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I always want to have the double shot PBT keycaps from Tai-Hao. The nano antibios coating turned me away every time. Until the coating is totally removed, I will hold tight of my wallet. Why Tai-Hao is so stubborn or stupid is beyond my understanding.
I wondered the same but heard it is because the bulk of their sales are in supply to Chinese internet cafes thus the coating, how true it is I don't know. What gets me is not many antibac coatings work the right way, they kill off harmless stuff occupying a niche that most nastier stuff can't get a foothold in unless you kill off all the harmless competitors with antibac products.
Source? This smells pretty strongly of pseudo science
source = degree in biochem, although I work in different field now friends still in biochem/molecular bio and microbio disciplines confirm the same and are all prone to rants about antibac soap etc etc. Out of the stuff I'd plated up and tested myself the only stuff that seriously inhibited the growth isn't something you want on keys or in concentration you'd need. In some niches these things work like metal particles in some wound dressings etc but the keyboard, surface cleaners etc is all a marketing gimmick. Actually is is real relief to see someone doubt my comment, no references and not the place for page and pages of info so still don't trust me on it, just use as excuse to go away and read properly published literature (eg. not random blogs) before trusting me. Sadly too many people take comments from anyway (eg. random bloke on group buy sales site) as gospel and soooo much tripe gets perpetuated that way.
yeah that is one of the reasons but few other why it is bad idea. For a start stuff like Serratia could quite easily end up on hands and occassionally causes problems BUT a lot pass on resistance through plasmid not nuclear dna so it can be shared with other species not just strains of same species so could pass on resistance to something much much worse. Also as well as environmental effects and bioaccumulation in humans (direct or indirect through food chain links etc) there is the fact it leads to less minor immune stimulation, opens up niche for stuff that normally cannot compete as mentioned already. There are more reasons but I'll stop before rant too much. There are zero studies on the safety of it and makers prob don't even know what is in it and legislation on such things in China is sketchy and there has been soooo many incidents recently never mind the milk spiking ages ago ref'd in the comments.
TL DR they shouldn't put this stuff on for the intended market never mind niche Western markets. Educating people on washing their hands and good hygenie would be more effective.