Rocha, R., Santos, R. S., Madureira, P., Almeida, C., & Azevedo, N. F. (2016). Optimization of peptide nucleic acid fluorescence in situ hybridization (PNA-FISH) for the detection of bacteria: The effect of pH, dextran sulfate and probe concentration. Journal of Biotechnology, 226, 1 - 7.