5 Result(s)
-
Article
Foam behavior of biological media
Potato protein liquor (PPL)+glucose solutions were heat treated and sterilized in the absence and presence of an antifoam agent at temperatures between 80 and 120 °C for a period of 5.0 s to 30 min. The foamin...
-
Article
Reactive extraction of penicillin G in a pilot plant Karr-column
Penicillin G was extracted from a model medium with a secondary amine (Amberlite LA-2) as carrier in n-butylacetate as solvent in a 7.6 m high pilot plant Karr-column at different stroke frequencies, throughpu...
-
Article
Reactive extraction of penicillin G in a pilot plant Karr-column II. Fermentation broths
Penicillin G was extracted from mycelfree fermentation broths by means of the carrier (Amberlite LA-2) in n-butylacetate at pH 5 in a 7.6 m high pilot plant Karr-column with degrees of extraction E=98–99% and ...
-
Article
Reactive extraction of penicillin G in a pilot plant Karr-column III. Modelling and simulation of the extraction process
The longitudinal concentration profiles of penicillin the continuous aqueous phase of a pilot plant Karr-column of 7.6 m height was calculated by a mathematic model consisting of reaction rate and cascase mode...
-
Article
Delivery of foreign genes to intact barley cells by high-velocity microprojectiles
Foreign DNA was introduced through the cell walls of intact suspension culture cells of barley (Hordeum vulgare L.) by utilizing the particle acceleration approach. DNA-coated microscopic tungsten particles were ...
