NQO1 and cancer: Thus, near-infrared and infrared (NIR/IR) fluorescence probes have been developed for the detection of cancer biomarkers, including Ɣ-glutamyltransferase [120], β-galactosidase [121], nitroreductase [122], N-aminopeptidase [123], alkaline phosphatase [124], azoreductase [125], tyrosinase [126] and cathepsins [127].