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Dra. María Aguirre

E-mail: 
maria.aguirre@usach.cl






Determinación del comportamiento eléctrico de electrodos de pasta de carbono modificados con líquidos iónicos (CILE) derivados del N-octil piridinio modificados con sustituyentes en la posición para del anillo piridinico, con anión hexafluorofosfato. Efecto del sustituyente.

Biografía: 

Química y Licenciada en Química (Universidad de Chile) y Doctor en Química (Universidad de Santiago de Chile)

Lineas de Investigación: 

Electroquímica del vino y polifenoles. Reciclaje de baterías y pilas. Electrocatálisis en reducción de oxígeno, CO2 e hidrógeno. Electrocatálisis y Electroanálisis de contaminantes de agua. Diseño de sensores electroquímicos mediante modificación con polímeros conductores y/o líquidos iónicos. Aprovechamiento de residuos de la industria agrícola. 

Proyectos: 

Participación Proyectos externos

  • FONDECYT Nº 1160324,  Design of sensing-electrodes with renewable surface for detecting analytes of interest in the food industry. determination of the role of each element of the compositeelectrode in the global response años 2016-2019. Investigador Principal
  • FONDAP Nº RC-130006, Líquidos iónicos. años 2015-2017. Co-investigador
  • FONDECYT Nº 1141199, Structural and microenvironmental effects in the eclectro and photoelectrochemical reduction of carbon dioxide on multimetallic porphyrins-modified electrodes by "layer-bylayer" methology años 2014-2018. Co-investigador.
  • FONDECYT Nº 1130389, Improvement of antifungal and antibacterial activities from extracts or phenolic compounds obtained from winery byproducts by structural modification or combination with antibiotics años 2013-2017. Co-investigador.
  • FONDECYT Nº 3140085, Obtención de nuevos sistemas híbridos ionogel/porfirinas: diseño de electrodos modificados y su aplicación en la electrocatálisis de CO2  años 2013-2016. Investigador patrocinante.
  • FONDECYT Nº 1120071, Determination of electrochemical parameters for determination of wine aging años 2012-2016. Investigador responsable.
Últimas Publicaciones: 
Publicaciones (de los últimos 5 años).
  • C. Báez, F. Navarro, F. Fuenzalida, M.J. Aguirre, M.C. Arévalo, M. Afonso, C. García, G. Ramírez, J.A Palenzuela, Electrical and electrochemical behavior of carbón paste electrodes modified with ionic liquids based in N-octylpyridinium bis (trifluoromethylssulfonyl)imide. A theoretical and experimental study. Molecules, 24(2019) article number 3382.
  • L. Gidi, J. Honores, J. Ibarra, R. Arce, M.J. Aguirre, G. Ramírez, Study of the hydrogen evolution reaction using ionicliquid/cobalt porphyrin systems as electro and photoelectrocatalysts, Catalysts, 10 (2020) article number 239.
  • P. Márquez, J. Amici, M.J. Aguirre, F. Herrera, C. Francia, S. Bodoardo, Synergic effect of catalyst/binder in passivation side-products of Li-oxygen cells, Journal of Solid State Electrochemistry, 23, (2019), 3309–3317.
  • L. Gidi, J. Honores, R. Arce, M.C. Arévalo, M.J. Aguirre, G. Ramírez, Enhanced electrocatalysis of the oxygen reduction reaction using cobalt and iron porphyrin/ionic liquid systems, Energy Technology, 7, (2019) article number 1900698.
  • J.P. Canales, R. Arce, C. Madariaga, M. García, C. Canales, J. Velez, M.C. Arévalo, M.J. Aguirre, J. Romero, Extraction of sulfite for wastewater treatment and for analytical determination, Desalination and Water Treatment, 146, (2019) 341-350
