title: Enhancement of oxygen mass transfer in stirred bioreactors using oxygen-vectors 2. Propionibacterium shermanii broths.
abstract: The previous works on simulated broths are continued and developed for Propionibacterium shermanii broths. The obtained results indicated the considerable increase of kLa in presence of n-dodecane as oxygen-vector and the existence of a certain value of hydrocarbon concentration that corresponds to the maximum mass transfer rate of oxygen. The magnitude of the positive effect of the oxygen-vector strongly depends on operational conditions of the bioreactor, on broth characteristics and on P. shermanii concentration.
authors.affiliation: Faculty of Medical Bioengineering, Department of Biotechnology, University of Medicine and Pharmacy, University Street 16, 6600 Iasi, Romania. galact@from.ro
authors.forename: Anca-Irina
authors.initials: AI
authors.lastname: Galaction
authors.forename: Dan
authors.initials: D
authors.lastname: Cascaval
authors.forename: Marius
authors.initials: M
authors.lastname: Turnea
authors.forename: Elena
authors.initials: E
authors.lastname: Folescu
mesh_terms: D019149:Bioreactors / Q000382:microbiology*; D008962:Models, Theoretical; D010100:Oxygen / Q000378:metabolism*; D010313:Partial Pressure; D011424:Propionibacterium / Q000254:growth & development*
chemical_list: D010100:Oxygen