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Details of Grant 

EPSRC Reference: EP/T020008/1
Title: Metalens fluorometer to assess drinking water in Nepal
Principal Investigator: Krauss, Professor T
Other Investigators:
Dhakal, Dr A
Researcher Co-Investigators:
Project Partners:
Research Institute for Biosci and Biotec Tarakeshwor Municipality
Department: Physics
Organisation: University of York
Scheme: GCRF (EPSRC)
Starts: 01 April 2020 Ends: 31 March 2022 Value (£): 547,856
EPSRC Research Topic Classifications:
Materials Characterisation Optical Devices & Subsystems
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:
Panel DatePanel NameOutcome
10 Dec 2019 EPSRC Physical Sciences GCRF call 2019-20 Announced
Summary on Grant Application Form
The country of Nepal has major issues with the quality of its drinking water. Tools to assess drinking water quality are too expensive and not available. We will address this problem by developing a handheld fluorometer to detect tryptophan-like fluorescence as a proxy for bacterial contamination in drinking water. Our novel design is intrinsically simple and can be made at low cost. The core of the instrument is a high numerical aperture metalens that maximises collection efficiency and that can be made by nanoimprint lithography. The metalens will be designed to be strongly chromatic such that the images for different wavelengths are laterally displaced, such that emitter and detector can be placed next to one another. We will develop a translation pathway for prototype instruments to be made in Nepal for use in local communities.
Key Findings
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Summary
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Organisation Website: http://www.york.ac.uk