Figure 1From: Oxygen transfer rate during the production of alginate by Azotobacter vinelandii under oxygen-limited and non oxygen-limited conditionsDissolved oxygen tension profiles of the cultures of Azotobacter vinelandii grown in a 3.0 L bioreactor using an airflow rate of 1.0 L min-1 at different agitation rate: (a) 700 rpm and (b) 300 rpm.Back to article page