A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

Sanket  Bohora; Kezheng Li; Prashant Waiba; Sishir Gautam; Augusto Martins; Ricardo A. Rodrigues; Peter Kikstra; Marcel van der Horst; Emiliano R. Martins; Thomas F. Krauss; Ashim Dhakal

doi:10.1364/CLEO_AT.2022.AM5M.8

A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

Sanket Bohora
, Kezheng Li
, Prashant Waiba
, Sishir Gautam
, Augusto Martins
, Ricardo A. Rodrigues
, Peter Kikstra
, Marcel van der Horst
, Emiliano R. Martins
, Thomas F. Krauss
, Ashim Dhakal

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like fluorescence.

Original language	English
Title of host publication	Proceedings Conference on Lasers and Electro-Optics 2022
Place of Publication	Washington, DC
Publisher	Optica Publishing Group
Number of pages	2
DOIs	https://doi.org/10.1364/CLEO_AT.2022.AM5M.8
Publication status	Published - 15 May 2022
Event	Conference on Lasers and Electro-Optics 2022: Applications and Technology - San Jose, United States Duration: 15 May 2022 → 20 May 2022

Publication series

Name	Technical Digest Series

Conference

Conference	Conference on Lasers and Electro-Optics 2022
Abbreviated title	CLEO: 2022
Country/Territory	United States
City	San Jose
Period	15/05/22 → 20/05/22

Funding

Acknowledgement: This work is supported by the GCRF/EPSRC under Grant EP/T020008/1, the FAPESP under Grant #2020/00619-4, and partially supported by TWAS/SIDA/UNESCO under Grant 18-013 RG/PHYS/AS_I. We also thank the Diyalo Foundation for coordinating discussions on the amplifier design.

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Bohora, S., Li, K., Waiba, P., Gautam, S., Martins, A., Rodrigues, R. A., Kikstra, P., van der Horst, M., Martins, E. R., Krauss, T. F., & Dhakal, A. (2022). A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime. In Proceedings Conference on Lasers and Electro-Optics 2022 Article AM5M.8 (Technical Digest Series). Optica Publishing Group. https://doi.org/10.1364/CLEO_AT.2022.AM5M.8

@inproceedings{85344347acce44bb81962d81b5124751,

title = "A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime",

abstract = "We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like fluorescence. ",

keywords = "Tryptophan-like fluorescence, fecal contamination, low-cost fluorometer, low-cost electronics",

author = "Sanket Bohora and Kezheng Li and Prashant Waiba and Sishir Gautam and Augusto Martins and Rodrigues, \{Ricardo A.\} and Peter Kikstra and \{van der Horst\}, Marcel and Martins, \{Emiliano R.\} and Krauss, \{Thomas F.\} and Ashim Dhakal",

year = "2022",

month = may,

day = "15",

doi = "10.1364/CLEO\_AT.2022.AM5M.8",

language = "English",

series = "Technical Digest Series",

publisher = "Optica Publishing Group",

booktitle = "Proceedings Conference on Lasers and Electro-Optics 2022",

note = "Conference on Lasers and Electro-Optics 2022 : Applications and Technology, CLEO: 2022 ; Conference date: 15-05-2022 Through 20-05-2022",

}

Bohora, S, Li, K, Waiba, P, Gautam, S, Martins, A, Rodrigues, RA, Kikstra, P, van der Horst, M, Martins, ER, Krauss, TF & Dhakal, A 2022, A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime. in Proceedings Conference on Lasers and Electro-Optics 2022., AM5M.8, Technical Digest Series, Optica Publishing Group, Washington, DC , Conference on Lasers and Electro-Optics 2022, San Jose, United States, 15/05/22. https://doi.org/10.1364/CLEO_AT.2022.AM5M.8

A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime. / Bohora, Sanket ; Li, Kezheng; Waiba, Prashant et al.
Proceedings Conference on Lasers and Electro-Optics 2022. Washington, DC : Optica Publishing Group, 2022. AM5M.8 (Technical Digest Series).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

TY - GEN

T1 - A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

AU - Bohora, Sanket

AU - Li, Kezheng

AU - Waiba, Prashant

AU - Gautam, Sishir

AU - Martins, Augusto

AU - Rodrigues, Ricardo A.

AU - Kikstra, Peter

AU - van der Horst, Marcel

AU - Martins, Emiliano R.

AU - Krauss, Thomas F.

AU - Dhakal, Ashim

PY - 2022/5/15

Y1 - 2022/5/15

N2 - We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like fluorescence.

AB - We report the detection of tryptophan at sub-ppb levels for a fluorometer based on Fresnel lenses and low-cost electronics. These fluorometers can be used to detect fecal contamination in drinking water, indicated by tryptophan-like fluorescence.

KW - Tryptophan-like fluorescence

KW - fecal contamination

KW - low-cost fluorometer

KW - low-cost electronics

U2 - 10.1364/CLEO_AT.2022.AM5M.8

DO - 10.1364/CLEO_AT.2022.AM5M.8

M3 - Conference contribution

T3 - Technical Digest Series

BT - Proceedings Conference on Lasers and Electro-Optics 2022

PB - Optica Publishing Group

CY - Washington, DC

T2 - Conference on Lasers and Electro-Optics 2022

Y2 - 15 May 2022 through 20 May 2022

ER -

A Low-cost Fresnel Lens Fluorometer to Detect Fecal Contamination in Drinking Water in Realtime

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