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By Damià Barceló (ed.), Peter-Diedrich Hansen (ed.)

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Extra resources for Biosensors for the Environmental Monitoring of Aquatic Systems: Indicator Assays and Chemical Methods for Endocrine Disrupting Compounds in Wastewaters

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Screen-printed electrodes also have been extensively used. An example is the system developed by Fahnrich et al. [47] for the detection of polycyclic aromatic hydrocarbons (PAHs). Moore et al. [31] described the development of a biosensor for the quantitative detection of 2,4,6-trichloroanisole. Another configuration used in electrochemical immunosensors for environmental analysis has been based on the use of recombinant single-chain antibody (scAb) fragments, this approach was used for atrazine determination [66].

Sens Actuators B Chem 92:151–158 14. Luppa PB, Sokoll LJ, Chan DW (2001) Immunosensors – Principles and applications to clinical chemistry. Clin Chim Acta 314:1–26 15. Tschmelak J, Proll G, Riedt J, Kaiser J, Kraemmer P, rzaga L, Wilkinson JS, Hua P, Hole JP, Nudd R, Jackson M, Abuknesha R, Barcelo D, Rodriguez-Mozaz S, Alda MJLD, Sacher F, Stien J, Slobodnik J, Oswald P, Kozmenko H, Korenkova? thova? L, Krascsenits Z, Gauglitz G (2005b) Automated Water Analyser Computer Supported System (AWACSS) Part I: Project objectives, basic technology, immunoassay development, software design and networking.

Amperometric biosensors based on genetically engineered Moraxella sp. and P. putida with surface-expressed organophosphorus hydrolase (OPH) have been developed by Lei at al. [119] for the detection of organophosphorus pesticides. The biosensor consisted of recombinant PNP-degrading/oxidizing bacteria P. putida JS444, and under the optimum operating conditions, the biosensor was able to measure as low as 55 ppb of paraxon and 53 ppb of met. Recently, a novel single-walled carbon nanotube-based biosensor for real-time detection of organophosphate has been developed by Liu [43].

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