Dr. Jaime Pizarro

Nuestra investigación se centra en el desarrollo de metodologías analíticas utilizando sensores electroquímicos, basados ​​en electrodos serigrafiados desechables y de bajo coste modificados a partir de la síntesis de nanoestructuras de carbono, evaluando su respuesta electroquímica para la determinación de sustancias psicoactivas mediante técnicas voltamperométricas.

1) Proyecto Postdoctorado Nacional N° 3200165: “En la búsqueda de un sensor para la determinación in situ de drogas Z en fluidos orales”. Investigador Responsable

2) Proyecto Subvención a la Instalación en la Academia N°85220089: ‘‘Creación de área interdisciplinaria de detección de drogas mediante el desarrollo de sensores in situ para drogas de abuso en la Facultad de Química y Biología de la Universidad de Santiago de Chile’’ (2022-2025). Investigador Responsable

3) Proyecto FONDECYT Iniciación N° 11230219 “On-site sensor for the determination of chemical submission drugs” (2023-2026). Investigador Responsable

1) Development of electrochemical sensors for the determination of selenium using gold nanoparticles modified electrodes (2015) Sensors and Actuator B: Chemical         Rodrigo Segura^*, Jaime Pizarro, Karina Díaz, Alan Placencio, Fernando Godoy, Eduardo Pino and Francisco Recio

2) New aryloxy-quinone derivatives as potential anti-Chagasic agents: synthesis, trypanosomicidal activity, electrochemical properties, pharmacophore elucidation and 3D-QSAR analysis (2015) RSC Advances

Karina Vázquez, Christian Espinosa-Bustos, Jorge Soto-Delgado, Ricardo A. Tapia, Javier Varela, Estefanía Birriel, Rodrigo Segura, Jaime Pizarro, Hugo Cerecetto, Mercedes González, Margot Paulino* and Cristian O. Salas*

3) Determination of lead and cadmium in water samples by adsorptive stripping voltammetry using a bismuth film/1-Nitroso-2-Napthol/Nafion modified glassy carbon electrode (2016) Journal of International Electrochemical Science

Rodrigo A. Segura*, Alejandra D. Castillo, Jaime A. Pizarro, María P. Oyarzun, Karina J. Díaz, Alan B. Placencio

4) An electrochemical sensor for the determination of Cu(II) using a modified electrode with ferrocenyl crown ether compound by square wave anodic stripping voltammetry. (2017) Sensors and Actuator B: Chemical

Erick Flores, Jaime Pizarro, Fernando Godoy, Rodrigo Segura*, Alejandra Gómez, Nicolás Agurto and Pamela Sepúlveda

5) Anodic stripping voltammetric determination of lead using a chemically modified electrode based on aza crown ether (2017) Journal of the Chilean Chemical Society

Rodrigo Segura*, Karina Díaz, Jaime Pizarro, Alan Placencio, Diego Tapia and Angelo Fajardo

6) Synthesis and characterization of the first cyrhetrenyl-appended calix[4]arene macrocycle and its application as an electrochemical sensor for the determination of Cu(II) in bivalve mollusks using square wave anodic stripping voltammetry (2018) Sensors and Actuator B: Chemical

Jaime Pizarro, Erick Flores, Victor Jimenez, Tamara Maldonado, Claudio Saitz, Andres Vega, Fernando Godoy and Rodrigo Segura

7) Determination of norepinephrine using a glassy carbon electrode modified with graphene quantum dots and gold nanoparticles by square wave stripping voltammetry (2018) Journal of Applied Electrochemistry

Autor(es) A. Fajardo, D. Tapia, J. Pizarro*, R. Segura* and P. Jara

8) Electroanalytical determination of Cd(II) and Pb(II) in bivalve mollusks using electrochemically reduced graphene oxide-based electrode (2019) Electroanalysis

Jaime Pizarro*, Rodrigo Segura*, Diego Tapia, Soledad Bollo and Paulina Sierra Rosales

9) New aryloxy-quinone derivatives with promising activity on Trypanosoma cruzi (2020) Archiv der Pharmazie

Christian Espinosa-Bustos, Karina Vázquez, Javier Varela, Hugo Cerecetto, Margot Paulino, Rodrigo Segura, Jaime Pizarro, Brenda Vera, Mercedes González, Ana M. Zarate, Cristian O. Salas*

10) Ulva compressa from Copper-Polluted Sites Exhibits Intracellular Copper Accumulation, Increased Expression of Metallothioneins and Copper Containing Nanoparticles in Chloroplasts (2021) International Journal of Molecular Sciences

Daniela Espinoza, Alberto González, Jaime Pizarro, Rodrigo Segura, Daniel Laporte, Fernanda Rodríguez-Rojas, Claudio A. Sáez and Alejandra Moenne*

11) Inexpensive and green electrochemical sensor for the determination of Cd(II) and Pb(II) by square wave anodic stripping voltammetry in bivalve mollusks  Food Chemistry (2020)

Jaime Pizarro*, Rodrigo Segura*, DiegoTapia, Freddy Navarro, Francesca Fuenzalida and María Jesús Aguirre

12) A simple graphene modified electrode for the determination of antimony(III) in edible plants and beverage (2022) Food Chemistry

Fabiana Liendo, Amaya Paz de la Vega, Maria Jesus Aguirre, Fernando Godoy, Angel A.Martí, Erick Flores* , Jaime Pizarro* and Rodrigo Segura*

13) Fast and simple preparation of a sensor based on electrochemically reduced graphene oxide (rGO) for the determination of zopiclone in pharmaceutical dosage by square wave adsorptive stripping voltammetry (SWAdsV) (2022) Electroanalysis

Freddy Navarro, Rodrigo Segura, Fernando Godoy, Angel Martí, Carolina Mascayano, Maria Jesus Aguirre*, Erick Flores* and Jaime Pizarro*