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Bright and Compact Deep Ultraviolet Light Sources for Healthcare and Industry

Project description

Shedding light on new germicidal technology

Antimicrobial resistance (AMR) is the ability of microorganisms to resist antimicrobial treatments, especially antibiotics. AMR is responsible for an estimated 33 000 deaths per year in the EU. It is also estimated that AMR amounts to EUR 1.5 billion per year in healthcare costs and productivity losses. According to the EU-funded ULIGHT project, there is a need to develop new technologies to target pathogens without antibiotics. One such technology involves the germicidal properties of ultraviolet light from lamps. It has been shown that short wavelength deep ultraviolet light (DUVL), such as 207 nm, can kill germs while limiting mutagenic effects. The aim of this project is to provide compact, robust, bright and low-cost DUVL sources for delivery to confined regions of the body to safely eliminate pathogens.

Objective

We will use a new class of deep ultraviolet light source to address the biggest challenge facing modern medicine: the emergence of antimicrobial resistance (AMR): the resistance of bacteria (so-called “super bugs”) to anti-biotics. AMR is anticipated to cause 10 million deaths annually by 2050. The golden era of antibiotics is over, and the antibiotic pipeline is failing. We need to develop new technologies to target pathogens without antibiotics and to which pathogens cannot develop resistance.

The germicidal properties of ultraviolet light (wavelength around 254 nm) from lamps are well established. Unfortunately, this wavelength is mutagenic to human cells and unsuitable for therapy. However, it has recently been shown that shorter-wavelength deep ultraviolet light (DUVL), such as 207 nm light, maintains germicidal efficacy while limiting mutagenic effects.

While there are existing ways to generate DUVL, they all fail to meet the constraints that must be met for ubiquitous clinical use: compact size, low cost, long lifetime, high robustness and no need for serviceability.

During my ERC Starting Grant project I developed a new route to create high brightness DUVL sources. In this project we will demonstrate the Proof of Concept of a business providing compact, robust, bright and low-cost DUVL sources—based on a down-scaling of my Starting Grant technology—for delivery to confined regions of the body for safe (non-mutagenic to human cells) killing of pathogens.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

ERC-POC-LS - ERC Proof of Concept Lump Sum Pilot

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Call for proposal

(opens in new window) ERC-2019-PoC

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Host institution

HERIOT-WATT UNIVERSITY
Net EU contribution
€ 150 000,00
Address
RICCARTON
EH14 4AS Edinburgh
United Kingdom
Region
Scotland Eastern Scotland Edinburgh
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Beneficiaries (1)