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Video of paper-based bioluminescence detection (Wyss Institute)

"If the sample contains the RNA of the Zika virus, the test area turns purple."

https://www.eurekalert.org/pub_releases/2016-05/uot-rld05061...

An alternative: "Anitoa systems, a Silicon Valley biotech company has demonstrated a solution for rapid on-site nucleic acid test of the 2019 novel coronavirus (2019-nCoV). Anita combines a high performance ultra-portable Real Time Polymerase Chain Reaction (qPCR) instrument called Maverick, with an innovative “one-step” reverse transcription qPCR (RT-qPCR) reagent for testing 2019-nCoV."

http://www.anitoa.com/docs/press-ncov.pdf

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