Mobile phone-based electrochemiluminescence sensing exploiting the 'USB On-The-Go' protocol

Doeven, Egan H., Barbante, Gregory J., Harsant, Anthony J., Donnelly, Paul S., Connell, Timothy U., Hogan, Conor F. and Francis, Paul S. 2015, Mobile phone-based electrochemiluminescence sensing exploiting the 'USB On-The-Go' protocol, Sensors and actuators, b: chemical, vol. 216, pp. 608-613, doi: 10.1016/j.snb.2015.04.087.

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Title Mobile phone-based electrochemiluminescence sensing exploiting the 'USB On-The-Go' protocol
Author(s) Doeven, Egan H.ORCID iD for Doeven, Egan H. orcid.org/0000-0003-2677-4269
Barbante, Gregory J.
Harsant, Anthony J.
Donnelly, Paul S.
Connell, Timothy U.
Hogan, Conor F.
Francis, Paul S.ORCID iD for Francis, Paul S. orcid.org/0000-0003-4165-6922
Journal name Sensors and actuators, b: chemical
Volume number 216
Start page 608
End page 613
Total pages 6
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-09
ISSN 0925-4005
Keyword(s) Science & Technology
Physical Sciences
Technology
Chemistry, Analytical
Electrochemistry
Instruments & Instrumentation
Chemistry
Smartphone sensor
Mobile phone sensor
Portable analytical devices
Electrogenerated chemiluminescence
Electrochemiluminescence
IRIDIUM(III) COMPLEXES
COLORIMETRIC DETECTION
MICROFLUIDIC DEVICES
SMART PHONE
CHEMILUMINESCENCE
PLATFORM
DETECTOR
SENSORS
GREEN
Summary A low-cost system to generate, control and detect electrochemiluminescence using a mobile smartphone is described. A simple tone-detection integrated circuit is used to switch power sourced from the phone's Universal Serial Bus (USB) 'On-The-Go' (OTG) port, using audible tone pulses played over the device's audio jack. We have successfully applied this approach to smartphones from different manufacturers and with different operating system versions. ECL calibrations of a common luminophore, tris(2,2′-bipyridine)ruthenium(II) ([Ru(bpy)3]2+), with 2-(dibutylamino)ethanol (DBAE) as a co-reactant, showed no significant difference in light intensities when an electrochemical cell was controlled by a mobile phone in this manner, compared to the same calibration generated using a conventional potentiostat. Combining this novel approach to control the applied potential with the measurement of the emitted light through the smart phone camera (using an in-house built Android app), we explored the ECL properties of a water-soluble iridium(III) complex that emits in the blue region of the spectrum. The iridium(III) complex exhibited superior co-reactant ECL intensities and limits of detection to that of the conventional [Ru(bpy)3]2+ luminophore.
Language eng
DOI 10.1016/j.snb.2015.04.087
Field of Research 030102 Electroanalytical Chemistry
0301 Analytical Chemistry
0912 Materials Engineering
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID FT100100646
DP150102741
LE120100213
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075277

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