Abstract
Abstract
The application of highly sensitive pH sensors manufactured in volume at low cost has great commercial interest due to an extensive array of potential applications. Such areas include industrial processing, biotechnology and medical diagnostics particularly in the development of point of care (POC) devices. A novel printable electrochemical pH sensor based on graphene and pigment melanin (PGM), was designed and produced by using a screen printing process that enables up scaling for potential commercial application. We demonstrate a highly sensitive pH sensor (62 mV pH−1 ± 7) over a pH range from 5 to 8, with high stability and superior performance when compared with a number of existing devices and making it suitable for physiological applications.
Funder
Welsh Government and European Commission under European Regional Development Funds
FAPESP
European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement
Knowledge Economy Skills Scholarships
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science,General Chemistry
Cited by
53 articles.
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