NDLI: A miniaturized monitoring system for electrochemical biosensing using Shewanella oneidensis in environmental applications

Content Provider	IEEE Xplore Digital Library
Author	Zhou, A.Y. Zajdel, T.J. TerAvest, M.A. Maharbiz, M.M.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. Eng. & Comput. Sci, Univ. of California, Berkeley, Berkeley, CA, USA (Zhou, A.Y.; Zajdel, T.J.; Maharbiz, M.M.) \|\| California Inst. for Quantitative Biosci., Univ. of California, Berkeley, Berkeley, CA, USA (TerAvest, M.A.)
Abstract	We present a miniaturized, free-floating monitoring system which makes use of electron transfer in Shewanella oneidensis sequestered behind a permeable membrane while maintaining diffusive contact with the environment, allowing for sensing environmental conditions. The system makes use of a commercial off-the-shelf (COTS) integrated circuit (IC) which sets a potential between a working electrode and a Ag/AgCl reference electrode while recording the resulting current from the electroactive cells. We successfully sensed both pyruvate and the environmental presence of E. coli via changes in the currents sensed. This work will enable the development of mobile aquatic sensing systems which make use of bacterial electron transfer as a transduction method. Further miniaturization of the recording mote, electrodes, packaging, and system is discussed.
Starting Page	7518
Ending Page	7521
File Size	858362
Page Count	4
File Format	PDF
ISSN	1557170X
e-ISBN	9781424492718
DOI	10.1109/EMBC.2015.7320131
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-25
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Biosensors Biomembranes Microorganisms Production Chemicals
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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