3 years ago

Biomedical Diagnostics Enabled by Integrated Organic and Printed Electronics

Biomedical Diagnostics Enabled by Integrated Organic and Printed Electronics
Anthony J. Killard, David Donaghy, Termeh Ahmadraji, Munira Raja, Aoife Morrin, Vitaly Efremov, Mika Suhonen, Reinhard R. Baumann, Tapio Ritvonen, Saara Tuurala, Antti Kemppainen, Dave Smart, Satu Ylimaula, Andreas Willert, Laura Gonzalez-Macia
Organic and printed electronics integration has the potential to revolutionize many technologies, including biomedical diagnostics. This work demonstrates the successful integration of multiple printed electronic functionalities into a single device capable of the measurement of hydrogen peroxide and total cholesterol. The single-use device employed printed electrochemical sensors for hydrogen peroxide electroreduction integrated with printed electrochromic display and battery. The system was driven by a conventional electronic circuit designed to illustrate the complete integration of silicon integrated circuits via pick and place or using organic electronic circuits. The device was capable of measuring 8 μL samples of both hydrogen peroxide (0–5 mM, 2.72 × 10–6 A·mM–1) and total cholesterol in serum from 0 to 9 mM (1.34 × 10–8 A·mM–1, r2 = 0.99, RSD < 10%, n = 3), and the result was output on a semiquantitative linear bar display. The device could operate for 10 min via a printed battery, and display the result for many hours or days. A mobile phone “app” was also capable of reading the test result and transmitting this to a remote health care provider. Such a technology could allow improved management of conditions such as hypercholesterolemia.

Publisher URL: http://dx.doi.org/10.1021/acs.analchem.7b01012

DOI: 10.1021/acs.analchem.7b01012

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