Pathogen detection using evanescent-wave fiber optic biosensor

Aldo Pacheco Ferreira; Marcelo Martins Werneck; R. M. Ribeiro; U. G.C. Lins

doi:10.1117/12.354802

19 July 1999 Pathogen detection using evanescent-wave fiber optic biosensor

Aldo Pacheco Ferreira, Marcelo Martins Werneck, R. M. Ribeiro, U. G.C. Lins

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354802
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

This paper describes a real time optical biosensor that utilizes the evanescent field technique for monitoring microorganisms in hospital environment. The biosensor monitors interactions between the analytic (bacteria) and the evanescent field of an optical fiber passing through the culture media where the bacteria grows. The objective is to monitor atmospheres in hospital areas for the Staphylococcus aureus and Streptococcus pneumonia. The results lead us the conclusion that this kind of sensor presents quick response, good performance, easy of construction and low cost. We expect that the sensor will be of great help in controlling the hospital environment.

Citation Download Citation

Aldo Pacheco Ferreira, Marcelo Martins Werneck, R. M. Ribeiro, and U. G.C. Lins "Pathogen detection using evanescent-wave fiber optic biosensor", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354802

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