UAB Digital Repository of Documents 18 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
1.
22 p, 2.1 MB Screen-printable electrochromic polymer inks and ion gel electrolytes for the design of low-power, flexible electrochromic devices / Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ; Aller Pellitero, Miguel (Institut de Microelectrònica de Barcelona) ; del Campo, F. Javier (Institut de Microelectrònica de Barcelona) ; Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
We have developed electrochromic inks and electrolyte materials to enable mass production of flexible electrochromic displays (ECDs) and other optoelectronic devices by screen printing. Here we present a new screen-printable ink incorporating electrochromic polymer, poly(3,4-propylenedioxythiophene)bis(ethylhexyloxy), referred to here as ECP-Magenta, and antimony-doped tin oxide (ATO/TiO) particles to facilitate electron transport. [...]
2019 - 10.1002/elan.201900154
Electroanalysis, Vol. 31, Issue 9 (September 2019) , p. 1664-1671  
2.
25 p, 639.0 KB Multivariate determination of total sugar content and ethanol in bioethanol production using carbon electrodes modified with MWCNT/MeOOH and chemometric data treatment / Cardoso de Sá, Acelino (Universitat Autònoma de Barcelona. Departament de Química) ; Cipri, Andrea (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Stradiotto, Nelson Ramos (Universidade Estadual Paulista. Departamento de Química Analítica) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work reports the characterization and application of a voltammetric electronic tongue using an array of glassy carbon electrodes modified with multi-walled carbon nanotubes containing metal (Pd, Au, Cu) and oxy-hydroxide nanoparticles (MetalsOOH of Ni, Co) towards the determination of total sugar content in products related with sugarcane-bioethanol production. [...]
2018 - 10.1002/elan.201700725
Electroanalysis, Vol. 30, issue 8 (Aug. 2018) , p. 1688-1697  
3.
13 p, 875.0 KB Artificial neural networks for the resolution of dopamine and serotonin complex mixtures using a graphene-modified carbon electrode / Bonet-SanEmeterio, Marta (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
This work explores an electrode modified with electrochemically reduced graphene oxide (ERGO) for the voltammetric resolution of mixtures of neurotransmitters and its most common interferents. This enhanced sensitivity device coupled with advanced chemometric tools, such as artificial neural networks (ANNs), is able to resolve and quantify complex mixtures with overlapped signals. [...]
2019 - 10.1002/elan.201800525
Electroanalysis, Vol. 31, issue 2 (Feb. 2019) , p. 390-397  
4.
29 p, 1.2 MB Voltammetric electronic tongue based on carbon paste electrodes modified with biochar for phenolic compounds stripping detection / Kalinke, Cristiane (Universidad Federal de Paraná. Departamento de Química) ; de Oliveira, Paulo Roberto (Universidad Federal de Paraná. Departamento de Química) ; Bonet-SanEmeterio, Marta (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química) ; Salvio Mangrich, Antonio (Universidad Federal de Paraná. Departamento de Química) ; Humberto Marcolino, Luiz (Universidad Federal de Paraná. Departamento de Química) ; Bergamini, Márcio F. (Universidad Federal de Paraná. Departamento de Química)
Biochar is a charcoal produced from the biomass pyrolysis process that presents a highly porous and functionalized surface. In the present work an array of carbon paste electrodes (CPE) made of different forms of carbon (graphite, carbon nanotubes and activated biochar) was evaluated in the development of an electronic tongue for discrimination and stripping voltammetric determination of catechol (CAT), 4-ethylcatechol (4-EC) and 4-ethylguaiacol (4-EG) phenolic compounds. [...]
2019 - 10.1002/elan.201900072
Electroanalysis, Vol. 31, issue 11 (Nov. 2019) , p. 2238-2245  
5.
