TY - GEN
T1 - Optical cavity fibre sensor for detection of Microcystin-LR in water
AU - Queirós, Raquel B.
AU - Silva, Susana Oliveira
AU - Sales, Maria Goreti Ferreira
AU - Noronha, João Paulo
AU - Frazão, Orlando
AU - Jorge, Pedro Alberto Da Silva
AU - Aguilar, Gerardo González
PY - 2010
Y1 - 2010
N2 - The deterioration of water quality by Cyanobacteria causes outbreaks and epidemics associated with harmful diseases in Humans and animals because of the released toxins. Microcystin-LR (mcyst) is one of the most widely studied hepatotoxin and World Health Organization recommends a maximum value of 1 μg L-1 of mcyst in drinking-water. Therefore, there is a great demand for remote, real-time sensing techniques to detect and quantify the presence of mcyst. In this work a Fabry-Perot sensing probe based on a fibre tip coated with a mcyst sensitive thin film is presented. Highly specific recognition membranes, using sol-gel based Molecular Imprinted Polymers (MIPs), were developed to quantify microcystins in water, showing great potential in the analysis of this kind of samples. The fibre Fabry-Pérot MIP sensor shows a linear response to mcyst concentration with a sensitivity of - 13.2 ± 0.4 nm L μg-1.
AB - The deterioration of water quality by Cyanobacteria causes outbreaks and epidemics associated with harmful diseases in Humans and animals because of the released toxins. Microcystin-LR (mcyst) is one of the most widely studied hepatotoxin and World Health Organization recommends a maximum value of 1 μg L-1 of mcyst in drinking-water. Therefore, there is a great demand for remote, real-time sensing techniques to detect and quantify the presence of mcyst. In this work a Fabry-Perot sensing probe based on a fibre tip coated with a mcyst sensitive thin film is presented. Highly specific recognition membranes, using sol-gel based Molecular Imprinted Polymers (MIPs), were developed to quantify microcystins in water, showing great potential in the analysis of this kind of samples. The fibre Fabry-Pérot MIP sensor shows a linear response to mcyst concentration with a sensitivity of - 13.2 ± 0.4 nm L μg-1.
KW - Fabry-pé
KW - Microcystin-LR
KW - Molecular imprinting
KW - Rot interferometer
UR - http://www.scopus.com/inward/record.url?scp=77957841008&partnerID=8YFLogxK
U2 - 10.1117/12.865004
DO - 10.1117/12.865004
M3 - Conference contribution
AN - SCOPUS:77957841008
SN - 9780819480835
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Fourth European Workshop on Optical Fibre Sensors
PB - SPIE-International Society for Optical Engineering
T2 - 4th European Workshop on Optical Fibre Sensors
Y2 - 8 September 2010 through 10 September 2010
ER -