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Dr. María Aguirre

E-mail: 
maria.aguirre@usach.cl

Chemist (Universidad de Chile) and Doctorate in Chemistry (Universidad de Santiago de Chile).

 

 

Electrical behavior determination from carbon paste electrodes modified with ionic liquids (CILE) derived from N-octyl pyridinium modified with substituents in para position of the pyridine ring, with hexafluorophosphate anion.  substituent effect.

 

Research Area: 

Research Area: wine and polyphenols electrochemistry. Batteries Recycle and batteries. Electrocatalysis in reduction of oxygen, CO2 and hydrogen. Electrocatalysis and Electroanalysis of water pollutants. electrochemical sensors Design by modification with conductive polymers and / or ionic liquids. Waste use from the agricultural industry.

Projects: 
External projects
 
  • 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 years 2016-2019. Principal researcher
  • FONDAP Nº RC-130006, Ionic liquids. years 2015-2017. Co-Researcher
  • 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 years 2014-2018. Co-investigator.
  • FONDECYT Nº 1130389, Antifungal and antibacterial  improvement activities from extracts or phenolic compounds obtained from winery and products by structural modification or combination with antibiotics years 2013-2017. Co-Researcher.
  • FONDECYT Nº 3140085, Obtaining new ionogel / porphyrin hybrid systems: design of modified electrodes and its application in the CO2 electrocatalysis years 2013-2016. Sponsoring researcher.
  • FONDECYT Nº 1120071, Determination of electrochemical parameters for determination of wine aging years 2012-2016. Principal researcher.
Latest Publications: 
  • 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.