I feel like this is still a huge work in progress, where its only theoretical that'll it will fight Cancer and HIV, with only a 20% chande or something. Not hating, just being skeptical. Its awesome if this is entirely true.
I'm not sure about this specific device, but I know of similar ones that use space division multiplexing, gold nanowires conjugated with antisense oligonucleotide probes, and ruthenium cations for electrical amplification. Another system I'm familiar with uses a reaction chamber and microfluidics to perform rapid cycle quantitative PCR and frequency division multiplexing to discriminate sequences from different pathogens. A third micro/nanotech that you may find interesting utilizes transgenic B lymphocytes with a recombinant photoprotein that fluoresces upon calcium cation-induced excitation resultant from epitope binding-effectuated cell signalling cascades.
If you want me to explain one or more of those systems in more detail with less technish, I would be happy to. Sometimes I forget what is common knowledge and what is esoteric knowledge. Comments just don't have enough space, so I gave a concise description of a few cool related technologies. Or make a "Chat" so I don't flood this post, even if it is all related.
It CAN cost a penny to make. AFTER the investment in the initial capital needed to produce them en masse and ONLY if you make enough of them to take advantage of economy of scale.
So whenever you go on the bar, you know who you should not hook up