| 摘要 |
<p>The present invention concerns improvements in and relating to antimicrobial preservative efficacy testing (AET) and in a first aspect provides a system for antimicrobial preservative efficacy testing comprising a biosensor incorporating at least one microbial strain selected from the group of micro-organisms comprising a regulatory recognised key micro-organism for preservative efficacy testing, the micro-organism being engineered to have a constitutive promoter linked to a lux or luc gene cassette to produce a specific detectable signal reporting the viability of the micro-organism.</p> |
