Preparation of Novel Sensors Based on Polyimide Membrane for Sensitive and Selective Determination of Dopamine
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING, vol.55, no.2, pp.119-128, 2016 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 55 Issue: 2
- Publication Date: 2016
- Doi Number: 10.1080/03602559.2015.1055503
- Journal Name: POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Page Numbers: pp.119-128
- Keywords: Dopamine sensor, polyimide selective polymeric film, voltammetric sensor, ASCORBIC-ACID, CARBIDOPA, FILMS, ELECTRODES, COMPOSITE, LEVODOPA, DISEASE, PLASMA
- Inonu University Affiliated: Yes
Abstract
Polyimides as dopamine selective membrane were prepared from 4,4'-diaminodicyclohexyl-methane and different dianhydrides. The chemical structure and thermal properties of these polyimides were examined. For the voltammetric sensor applications, polyimides exhibited suitable glass transition temperature (T-g), high thermal stability, and good adhesive properties. Moreover, polyimides were coated onto Pt electrode surface for the preparation of dopamine selective electrodes. Electrochemically dopamine responses of polyimide-coated electrodes were examined by differential pulse voltammetry. The sensor characteristics such as sensitivity, linearity, selectivity, response time, and stability of the prepared sensors have been determined. Prepared polyimide-coated electrodes can be used for selective and sensitive dopamine detection.