Nano Science and Technology Institute
Nanotech 2008 Vol. 3
Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 3: Lab-on-a-Chip, Micro & Nano Fluidics

Amperometric glucose sensor for real time extracellular glucose monitoring in microfluidic device

Authors:I.A. Ges, F.J. Baudenbacher
Affilation:Vanderbilt University, US
Pages:253 - 256
Keywords:glucose sensor, microfluidic device, cardiac myocytes, glucose consumption
Abstract:Glucose and lactate are the most important metabolites which characterize physiological state and the metabolic activity of living cells. Consequently, development of a stable glucose biosensor is an interesting and important research topic for medicine and biochemistry. Currently there are different types of glucose sensors which successfully apply to control of glucose concentration in blood. But traditional electrochemical approach of glucose sensors fabrication for glucose monitoring in cells growth media (DMEM, HBSS) were failed because they lost sensitivity, reproducibility and stability. A glucose biosensor based on the electrochemical detection of enzymatically generated H2O2 was constructed by the spin-coating deposition of glucose oxidase via glutaraldehyde cross-linking on the Pt electrode, followed by coating with a Nafion outer layer to obtain high selectivity and stability. . Special design of microfluidic devices (Nanophysiometer) were developed for extracellular monitoring of glucose for single cardiomyocytes cell. The paper presents results of the study of glucose consumption by single cardiomyocytes cell in Tyrod’s solution (pH 7.4, 0.5 mM Ca2+, 10 mM glucose) using our thin film glucose sensor.
Amperometric glucose sensor for real time extracellular glucose monitoring in microfluidic deviceView PDF of paper
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