In-situ tryptophan-like fluorescence: A real-time indicator of faecal contamination in drinking water supplies.

@article{Sorensen2015InsituTF,
  title={In-situ tryptophan-like fluorescence: A real-time indicator of faecal contamination in drinking water supplies.},
  author={James P. R. Sorensen and Dan J. Lapworth and Ben Paul Marchant and D. C. W. Nkhuwa and Stephen Pedley and Marianne E Stuart and Roger A. Bell and Maureen Leah Chirwa and J Kabika and M Liemisa and Moses Chibesa},
  journal={Water research},
  year={2015},
  volume={81},
  pages={38-46}
}
Enteric pathogens are typically inferred from the presence of surrogate indicator organisms such as thermotolerant (faecal) coliforms (TTCs). The analysis of TTCs requires time-consuming incubation in suitable laboratories, which can limit sampling resolution, particularly during critical pollution events. Here, we demonstrate the use of in-situ fluorimeters targeting tryptophan-like compounds as a rapid, reagentless indicator of TTCs in groundwater-derived potable water supplies in Africa. A… CONTINUE READING
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