gnotobiotically

/ˌnoʊtoʊbaɪˈɑtɪkli/
adverb
  1. In a way that is free of germs or has only known, controlled microorganisms.
    • The experiment was conducted gnotobiotically to maintain strict control over microbial exposure.
    • The plants were grown gnotobiotically in sealed containers.
    • The animals were raised gnotobiotically to ensure no outside bacteria affected the results.
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