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Authors = Anna Regoutz

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5 pages, 835 KiB  
Proceeding Paper
Commercially Fabricated Printed Circuit Board Sensing Electrodes for Biomarker Electrochemical Detection: The Importance of Electrode Surface Characteristics in Sensor Performance
by Gorachand Dutta, Anna Regoutz and Despina Moschou
Proceedings 2018, 2(13), 741; https://doi.org/10.3390/proceedings2130741 - 29 Nov 2018
Cited by 15 | Viewed by 3134
Abstract
Here we report the first PCB-implemented electrochemical glucose biosensor using
covalently immobilized glucose oxidase (GOx) on the commercially fabricated PCB electrode
surface, taking particular care on the electrode surface characteristics and their effect on sensor
performance. Based on the results, this assay exhibits [...] Read more.
Here we report the first PCB-implemented electrochemical glucose biosensor using
covalently immobilized glucose oxidase (GOx) on the commercially fabricated PCB electrode
surface, taking particular care on the electrode surface characteristics and their effect on sensor
performance. Based on the results, this assay exhibits a highly linear response from 500 μM to 20
mM (R = 0.9961) and a lower limit of detection of 500 μM. Full article
(This article belongs to the Proceedings of EUROSENSORS 2018)
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12 pages, 1631 KiB  
Article
Surface and Electrical Characterization of Ag/AgCl Pseudo-Reference Electrodes Manufactured with Commercially Available PCB Technologies
by Despina Moschou, Tatiana Trantidou, Anna Regoutz, Daniela Carta, Hywel Morgan and Themistoklis Prodromakis
Sensors 2015, 15(8), 18102-18113; https://doi.org/10.3390/s150818102 - 24 Jul 2015
Cited by 43 | Viewed by 12624
Abstract
Lab-on-Chip is a technology that could potentially revolutionize medical Point-of-Care diagnostics. Considerable research effort is focused towards innovating production technologies that will make commercial upscaling financially viable. Printed circuit board manufacturing techniques offer several prospects in this field. Here, we present a novel [...] Read more.
Lab-on-Chip is a technology that could potentially revolutionize medical Point-of-Care diagnostics. Considerable research effort is focused towards innovating production technologies that will make commercial upscaling financially viable. Printed circuit board manufacturing techniques offer several prospects in this field. Here, we present a novel approach to manufacturing Printed Circuit Board (PCB)-based Ag/AgCl reference electrodes, an essential component of biosensors. Our prototypes were characterized both structurally and electrically. Scanning Electron Microscopy (SEM) and X-Ray Photoelectron Spectroscopy (XPS) were employed to evaluate the electrode surface characteristics. Electrical characterization was performed to determine stability and pH dependency. Finally, we demonstrate utilization along with PCB pH sensors, as a step towards a fully integrated PCB platform, comparing performance with discrete commercial reference electrodes. Full article
(This article belongs to the Section Chemical Sensors)
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