Comparison of mixed cultures based on activity

Munruk Tuntoolavest, William D. Burgos

Research output: Contribution to journalArticlepeer-review


Biodegradation experiments using mixed bacterial cultures are difficult to compare because repeatable rates may not be produced in different experiments when cultures are normalized on a cell mass or number basis. A technique was therefore developed to quantify [14C]substrate-specific biodegradation activity of mixed cultures. The technique can be used to obtain a preliminary estimate of the substrate-degrading activity of a culture for more substantial experiments. The technique is applied to 1-naphthol-humic acid bioavailability experiments using both mixed and pure cultures to help isolate the impact of humic acid from differences between the cultures.

Original languageEnglish (US)
Pages (from-to)1064-1066
Number of pages3
JournalJournal of Environmental Engineering
Issue number11
StatePublished - Nov 2000

All Science Journal Classification (ASJC) codes

  • General Environmental Science
  • Environmental Engineering
  • Environmental Chemistry
  • Civil and Structural Engineering


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