia
Frascella, Francesca
Chiadò, Alessandro
Sacco, Adriano
Marasso, Simone Luigi
Cocuzza, Matteo
Pirri, Candido F.
Quaglio, Marzia
author_sort Massaglia, Giulia
collection PubMed
description Microbial fuel cells (MFCs) are bio-electrochemical devices able to directly transduce chemical energy, entrapped in an organic mass named fuel, into electrical energy through the metabolic activity of specific bacteria. During the last years, the employment of bio-electrochemical devices to study the wastewater derived from the food industry has attracted great interest from the scientific community. In the present work, we demonstrate the capability of exoelectrogenic bacteria used in MFCs to catalyze the oxidation reaction of honey, employed as a fuel. With the main aim to increase the proliferation of microorganisms onto the anode, engineered electrodes are proposed. Polymeric nanofibers, based on polyethylene oxide (PEO-NFs), were directly electrospun onto carbon-based material (carbon paper, CP) to obtain an optimized composite anode. The crucial role played by the CP/PEO-NFs anodes was confirmed by the increased proliferation of microorganisms compared to that reached on bare CP anodes, used as a reference material. A parameter named recovered energy (Erec) was introduced to determine the capability of bacteria to oxidize honey and was compared with the Erec obtained when sodium acetate was used as a fuel. CP/PEO-NFs anodes allowed achieving an Erec three times higher than the one reached with a bare carbon-based anode.
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spelling pubmed-71532492020-04-20 Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells Massaglia, Giulia Frascella, Francesca Chiadò, Alessandro Sacco, Adriano Marasso, Simone Luigi Cocuzza, Matteo Pirri, Candido F. Quaglio, Marzia Nanomaterials (Basel) Article Microbial fuel cells (MFCs) are bio-electrochemical devices able to directly transduce chemical energy, entrapped in an organic mass named fuel, into electrical energy through the metabolic activity of specific bacteria. During the last years, the employment of bio-electrochemical devices to study the wastewater derived from the food industry has attracted great interest from the scientific community. In the present work, we demonstrate the capability of exoelectrogenic bacteria used in MFCs to catalyze the oxidation reaction of honey, employed as a fuel. With the main aim to increase the proliferation of microorganisms onto the anode, engineered electrodes are proposed. Polymeric nanofibers, based on polyethylene oxide (PEO-NFs), were directly electrospun onto carbon-based material (carbon paper, CP) to obtain an optimized composite anode. The crucial role played by the CP/PEO-NFs anodes was confirmed by the increased proliferation of microorganisms compared to that reached on bare CP anodes, used as a reference material. A parameter named recovered energy (Erec) was introduced to determine the capability of bacteria to oxidize honey and was compared with the Erec obtained when sodium acetate was used as a fuel. CP/PEO-NFs anodes allowed achieving an Erec three times higher than the one reached with a bare carbon-based anode. MDPI 2020-03-14 /pmc/articles/PMC7153249/ /pubmed/32183252 http://dx.doi.org/10.3390/nano10030523 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Massaglia, Giulia
Frascella, Francesca
Chiadò, Alessandro
Sacco, Adriano
Marasso, Simone Luigi
Cocuzza, Matteo
Pirri, Candido F.
Quaglio, Marzia
Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells
title Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells
title_full Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells
title_fullStr Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells
title_full_unstemmed Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells
title_short Electrospun Nanofibers: from Food to Energy by Engineered Electrodes in Microbial Fuel Cells
title_sort electrospun nanofibers: from food to energy by engineered electrodes in microbial fuel cells
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7153249/
https://www.ncbi.nlm.nih.gov/pubmed/32183252
http://dx.doi.org/10.3390/nano10030523
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