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Artículo

Characterization of a new composite membrane for point of need paper-based micro-scale microbial fuel cell analytical devices

Gonzalez Pabon, Maria JesusIcon ; Figueredo, FedericoIcon ; Martínez Casillas, Diana CristinaIcon ; Corton, EduardoIcon
Fecha de publicación: 30/09/2019
Editorial: Public Library of Science
Revista: Plos One
ISSN: 1932-6203
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ciencias de la Computación

Resumen

Microbial fuel cells (MFCs) can evolve in a viable technology if environmentally sound materials are developed and became available at low cost for these devices. This is especially important not only for the designing of large wastewater treatment systems, but also for the fabrication of low-cost, single-use devices. In this work we synthesized membranes by a simple procedure involving easily-biodegradable and economic materials such as poly (vinyl alcohol) (PVA), chitosan (CS) and the composite PVA:CS. Membranes were chemical and physically characterized and compared to Nafion®. Performance was studied using the membrane as separator in a typical H-Type MFCs showing that PVA:CS membrane outperform Nafion® 4 times (power production) while being 75 times more economic. We found that performance in MFC depends over interactions among several membrane characteristics such as oxygen permeability and ion conductivity. Moreover, we design a paper-based micro-scale MFC, which was used as a toxicity assay using 16 µL samples containing formaldehyde as a model toxicant. The PVA:CS membrane presented here can offer low environmental impact and become a very interesting option for point of need single-use analytical devices, especially in low-income countries where burning is used as disposal method, and toxic fluoride fumes (from Nafion®) can be released to the environment.
Palabras clave: LOW COST MICROBIAL FUEL CELL MEMBRANE , OXYGEN PERMEABILITY , PAPER-BASED ANALYTICAL DEVICE , PEM SUBSTITUTE , TOXICITY SENSOR , WATER ANALYSIS
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution 2.5 Unported (CC BY 2.5)
Identificadores
URI: http://hdl.handle.net/11336/147360
DOI: http://dx.doi.org/10.1371/journal.pone.0222538
URL: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0222538
Colecciones
Articulos(ICT - MILSTEIN)
Articulos de INST.DE CS. Y TECNOLOGIA "DR. CESAR MILSTEIN"
Articulos(IQUIBICEN)
Articulos de INSTITUTO DE QUIMICA BIOLOGICA DE LA FACULTAD DE CS. EXACTAS Y NATURALES
Citación
Gonzalez Pabon, Maria Jesus; Figueredo, Federico; Martínez Casillas, Diana Cristina; Corton, Eduardo; Characterization of a new composite membrane for point of need paper-based micro-scale microbial fuel cell analytical devices; Public Library of Science; Plos One; 14; 9; 30-9-2019; 1-22
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