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1.
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10 p, 7.8 MB |
Reusable Colorimetric Biosensors on Sustainable Silk-Based Platforms
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Márquez, Augusto (Instituto de Microelectrónica de Barcelona) ;
Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Santos, Molíria V. (University of São Paulo. São Carlos Institute of Physics) ;
Aznar-Cervantes, Salvador (Instituto Murciano de Investigación y Desarrollo Agrario y Ambiental. Departamento de Biotecnología) ;
Domínguez, Carlos (Instituto de Microelectrónica de Barcelona) ;
Omenetto, Fiorenzo (Tufts University) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ;
Muñoz Berbel, Xavier (Instituto de Salud Carlos III)
In biosensor development, silk fibroin is advantageous for providing transparent, flexible, chemically/mechanically stable, biocompatible, and sustainable substrates, where the biorecognition element remains functional for long time periods. [...]
2023 -  10.1021/acsabm.3c00872
ACS applied bio materials, Vol. 7, Issue 2 (February 2023) , p. 853-862
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2.
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17 p, 4.4 MB |
Photoelectro-enzymatic glucose reusable biosensor by using dithienylethene mediators
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Márquez, Augusto (Institut de Microelectrònica de Barcelona) ;
Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Dominguez, Carlos (Institut de Microelectrònica de Barcelona) ;
Muñoz Berbel, Xavier (Institut de Microelectrònica de Barcelona) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
In the development of colorimetric biosensors, the use of electrochromic mediators has been accepted and widely used during decades. The main drawback of these types of enzymatic substrates is the difficult recovery of the initial redox state of the molecule, which can be done electrochemically or by antioxidants addition, complicating the initially simple structure of the biosensor. [...]
2020 - 10.1002/chem.202000865
Chemistry, Vol. 26, Issue 40 (July 2020) , p. 8714-8719
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3.
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26 p, 1.3 MB |
Study of P(VDF-co-HFP)-ionic liquid based ionogels for designing flexible displays
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Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Muñoz Berbel, Xavier (Institut de Microelectrònica de Barcelona) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
In flexible displays, solid electrolytes promote electron-transfer without compromising system integrity. Ionogels (IGs) are now preferred among other solid electrolytes, e. g. inorganic and hydrogel electrolytes, for being easier to produce than the former and showing excellent properties, including high ionic conductivities, broad electrochemical window, transparency, flexibility, and non-solvent volatility than the latter. [...]
2020 - 10.1016/j.molliq.2020.114033
Journal of Molecular Liquids, Vol. 318 (November 2020) , art. 114033
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4.
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22 p, 2.1 MB |
Screen-printable electrochromic polymer inks and ion gel electrolytes for the design of low-power, flexible electrochromic devices
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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
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5.
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25 p, 6.0 MB |
A self-powered skin-patch electrochromic biosensor
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Santiago, Sara (Universitat Autònoma de Barcelona) ;
Río-Colín, Diego (Universidad del País Vasco) ;
Azizkhani, Haniyeh (Universitat Autònoma de Barcelona) ;
Aller Pellitero, Miguel (Johns Hopkins University School of Medicine) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona) ;
del Campo, F. Javier (Institut de Microelectrònica de Barcelona)
One of the limitations of many skin-patch wearable sensors today is their dependence on silicon-based electronics, increasing their complexity and unit cost. Self-powered sensors, in combination with electrochromic materials, allow simplifying the construction of these devices, leading to powerful analytical tools that remove the need for external detection systems. [...]
2021 - 10.1016/j.bios.2020.112879
Biosensors & bioelectronics, Vol. 175 (March 2021) , art. 112879
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18 p, 1.1 MB |
Fully-printed and silicon free self-powered electrochromic biosensors : Towards naked eye quantification
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Aller Pellitero, Miguel (Institut de Microelectrònica de Barcelona) ;
Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Ruiz, Jules (Centre National de la Recherche Scientifique. Université de Franche-Comté. Institut UTINAM) ;
Alonso, Yasmine (Universitat Autònoma de Barcelona. Departament de Química) ;
Lakard, Boris (Centre National de la Recherche Scientifique. Université de Franche-Comté. Institut UTINAM) ;
Hihn, Jean-Yves (Centre National de la Recherche Scientifique. Université de Franche-Comté. Institut UTINAM) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ;
del Campo, F. Javier (Institut de Microelectrònica de Barcelona)
Electrochromic materials are becoming increasingly important in analytical devices and applications. Their opto-electronic properties make them particularly useful in the development of electronics-free, self-powered sensors. [...]
2020 - 10.1016/j.snb.2019.127535
Sensors and actuators. B, Chemical, Vol. 306 (March 2020) , art. 127535
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8.
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61 p, 3.4 MB |
Reversibly Switchable Fluorescent Molecular Systems Based on Metallacarborane-Perylenediimide Conjugates
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Parejo Bruque, Laura (Universitat Autònoma de Barcelona. Departament de Química) ;
Chaari, Mahdi (Institut de Ciència de Materials de Barcelona) ;
Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ;
Teixidor, Francesc (Institut de Ciència de Materials de Barcelona) ;
Núñez, Rosario (Institut de Ciència de Materials de Barcelona) ;
Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química)
Icosahedral metallacarboranes are θ-shaped anionic molecules in which two icosahedra share one vertex that is a metal center. The most remarkable of these compounds is the anionic cobalt-based metallacarborane [Co(CBH)], whose oxidation-reduction processes occur via an outer sphere electron process. [...]
2021 - 10.1002/chem.202002419
Chemistry, Vol. 27, Issue 1 (January 2021) , p. 270-280
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9.
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7 p, 2.5 MB |
Spectroelectrochemical studies of electrochromic diarylethene ionic Liquids : From solution to ionogel based devices
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Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Cruz, Hugo (Nova University of Lisbon. Nova School of Science and Technology) ;
Jordão, Noemí (Nova University of Lisbon. Nova School of Science and Technology) ;
Giménez-Gómez, Pablo (Institut de Microelectrònica de Barcelona) ;
Zalewska, Karolina (Nova University of Lisbon. Nova School of Science and Technology) ;
Muñoz Berbel, Xavier (Institut de Microelectrònica de Barcelona) ;
Santos, Andreia F.M. (Nova University of Lisbon. Nova School of Science and Technology) ;
Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ;
Branco, Luís C. (Nova University of Lisbon. Nova School of Science and Technology) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
This study establishes the photoelectrochromic properties of four diarylethene ionic liquids (DAE-ILs) composed of a diarylethene dicarboxylate (DAE) moiety, as counter-anion, and different organic cations ([Cmim], [CPyr] , [N], [P]). [...]
2022 - 10.1016/j.microc.2022.107870
Microchemical Journal, Vol. 182 (November 2022) , art. 107870
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10.
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9 p, 3.3 MB |
Electrocarboxylation of Spiropyran Switches through Carbon-Bromide Bond Cleavage Reaction
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Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Richart, Clara (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) ;
Hernando Campos, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química)
This manuscript deals with carbon capture and utilization to synthetize high-added chemicals using CO as a C1-organic building block for C−C bond formation. The study focuses on the electrocarboxylation of 1,3,3-trimethylindolino-6'-bromobenzopyrylospiran switch (Br-BIPS). [...]
2022 - 10.1002/celc.202101559
ChemElectroChem, Vol. 9, Issue 8 (April 2022) , art. e202101559
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