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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