13 p, 943.9 KB Improved sensing of capsaicin with TiO2 nanoparticles modified epoxy graphite electrode / Sarma, Munmi (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
The presented research focuses on the electrochemical determination of capsaicin, a lipophilic alkaloid which originates hotness in chili peppers. An electrochemical sensor based on epoxy-graphite composite with the modification of titanium dioxide (TiO2) nanoparticles is developed for the determination of this alkaloid. [...]
2020 - 10.1002/elan.201900400
Electroanalysis, Vol. 32, issue 2 (Feb. 2020) , p. 230-237  
6.
8 p, 686.5 KB Analysis of amino acid mixtures by voltammetric electronic tongues and artificial neural networks / Faura, Georgina (Universitat Autònoma de Barcelona. Departament de Química) ; González-Calabuig, Andreu (Universitat Autònoma de Barcelona. Departament de Química) ; Valle Zafra, Manuel del (Universitat Autònoma de Barcelona. Departament de Química)
A new voltammetric electronic tongue formed with graphite-epoxy composite electrodes which were modified with metal-oxide nanoparticles is presented for the quantification of tryptophan, tyrosine and cysteine aminoacid mixtures. [...]
2016 - 10.1002/elan.201600055
Electroanalysis, Vol. 28, issue 8 (Aug. 2016) , p. 1894-1900  
7.
28 p, 1.5 MB Nanomaterial-based Sensors for the Study of DNA Interaction with Drugs / De la Cruz Morales, K. (Universidad Autónoma Metropolitana-Xochimilco (Mèxic). Departamento de Sistemas Biológicos) ; Alarcón Angeles, Georgina (Universidad Autónoma Metropolitana-Xochimilco (Mèxic)) ; Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia)
The interaction of drugs with DNA has been searched thoroughly giving rise to an endless number of findings of undoubted importance, such as a prompt alert to harmful substances, ability to explain most of the biological mechanisms, or provision of important clues in targeted development of novel chemotherapeutics. [...]
2019 - 10.1002/elan.201900286
Electroanalysis, Vol. 31, Issue 10 (October 2019) , p. 1845-1867  
8.
2 p, 34.9 KB Electroanalysis-Based Clinical Diagnostics / Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia)
2014 - 10.1002/elan.201410132
Electroanalysis, Vol. 26, Issue 6 (June 2014) , p. 1110  
9.
13 p, 525.4 KB Comparison of Insulin Determination on NiNPs/chitosan- MWCNTs and NiONPs/chitosan-MWCNTs Modified Pencil Graphite Electrode / Šišoláková, Ivana (University of P.J. Šafárik in Košice. Department of Physical Chemistry) ; Hovancová, Jana (University of P.J. Šafárik in Košice. Department of Physical Chemistry) ; Oriňaková, Renáta (University of P.J. Šafárik in Košice. Department of Physical Chemistry) ; Oriňak, Andrej (University of P.J. Šafárik in Košice. Department of Physical Chemistry) ; Rueda García, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Shylenko, Oleg (University of P.J. Šafárik in Košice) ; Radoňák, Jozef (University of P.J. Šafárik in Košice)
The rising amount of patients suffering for diabetes mellitus increases the requirements for effective insulin sensors. Carbon materials are a suitable choice for the development of insulin sensors due to their electrochemical characteristics. [...]
2019 - 10.1002/elan.201800483
Electroanalysis, Vol. 31, Issue 1 (January 2019) , p. 103-112  
10.
9 p, 342.0 KB 2D Materials-based platforms for electroanalysis applications / Alarcón Angeles, Georgina (Universidad Autónoma Metropolitana-Xochimilco (Mèxic)) ; Palomar-Pardavé, M. (Universidad Autónoma Metropolitana (Mèxic). Unidad Azcapotzalco) ; Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia)
A new class of nanomaterials called "2D materials" (2DMs) is attracting recently the electrochemical sensing field due to the unique physicochemical properties associated to their chemical structure, formed by ultra-thin layers. [...]
2018 - 10.1002/elan.201800245
Electroanalysis, Vol. 30, issue 7 (July 2018) , p. 1271-1280  

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