000909544 001__ 909544
000909544 005__ 20220914142844.0
000909544 0247_ $$2Handle$$a2128/31828
000909544 037__ $$aFZJ-2022-03233
000909544 041__ $$aEnglish
000909544 1001_ $$0P:(DE-HGF)0$$aGroße, David$$b0$$eCorresponding author
000909544 245__ $$aCulture optimization and characterization of three Porphyridium strains for valuable compound production$$f- 2022-09-01
000909544 260__ $$c2022
000909544 300__ $$a23
000909544 3367_ $$2DRIVER$$abachelorThesis
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000909544 502__ $$aBachelorarbeit, FH Aachen, 2022$$bBachelorarbeit$$cFH Aachen$$d2022
000909544 520__ $$aThe optimal conditions to maximize phycoerythrin- (PE) and exopolysaccharide (EPS)production in the three photoautotrophic red marine microalgal strains of Porphyridiumpurpureum (SAG 1380-la & -ld) and cruentum (UTEX 161) were researched. Design ofexperiment software (DoE) was used in planning and evaluation. Dependencies were foundbetween light intensity, nitrogen and magnesium concentrations, and the resulting PE andEPS productivities. The maximal PE productivity (4,96 μg mL-1d-1) was found in P.purpureum SAG 1380-ld. Contrasting, the highest EPS productivity (5,75 g L-1 d- 1) wasfound in P. purpureum SAG 1380-la. However, optimization efforts in EPS productionremained due to low dependencies under tested growth conditions. The optimal productinducing conditions for all strains were identified at ~40μmol photon m-2 s- 1and 9-15 mMnitrogen. The optimal magnesium concentration ranged between 5, 38 and 45 mM for UTEX161, SAG 1380-la and -ld, respectively. The pilot scale cultivation under greenhouseconditions could not be finished, because of temperature stress during the cultivation.
000909544 536__ $$0G:(DE-HGF)POF4-2171$$a2171 - Biological and environmental resources for sustainable use (POF4-217)$$cPOF4-217$$fPOF IV$$x0
000909544 8564_ $$uhttps://juser.fz-juelich.de/record/909544/files/Bachelor_Gro%C3%9Fe.pdf$$yOpenAccess
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000909544 9141_ $$y2022
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000909544 920__ $$lyes
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