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Proceedings Paper

Immunobiosensor for fast detection of bacteria in water using plastic optical fiber (POF) bended
Author(s): Domingos M. C. Rodrigues; Rafaela N. Lopes; Vanessa M. Queiroz; Regina C. S. B. Allil; Marcelo M. Werneck
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Paper Abstract

This paper presents an immunobiosensor of fast response time to detection of bacteria, made by Plastic Optical Fiber. Probes were tested in U-shaped and Meander-shaped to investigate the best sensitivity, accuracy and repeatability. During calibration was used for sucrose solutions refractive index (RI) from 1.33 to 1.39. This is equivalent to IR range of the water and the highest concentration of bacteria, respectively. Immunobiosensor was able to detecting the presence of enteropathogenic Escherichia coli in water from suspensions of different concentrations of 106 and 104 colonies forming units per millilitre (CFU/mL) in twenty minutes.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96342M (28 September 2015); doi: 10.1117/12.2194814
Show Author Affiliations
Domingos M. C. Rodrigues, Univ. Federal do Rio de Janeiro (Brazil)
Rafaela N. Lopes, Univ. Federal do Rio de Janeiro (Brazil)
Vanessa M. Queiroz, Univ. Federal do Rio de Janeiro (Brazil)
Regina C. S. B. Allil, Univ. Federal do Rio de Janeiro (Brazil)
Ctr. Tecnological of Brazilian Army (Brazil)
Marcelo M. Werneck, Univ. Federal do Rio de Janeiro (Brazil)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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