Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes
Porphyrinoids are suitable sensitive materials for potentiometric electronic tongues. In this paper, we take advantage of these properties to develop an electronic tongue using an extended-gate field-effect transistor as a signal transducer. The sensitive films were made of different porphyrins and...
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MDPI AG
2025-03-01
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| Series: | Chemosensors |
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| Online Access: | https://www.mdpi.com/2227-9040/13/3/108 |
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| author | Kishore Pushparaj Lorena Di Zazzo Valerio Allegra Rosamaria Capuano Alexandro Catini Gabriele Magna Roberto Paolesse Corrado Di Natale |
| author_facet | Kishore Pushparaj Lorena Di Zazzo Valerio Allegra Rosamaria Capuano Alexandro Catini Gabriele Magna Roberto Paolesse Corrado Di Natale |
| author_sort | Kishore Pushparaj |
| collection | DOAJ |
| description | Porphyrinoids are suitable sensitive materials for potentiometric electronic tongues. In this paper, we take advantage of these properties to develop an electronic tongue using an extended-gate field-effect transistor as a signal transducer. The sensitive films were made of different porphyrins and corroles electropolymerized in situ onto laser-induced graphene electrodes. The electronic tongue was duly characterized with respect to ascorbic acid, a common natural antioxidant. The sensors were shown to be sensitive and selective with respect to common interferents, such as dopamine and uric acid. Finally, the sensors were tested to detect ascorbic acid in artificial tears. |
| format | Article |
| id | doaj-art-4c4d8c31b430420db41520fa1df6080e |
| institution | DOAJ |
| issn | 2227-9040 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Chemosensors |
| spelling | doaj-art-4c4d8c31b430420db41520fa1df6080e2025-08-20T02:42:40ZengMDPI AGChemosensors2227-90402025-03-0113310810.3390/chemosensors13030108Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene ElectrodesKishore Pushparaj0Lorena Di Zazzo1Valerio Allegra2Rosamaria Capuano3Alexandro Catini4Gabriele Magna5Roberto Paolesse6Corrado Di Natale7Department of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Chemical Science and Technology, University of Rome Tor Vergata via della Ricerca Scientifica, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyDepartment of Chemical Science and Technology, University of Rome Tor Vergata via della Ricerca Scientifica, 00133 Rome, ItalyDepartment of Chemical Science and Technology, University of Rome Tor Vergata via della Ricerca Scientifica, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, Via del Politecnico 1, 00133 Rome, ItalyPorphyrinoids are suitable sensitive materials for potentiometric electronic tongues. In this paper, we take advantage of these properties to develop an electronic tongue using an extended-gate field-effect transistor as a signal transducer. The sensitive films were made of different porphyrins and corroles electropolymerized in situ onto laser-induced graphene electrodes. The electronic tongue was duly characterized with respect to ascorbic acid, a common natural antioxidant. The sensors were shown to be sensitive and selective with respect to common interferents, such as dopamine and uric acid. Finally, the sensors were tested to detect ascorbic acid in artificial tears.https://www.mdpi.com/2227-9040/13/3/108porphyrinoidsEGFETlaser-induced grapheneelectropolymerizationascorbic acidhuman tears |
| spellingShingle | Kishore Pushparaj Lorena Di Zazzo Valerio Allegra Rosamaria Capuano Alexandro Catini Gabriele Magna Roberto Paolesse Corrado Di Natale Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes Chemosensors porphyrinoids EGFET laser-induced graphene electropolymerization ascorbic acid human tears |
| title | Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes |
| title_full | Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes |
| title_fullStr | Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes |
| title_full_unstemmed | Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes |
| title_short | Detection of Ascorbic Acid in Tears with an Extended-Gate Field-Effect Transistor-Based Electronic Tongue Made of Electropolymerized Porphyrinoids on Laser-Induced Graphene Electrodes |
| title_sort | detection of ascorbic acid in tears with an extended gate field effect transistor based electronic tongue made of electropolymerized porphyrinoids on laser induced graphene electrodes |
| topic | porphyrinoids EGFET laser-induced graphene electropolymerization ascorbic acid human tears |
| url | https://www.mdpi.com/2227-9040/13/3/108 |
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