Nano Science and Technology Institute
Nanotech 2006 Vol. 2
Nanotech 2006 Vol. 2
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 2
 
Chapter 3: Bio Sensors and Diagnostics
 

A Novel, Low Power Biosensor for Real Time Monitoring of Creatinine and Urea in Peritoneal Dialysis

Authors:B. Premanode and C. Toumazou
Affilation:Institute of Biomedical Engineering, UK
Pages:221 - 224
Keywords:biosensors, ISFET, Weak Inversion, Dialysis
Abstract:Novel biosensors, based on immobilized creatininase, creatinase and urease are developed, using ISFETs with weak inversion at pH 6-8 and 37.0oC. The ISFETs with circuitry, demonstrate a linear relationship of urea and creatinine at the range of 0-200 mM and 0-20 mM, respectively. Preliminary results show that biosensors operating in weak inversion mode can eliminate many of the disadvantages of ISFETs operating in the strong inversion region, providing a wide dynamic range output in nanoAmp. Such characteristics fit the analytical requirements for improving real-time monitoring in Peritoneal Dialysis (PD). Further work covers stability of ISFET sensors biased with CMOS circuits in the weak inversion mode working in the room temperature of 15 to 40°C.
A Novel, Low Power Biosensor for Real Time Monitoring of Creatinine and Urea in Peritoneal DialysisView PDF of paper
ISBN:0-9767985-7-3
Pages:893
Hardcopy:$119.95
 
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