While I haven't read it completely, it sounds similar to this from Sanofi: appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=1&f=G&l=50&d=PG01&s1=%22quantum+dot%22&s2=%22lateral+flow%22&co1=AND&p=1&OS=%22quantum+dot%22+AND+%22lateral+flow%22+AND+%22rapid+test%22+AND+%22quantitative%22+AND+%22blood%22+AND+%22covid19%22&RS=%22quantum+dot%22+AND+%22lateral+flow%22 LATERAL FLOW IMMUNOASSAY STRIP DEVICE It mentions a commercial reader from https://www.chembiogermany.de/en opTricon GmbH .