The paper was in the Biosensors and Bioelectronics Journal by , I think, a Russian university. I think they're more interested in an accredited paper than disinformation. This journal is a peer reviewed journal owned by Elsevier, https://www.journals.elsevier.com/biosensors-and-bioelectronics/ .
That's not to say it hasn't been duplicated somewhere else and kept quiet.
PS: I have other issues with the journal being owned by Elsevier.
Journals don't run waste water treatment plants. They don't run cities. They don't run drug enforcement agencies.
College students attempt to make things for the sake of making them. To see if they can, to demonstrate their understanding of concepts, and to demonstrate their ability to make them. They make up uses for their inventions after the fact the same way a porn movie might have a story attached to it, but the porn movie isn't about a pizza delivery. Just because the students said this could be used to catch drug manufacturers does not mean it will ever be sued that way. There are a lot of holes in that story, just like in porn movies.
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