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13 p, 1.4 MB |
Improved biosensing of Legionella by integrating filtration and immunomagnetic separation of the bacteria retained in filters
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Mesas Gómez, Melania (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Molina-Moya, Barbara (Institut Germans Trias i Pujol) ;
de Araújo, Bárbara Camila (Universidade Estadual Paulista. Department of Analytical Chemistry) ;
Boldrin Zanoni, Maria Valnice (Universidade Estadual Paulista. Department of Analytical Chemistry) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Domínguez, José (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Pividori, María Isabel (Universitat Autònoma de Barcelona. Departament de Química)
A novel approach is presented that combines filtration and the direct immunomagnetic separation of the retained bacteria Legionella in filters, for further electrochemical immunosensing. This strategy allows for the separation and preconcentration of the water-borne pathogen from high-volume samples, up to 1000 mL. [...]
2024 -  10.1007/s00604-023-06122-1
Mikrochimica acta, Vol. 191, Issue 2 (February 2024) , art. 82
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26 p, 1.4 MB |
Drastic effect of the peptide sequence on the copper-binding properties of tripeptides and the electrochemical behaviour of their copper(II) complexes
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Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ;
Mirats Arce, Andrea (Universitat Autònoma de Barcelona. Departament de Química) ;
Caballero, Ana B (Universitat Autònoma de Barcelona. Departament de Química) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ;
Barrios, Leoní A. (Universitat de Barcelona. Departament de Química Inorgànica i Orgànica) ;
Teat, Simon J. (Lawrence Berkeley National Laboratory. Advanced Light Source) ;
Rodríguez Santiago, Luis (Universitat Autònoma de Barcelona. Departament de Química) ;
Sodupe Roure, Mariona (Universitat Autònoma de Barcelona. Departament de Química) ;
Gámez Enamorado, Patrick (Universitat de Barcelona. Departament de Química Inorgànica i Orgànica)
The binding and electrochemical properties of the complexes CuII-HAH, CuII-HWH, CuII-Ac-HWH, CuII-HHW, and CuII-WHH have been studied by using NMR and UV/Vis spectroscopies, CV, and density functional calculations. [...]
2018 - 10.1002/chem.201704623
Chemistry, Vol. 24, issue 20 (April 2018) , p. 5153-5162
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24 p, 1.4 MB |
Electrocarboxylation of halobenzonitriles : An environmentally friendly synthesis of phthalate derivatives
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Reche Pérez, Irene (Universitat Autònoma de Barcelona. Departament de Química) ;
Mena Fernández, Silvia (Universitat Autònoma de Barcelona. Departament de Química) ;
Gallardo, Iluminada (Universitat Autònoma de Barcelona. Departament de Química) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
This manuscript presents an efficient approach for producing high valuable compounds using CO2 as building block. The methodology employed is based on electrochemical techniques, which allow performing eco-friendly chemistry solutions and maintaining the aim of offering a potential long-term strategy for reducing the CO2 emissions in the atmosphere, while obtaining useful compounds, such as aromatic acids and phthalate derivatives. [...]
2019 - 10.1016/j.electacta.2019.134576
Electrochimica acta, Vol. 320 (October 2019) , art. 134576
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25 p, 1.1 MB |
Enhanced electrochemical response of carbon quantum dot modified electrodes
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Algarra, Manuel (Universidad de Málaga. Departamento de Química Inorgánica, Cristalografía y Mineralogía) ;
González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ;
Radotić, Ksenija (University of Belgrade. Institute for Multidisciplinary Research) ;
Mutavdzic, D. (University of Belgrade. Institute for Multidisciplinary Research) ;
Ania, Conchi (Centre national de la recherche scientifique. Conditions Extrêmes et Matériaux: Haute Température et Irradiation) ;
Lázaro-Martínez, Juan Manuel M. (Universidad de Buenos Aires. Departamento de Química Orgánica) ;
Jiménez-Jiménez, José (Universidad de Málaga. Departamento de Química Inorgánica, Cristalografía y Mineralogía) ;
Rodríguez-Castellón, Enrique (Universidad de Málaga. Departamento de Química Inorgánica, Cristalografía y Mineralogía) ;
Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
A glassy carbon electrode (GCE) was surface-modified with carbon quantum dots (CQDs) and applied for the effective enhancement of the electrochemical signal for dopamine and uric acid determination. CQDs were prepared from graphite by a green modification of the Hummers method. [...]
