Characteristics Of Microfabricated Ion Selective Electrodes

J. Van der Spiegel; I. R. Lauks; H. J. Wieck; N. Smit; S. Cozzette

doi:10.1117/12.952155

8 August 1989 Characteristics Of Microfabricated Ion Selective Electrodes

J. Van der Spiegel, I. R. Lauks, H. J. Wieck, N. Smit, S. Cozzette

Proceedings Volume 1068, Catheter-Based Sensing and Imaging Technology; (1989) https://doi.org/10.1117/12.952155
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

The paper discusses the fabrication and the test results of a blood urea nitrogen sensor (BUN) and a chloride sensor. The BUN sensor consists of a potentiometric ammonium ion sensor covered by a polymer membrane that contains the immobilized enzyme urease. The chloride sensor is a liquid membrane type electrode. Both electrodes are batch fabricated. The sensors are part of a multispecies sensor chip. The results of the sensor in aqueous solutions and blood will be given. Good uniformity and reproducibility is obtained. The BUN sensor has a linear range of 1 to 20 mM urea and a coefficient of variation of 3% in normal blood.

Citation Download Citation

J. Van der Spiegel, I. R. Lauks, H. J. Wieck, N. Smit, and S. Cozzette "Characteristics Of Microfabricated Ion Selective Electrodes", Proc. SPIE 1068, Catheter-Based Sensing and Imaging Technology, (8 August 1989); https://doi.org/10.1117/12.952155

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