Thesis etd-10012022-104330 |
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Thesis type
Tesi di laurea magistrale
Author
DE GREGORIO, ELENA
URN
etd-10012022-104330
Thesis title
Development of a green biodegradable starch-based electrochemical sensor
Department
CHIMICA E CHIMICA INDUSTRIALE
Course of study
CHIMICA
Supervisors
relatore Dott. Lomonaco, Tommaso
tutor Dott. Salvo, Pietro
controrelatore Prof.ssa Bonaduce, Ilaria
tutor Dott. Salvo, Pietro
controrelatore Prof.ssa Bonaduce, Ilaria
Keywords
- amido
- biodegradabile
- biodegradable
- cross-linking
- electrochemical sensor
- electrode
- film
- gold
- green
- materials
- PVD
- sensore elettrochimico
- starch
Graduation session start date
17/10/2022
Availability
Withheld
Release date
17/10/2028
Summary
Lo scopo della tesi è lo sviluppo di un sensore elettrochimico green e biodegradabile a base di amido. Vengono riportate l'ottimizzazione della procedura per lo sviluppo del substrato di amido e la sua caratterizzazione mediante tecniche termiche (TGA, EGA-MS) e spettroscopiche (Raman, SEM-EDS, XPS), valutando anche aspetti come l'angolo di contatto, la biodegradabilità e la citotossicità del materiale. Il sensore prodotto mediante PVD è stato infine caratterizzato mediante voltammetria ciclica per verificare il comportamento previsto dall'equazione di Randles-Sevcik.
The aim of this thesis is the development of a green biodegradable starch-based electrochemical sensor. The thesis sections include the optimization of the procedure for the starch substrate production and its characterization with thermal (TGA, EGA-MS) and spectroscopic techniques (Raman, SEM-EDS, XPS). Contact angle, biodegradability and cytotoxicity were also evaluated. The sensor characterization was performed by cyclic voltammetry to assess the accordance with Randles-Sevcik equation and evaluate the electroactive area of the working electrode.
The aim of this thesis is the development of a green biodegradable starch-based electrochemical sensor. The thesis sections include the optimization of the procedure for the starch substrate production and its characterization with thermal (TGA, EGA-MS) and spectroscopic techniques (Raman, SEM-EDS, XPS). Contact angle, biodegradability and cytotoxicity were also evaluated. The sensor characterization was performed by cyclic voltammetry to assess the accordance with Randles-Sevcik equation and evaluate the electroactive area of the working electrode.
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