2018 - 10.1016/j.talanta.2017.09.082
Talanta, Vol. 178 (Feb. 2018) , p. 679-685
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21 p, 861.0 KB |
Array of peptide-modified electrodes for the simultaneous determination of Pb(II), Cd(II) and Zn(II)
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Serrano i Plana, Núria (Universitat de Barcelona. Departament de Química Analítica) ;
Prieto-Simón, Beatriz (Universitat Autònoma de Barcelona. Departament de Química) ;
Cetó Alsedà, Xavier (Universitat Autònoma de Barcelona. Departament de Química) ;
Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This paper reports the development of three peptide modified sensors in which glutathione (GSH) and its fragments Cys-Gly and γ-Glu-Cys were immobilized respectively through aryl diazonium electrochemical grafting onto the surface of graphite-epoxy composite electrodes (GEC), and used for the simultaneous determination of Cd(II), Pb(II) and Zn(II). [...]
2014 - 10.1016/j.talanta.2014.02.052
Talanta, Vol. 125 (Jul. 2014) , p. 159-166
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12 p, 1.7 MB |
A Programmable electrochemical Y-shaped DNA scaffold sensor for the single-step detection of antibodies and proteins in untreated biological fluids
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Idili, Andrea (Institut Català de Nanociència i Nanotecnologia) ;
Bonini, Andrea (Institut Català de Nanociència i Nanotecnologia) ;
Parolo, Claudio (Institut Català de Nanociència i Nanotecnologia) ;
Álvarez Diduk, Ruslan (Institut Català de Nanociència i Nanotecnologia) ;
Di Francesco, Fabio (Università degli Studi di Pisa. Dipartimento di Chimica e Chimica Industriale) ;
Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia)
Proteins and antibodies are key biomarkers for diagnosing and monitoring specific medical conditions. Currently, gold standard techniques used for their quantification require laborious multi-step procedures, involving high costs and slow response times. [...]
2022 - 10.1002/adfm.202201881
Advanced functional materials, Vol. 32, issue 37 (Sep. 2022) , art. 2201881
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15 p, 3.2 MB |
Composite Electrodes Based on Carbon Materials Decorated with Hg Nanoparticles for the Simultaneous Detection of Cd(II), Pb(II) and Cu(II)
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López Fernández, Laia (Universitat Autònoma de Barcelona. Departament de Química) ;
Bastos Arrieta, Julio (Universitat de Barcelona) ;
Palet i Ballús, Cristina (Universitat Autònoma de Barcelona. Departament de Química) ;
Baeza Labat, Maria del Mar (Universitat Autònoma de Barcelona. Departament de Química)
Monitoring water quality has become a goal to prevent issues related to human health and environmental conditions. In this sense, the concentration of metal ions in water sources is screened, as these are considered persistent contaminants. [...]
2022 - 10.3390/chemosensors10040148
Chemosensors, Vol. 10, Núm. 4 (April 2022) , art. 148
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19 p, 3.3 MB |
An innovative autonomous robotic system for on-site detection of heavy metal pollution plumes in surface water
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De Vito-Francesco, Elisabetta (University of Natural Resources and Life Sciences Vienna. Department of Water, Atmosphere, and Environment) ;
Farinelli, Alessandro (University of Verona. Department of Computer Science) ;
Yang, Qiuyue (Universitat Autònoma de Barcelona. Departament de Química) ;
Nagar, Bhawna (Institut Català de Nanociència i Nanotecnologia) ;
Álvarez Diduk, Ruslan (Institut Català de Nanociència i Nanotecnologia) ;
Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia) ;
Knutz, Thorsten (Go Systemelektronik GmbH) ;
Haider, Alexander (Go Systemelektronik GmbH) ;
Stach, Wolfgang (University of Natural Resources and Life Sciences Vienna. Department of Water, Atmosphere, and Environment) ;
Ziegenbalg, Falko (University of Natural Resources and Life Sciences Vienna. Department of Water, Atmosphere, and Environment) ;
Allabashi, Roza (University of Natural Resources and Life Sciences Vienna. Department of Water, Atmosphere, and Environment)
Smart monitoring has been studied and developed in recent years to create faster, cheaper, and more user-friendly on-site methods. The present study describes an innovative technology for investigative monitoring of heavy metal pollution (Cu and Pb) in surface water. [...]
2022 - 10.1007/s10661-021-09738-z
Environmental Monitoring and Assessment, Vol. 194 (January 2022) , art. 122
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