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Proceedings Paper

Haematic pH sensor for extracorporeal circulation
Author(s): Luca Ferrari; Paola Fabbri; Luigi Rovati; Francesco Pilati
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Paper Abstract

The design and realization of an optical sensor for measuring haematic pH during extracorporeal circulation is presented. It consists of a chemical sensing element in contact with the blood, an interrogation optical head to externally probe the sensing element and the front-end electronics to acquire and process the information of interest. The fluorescein O-methacrylate 97% is used as the indicator. The developed system has been tested in-vitro and on an in-vivo animal model. It showed a linear behavior in the haematic range of interest with a mean error lower than 0.01 units of pH.

Paper Details

Date Published: 28 February 2012
PDF: 8 pages
Proc. SPIE 8214, Advanced Biomedical and Clinical Diagnostic Systems X, 82140E (28 February 2012); doi: 10.1117/12.906562
Show Author Affiliations
Luca Ferrari, Univ. degli Studi di Modena e Reggio Emilia (Italy)
Paola Fabbri, Univ. degli Studi di Modena e Reggio Emilia (Italy)
Luigi Rovati, Univ. degli Studi di Modena e Reggio Emilia (Italy)
Francesco Pilati, Univ. degli Studi di Modena e Reggio Emilia (Italy)


Published in SPIE Proceedings Vol. 8214:
Advanced Biomedical and Clinical Diagnostic Systems X
Tuan Vo-Dinh; Anita Mahadevan-Jansen; Warren S. Grundfest, Editor(s)

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