Hello Scientific World,

I am working on host-microbe interaction specifically bacterial stimulation of macrophages. In my in vitro experiments, I would like to use dead but intact bacteria to trigger macros i.e. exploiting only Microbe-associated molecular patterns (MAMPs) on surface.

My 96-well plate assays demand a method of inactivating bacteria that is time-efficient and highly parallel.

Which method works better in such a case ?

  • Heat-killing: I have tried in E. coli and it works but this would mean I have to try it for all my bugs, this makes it time-taking P.S. I have at least 100 isolates to try.
  • 4% PFA fixation: I have heard some concerns about this method. I know its a very efficient method to fix bacteria but what is the catch?
  • I would be really grateful for any incoming suggestions,

    Thanks

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