TY - GEN
T1 - Computational fluid dynamic model and dimensional analysis of diffusion, convection and migration processes in electrochemical sensors
AU - Barak-Shinar, D.
AU - Rosenfeld, M.
AU - Abboud, S.
N1 - Publisher Copyright:
© 2003 IEEE.
PY - 2003
Y1 - 2003
N2 - Electrochemical amperometric transducers monitor the electric current through the electrochemical cell and measure the concentration of biological or chemical available species. Experimental work in the field of electrochemical biosensors is extremely interesting, yet the support of these results by theoretical modeling is not well investigated. Using theoretical modeling to understand the physical complex phenomena seems to be challenging and might have significant implications on the optimal design of electrochemical sensors. The present study presents a unique approach for investigating the three processes of mass transfer (diffusion, convection and migration) in the vicinity of an electrochemical sensor and the adjacent layer of the electrode. A 3-D model of the electrochemical cylindrical flow cell with computational fluid dynamic simulations of time dependent diffusion, convection and migration are used. The representation of the physical phenomena by the numerical models makes it possible to predict the time-dependent behavior of the system.
AB - Electrochemical amperometric transducers monitor the electric current through the electrochemical cell and measure the concentration of biological or chemical available species. Experimental work in the field of electrochemical biosensors is extremely interesting, yet the support of these results by theoretical modeling is not well investigated. Using theoretical modeling to understand the physical complex phenomena seems to be challenging and might have significant implications on the optimal design of electrochemical sensors. The present study presents a unique approach for investigating the three processes of mass transfer (diffusion, convection and migration) in the vicinity of an electrochemical sensor and the adjacent layer of the electrode. A 3-D model of the electrochemical cylindrical flow cell with computational fluid dynamic simulations of time dependent diffusion, convection and migration are used. The representation of the physical phenomena by the numerical models makes it possible to predict the time-dependent behavior of the system.
KW - Biological system modeling
KW - Biosensors
KW - Cells (biology)
KW - Chemical and biological sensors
KW - Chemical transducers
KW - Computational fluid dynamics
KW - Computational modeling
KW - Current
KW - Monitoring
KW - Sensor phenomena and characterization
UR - http://www.scopus.com/inward/record.url?scp=84944746470&partnerID=8YFLogxK
U2 - 10.1109/SENSOR.2003.1217078
DO - 10.1109/SENSOR.2003.1217078
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AN - SCOPUS:84944746470
T3 - TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers
SP - 1566
EP - 1569
BT - TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2003 - Digest of Technical Papers
Y2 - 8 June 2003 through 12 June 2003
ER -