Abstract:
:Legionella and amebae populations in 16 cooling towers were challenged with three commercially available biocide formulations. The active agents were: a chlorinated phenolic thioether (CPTE), bromo-nitro-propane-diol (BNPD), and bromo-chloro-dimethylhydantoin (BCD, in briquette form). The towers were dosed with these biocides for approximately 4 weeks. BCD was effective against Legionella in each of nine challenge experiments, and CPTE in eight of nine challenges. BNPD was effective in only five of 11 challenges. None of the biocides had any significant effect in reducing planktonic amebae concentrations during the challenges.
journal_name
Curr Microbioljournal_title
Current microbiologyauthors
Bentham RH,Broadbent CRdoi
10.1007/BF00296203subject
Has Abstractpub_date
1995-03-01 00:00:00pages
167-72issue
3eissn
0343-8651issn
1432-0991journal_volume
30pub_type
杂志文章abstract::A broad-host-range vector that expresses a unique artificial RNA in Pseudomonas putida has been developed. This vector was derived from the plasmid pBBR1MCS and incorporates regulatory regions from the Escherichia coli ribosomal operon, rrnB. These include the promoters P1 and P2, and the terminators T1 and T2. The ge...
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