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dc.contributor.author
Lazzarini Behrmann, Irene Constanza
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Grattieri, Matteo
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Minteer, Shelley D.
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Ramirez, Silvana A.
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Vullo, Diana Lia
dc.date.available
2022-09-12T20:25:58Z
dc.date.issued
2020-04
dc.identifier.citation
Lazzarini Behrmann, Irene Constanza; Grattieri, Matteo; Minteer, Shelley D.; Ramirez, Silvana A.; Vullo, Diana Lia; Online self-powered Cr(VI) monitoring with autochthonous Pseudomonas and a bio-inspired redox polymer; Springer Verlag Berlín; Analytical and Bioanalytical Chemistry; 412; 4-2020; 1-9
dc.identifier.issn
1618-2642
dc.identifier.uri
http://hdl.handle.net/11336/168445
dc.description.abstract
The assessment of water quality is critical to implement preventive and emergency interventions aimed to limit/avoid environmental contamination and human exposure to toxic compounds. While established high-resolution techniques allow quantitative and qualitative determination of contaminants, their widespread application is not feasible due to cost, time, and need for trained personnel. In this context, the development of easy-to-implement approaches for preliminary detection of contaminants is of the utmost importance. Herein, a portable self-powered microbial electrochemical sensor enabling online monitoring of Cr(VI) is reported. The biosensor employs a bio-inspired redox mediating system to allow extracellular electron transfer between a bacterial isolate from chromium-contaminated environments and the electrode, providing a clear response to Cr(VI) presence. The biosensor shows good linearity (R2 = 0.983) and a limit of detection of 2.4 mg L−1 Cr(VI), with a sensitivity of 0.31 ± 0.02 μA cm−2 mgCr(VI)−1 L. The presented microbial bioanode architecture enhanced biosensor performance thanks to the improved “electrical wiring” between biological entities and the abiotic electrode surface. This approach could be easily implemented in engineered electrode surfaces, such as paper-based multi-anodes that maximize bacterial colonization, further improving biosensor response.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer Verlag Berlín
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CR DETECTION
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MICROBIAL FUEL CELL
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ONLINE SENSOR
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PSEUDOMONAS VERONII
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REDOX POLYMER
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SELF-POWERED BIOSENSOR
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Biotecnología Medioambiental
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Biotecnología del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Online self-powered Cr(VI) monitoring with autochthonous Pseudomonas and a bio-inspired redox polymer
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-12T14:21:39Z
dc.journal.volume
412
dc.journal.pagination
1-9
dc.journal.pais
Alemania
dc.journal.ciudad
Berlín
dc.description.fil
Fil: Lazzarini Behrmann, Irene Constanza. Universidad Nacional de General Sarmiento. Instituto de Ciencias. Área de Química; Argentina. University of Utah; Estados Unidos
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Fil: Grattieri, Matteo. University of Utah; Estados Unidos
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Fil: Minteer, Shelley D.. University of Utah; Estados Unidos
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Fil: Ramirez, Silvana A.. Universidad Nacional de General Sarmiento. Instituto de Ciencias. Área de Química; Argentina
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Fil: Vullo, Diana Lia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de General Sarmiento. Instituto de Ciencias. Área de Química; Argentina
dc.journal.title
Analytical and Bioanalytical Chemistry
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00216-020-02620-w
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s00216-020-02620-w
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