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A simple polymer based electrochemical transistor for micromolar glucose sensing |
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| Authors: | Senaka K. KanakamedalaAuthor Vitae Haidar T. AlshakhouriAuthor VitaeMangilal AgarwalAuthor Vitae Mark A. DeCosterAuthor Vitae |
| Affiliation: | a Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA 71270, USA b Center for Biomedical Engineering Rehabilitation Science, Louisiana Tech University, Ruston, LA 71270, USA c Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA |
| Abstract: | A simple and inexpensive glucose sensor with micromolar sensitivity is demonstrated. The sensor utilizes a poly(3,4-ethyelenedioxythiphene) poly(styrene sulfonate) (PEDOT:PSS) based electrochemical transistor in which all the electrodes and the channel were made with the same polymer. The sensor was fabricated in a one step fabrication process using inexpensive and rapid xurography technique and is able to detect glucose concentrations from approximately 1 μM to 10 mM and showed adequate change for glucose levels in the range of human saliva (8-210 μM) without utilizing any external electron mediators. |
| Keywords: | Organic electrochemical transistor Xurography PEDOT:PSS Glucose sensor Glucose oxidase |
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