Tecnológico de Costa Rica
  • How to publish in Repositorio TEC?
  • Policies
  • Educational Resources
  • Contact us
    • español
    • English
  • English 
    • español
    • English
  • Login
View Item 
  •   Repository Home
  • Trabajos de Graduación
  • Biblioteca José Figueres Ferrer
  • Escuela de Ciencia e Ingeniería de los Materiales
  • Bachillerato en Ingeniería en Materiales
  • View Item
  •   Repository Home
  • Trabajos de Graduación
  • Biblioteca José Figueres Ferrer
  • Escuela de Ciencia e Ingeniería de los Materiales
  • Bachillerato en Ingeniería en Materiales
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Browse

All RepositoryCommunities & CollectionsBy Issue DateAuthorsTitlesKeywordEducational Resource TypeIntended UserThis CollectionBy Issue DateAuthorsTitlesKeywordEducational Resource TypeIntended User

My Account

LoginRegister

Statistics

View Usage Statistics

Caracterización electroquímica y microscópica del sistema Poli (3,4-etilendioxitiofeno)-Nanopartículas de Oro para la aplicación en la fabricación de biosensores

Thumbnail
View/Open
caracterizacion_electroquimica_microscopica_sistema_poli.pdf (1.877Mb)
Date
2017
Author
Alvarado-Hidalgo, Alex Fernando
Metadata
Show full item record
Abstract
This research is performed to evaluate the electrochemical behavior of a Poly (3,4-Ethilenedioxythiophene)-Gold Nanoparticles modified Gold electrode (PEDOT-NPAu). The evaluation was performed by using Cyclic Voltammetry and Electrochemical Impedance Spectroscopy measurements, as well as Transmission Electron Microscopy for the microscopic analysis of the modified electrode surface. It was measured a lower impedance magnitude for the modified electrode than the only-gold electrode in the whole evaluated frequency range (1 Hz – 1 MHz); besides, by using Cyclic Voltammetry it was confirmed that the modified electrode has an increased sensibility in comparison with the only-gold electrode. Finally, the applicability of the chemical modification with PEDOT-NPAu in pesticide detection is shown by using an enzymatic reaction between Acetylcholinesterase and Acetylthiocholine with and without a pesticide who acts as an enzymatic inhibitor, it was measured a falling of 5 μA in the current associated with the reaction.
Description
Proyecto de Graduación (Bachillerato en Ingeniería en Materiales) Instituto Tecnológico de Costa Rica, Escuela de Ingeniería en Materiales, 2017.
URI
http://hdl.handle.net/2238/9358
Share
       
Metrics
Collections
  • Bachillerato en Ingeniería en Materiales [13]

|Contact us

Repositorio Institucional del Tecnológico de Costa Rica

Biblioteca José Figueres Ferrer | TEC Digital

© DERECHOS RESERVADOS. Un sitio soportado por DSpace(v. 5.5)

RT-1

 

 


|Contact us

Repositorio Institucional del Tecnológico de Costa Rica

Biblioteca José Figueres Ferrer | TEC Digital

© DERECHOS RESERVADOS. Un sitio soportado por DSpace(v. 5.5)

RT-1