  • L. Gidi, J. Honores, J. Ibarra, R. Arce, M.J. Aguirre, G. Ramírez, Improved photoelectrocatalytic effect of Co(II) and Fe(III) mixed porphyrins on graphite paste electrodes towards hydrogen evolution reaction, New Journal of Chemistry, 43(32), (2019) 1-7
  • M. García, J. Honores, F. Celis, F. Fuenzalida, R. Arce, M.J. Aguirre, A. Aracena, Imidazolium-based ionic liquids as stabilizers for electrode modification with water-soluble porphyrin, New Journal of Chemistry, 43(5) (2019) 2338-2346
  • C. Canales, L. Gidi, R. Arce, F. Armijo, M.J. Aguirre, G. Ramírez, Electro-reduction of molecular oxygen mediated by a cobalt(II)octaethylporphyrin system onto oxidized glassy carbon/oxidized Graphene substrate, Catalysts, 8(12), (2018) 629-641
  • C. García, F. Navarro, F. Celis, D. Ruiz, S. Toledo, L. Sanhueza, A. Quiñones, M.J. Aguirre, Electrochemical, Spectroscopic and Electrochemiluminescent Characterization of Self-Assembled 3-Aminopropyltriethoxysilane/Cdte Quantum Dots Hybrids on Screen-Printed Electrodes, Electrochimica Acta,  276, (2018)  64-72
  • L. Gidi, C. Canales, M.J. Aguirre, F. Armijo, G. Ramírez, Four-Electron Reduction of Oxygen Electrocatalyzed by a Mixture of Porphyrin Complexes onto Glassy Carbon Electrode Int. J. Electrochem. Sci., 13 (2018) 1666 – 1682
  • F. Fuenzalida, D. Aravena, C. García, M. García, R. Arce, G. Ramirez, C. Díaz, M. Isaacs, M. C. Arévalo, M.J. Aguirre, Effect of the Substituent of the Cation Of N-Octylpyridinium Hexafluorophosphate In the Electrical and Electrochemical Response of Carbon Paste Electrodes Modified with These Ionic Liquids, Electrochimica Acta, 258(20), (2017), 959-969
  • N. Mosquera, M.J. Aguirre, D. Ruiz-León, C. García, R.Arce, S. Bollo, Co2sno4/Carbon Paste Electrode as Electrochemical Sensor for Hydrogen Peroxide, J. Chil. Chem. Soc. .62(2), (2017), 3525-3528
  • J. Honores, D. Quezada, M: Garcia, K. Calfuman, J.P. Muena, M.J. Aguirre, M.C. Arevalo,M.  Isaacs, Carbon neutral electrochemical conversion of carbon dioxide mediated by (Mn2+(cyclam) Cln) (M=Ni2+ andCo3+) on mercury free electrodes and ionic liquids as reaction media”. Green Chemistry, 19(4), (2017), 1155-1162.
  • C. Garcia, F. Navarro, D. Ruiz-Leon, O. Garcia Beltran, M.J. Aguirre, Impedimetric evaluation of hybrid cationic porphyrin/quantum dot multilayer assemblies: a biocompatible interface for calf thymus DNA immobilization”.  J Solid State Electrochem, 21(1), (2017), 243-253
  • F. Fuenzalida, C. García, M. García, R. Arce, C. Baéz, M.J. Aguirre, M. Isaacs, M.C Arévalo, Electrooxidation of sulfite at carbon paste electrodes modified with ionic liquids derivated of N-octylpyridinium Hexafluorophosphate with different substituents in the cation, J. Chil. Chem. Soc., 62(4) (2017) 3721-3725.
  • R. Arce, C. Baez, J.P. Muena, M.J. Aguirre, J. Romero, Electrochemical method for sulfite determination in wine by electrochemical response using a membrane absorber system”. Journal of the Chilean Chemical Society, 61, (2016), 3206-3210.
  • M. García, J. Honores, D. Quezada, C. Díaz, P. Dreyse, F. Celis, C. Kubiak, G. Canzi, F. Guzmán M.J. Aguirre, M. Isaacs, Nitrite reduction on a multimetallic porphyrin/polyoxotungstate layer-by-layer modified electrode”. Electrochimica acta, 192, (2016), 61-71.