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The paper reports carbon nanotube (CNT)-based immunosensors for the detection of two types of microorganisms, bacteria and viruses. The pathogen Escherichia coli O157:H7 and the bacteriophage T7 were selected as model for bacteria and viruses, respectively, while E. coli K12 and the bacteriophage MS2 were used to assess the selectivity of the biosensor. The transduction element consisted of single-walled...