Below are product reference and article links if you choose to pursue this route:
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https://www.digikey.com/en/articles/ultraviolet-radiation-attributes-and-benefits
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https://www.digikey.com/en/product-highlight/c/cel/uv-c-leds-for-sterilization
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https://www.digikey.com/en/product-highlight/v/vishay-semi-opto/vlmu35cm-mid-power-uvc-led
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https://www.digikey.com/en/product-highlight/r/rayvio/xr-uv-leds
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https://www.digikey.com/en/product-highlight/r/rayvio/xp-series-uv-emitter