D
Doris Hahn
Researcher at Forschungszentrum Jülich
Publications - 6
Citations - 189
Doris Hahn is an academic researcher from Forschungszentrum Jülich. The author has contributed to research in topics: Biocatalysis & Enantiomeric excess. The author has an hindex of 6, co-authored 6 publications receiving 155 citations.
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Journal ArticleDOI
Catalytically active inclusion bodies of L-lysine decarboxylase from E. coli for 1,5-diaminopentane production
Ramona Kloss,Michael H. Limberg,Ursula Mackfeld,Doris Hahn,Alexander Grünberger,Alexander Grünberger,Vera D. Jäger,Ulrich Krauss,Ulrich Krauss,Marco Oldiges,Marco Oldiges,Martina Pohl +11 more
TL;DR: The new process for DAP production using catalytically active inclusion bodies of the constitutive L-lysine decarboxylase from E. coli can compete with the currently best fermentative process as described in the literature.
Journal ArticleDOI
Continuous production of erythrulose using transketolase in a membrane reactor
TL;DR: An enzyme membrane reactor allows the continuous production of L-erythrulose with high conversion and stable operational points and a productivity of 45g L d was reached.
Journal ArticleDOI
Tailoring the properties of (catalytically)-active inclusion bodies.
Vera D. Jäger,Vera D. Jäger,Ramona Kloss,Alexander Grünberger,Alexander Grünberger,Selina Seide,Doris Hahn,Tobias Karmainski,M. Piqueray,J. Embruch,S. Longerich,Ursula Mackfeld,Karl-Erich Jaeger,Karl-Erich Jaeger,Wolfgang Wiechert,Martina Pohl,Ulrich Krauss,Ulrich Krauss +17 more
TL;DR: It is demonstrated that the CatIB/FIB formation efficiency appears to be correlated to the solvent-accessible hydrophobic surface area of the target protein, providing a structure-based rationale for the strategy and opening up the possibility to predict its efficiency for any given target protein.
Journal ArticleDOI
Tailor-made catalytically active inclusion bodies for different applications in biocatalysis
Ramona Kloss,Tobias Karmainski,Vera D. Jäger,Vera D. Jäger,Doris Hahn,Alexander Grünberger,Alexander Grünberger,Meike Baumgart,Ulrich Krauss,Ulrich Krauss,Karl-Erich Jaeger,Karl-Erich Jaeger,Wolfgang Wiechert,Martina Pohl +13 more
TL;DR: The CatIB properties can be tailored to the requirements of different reaction systems using two different coiled-coil domains as fusion tags: TDoT and 3HAMP and two different kinds of PfBAL-CatIBs were successfully produced.
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Biocatalytic production of enantiopure cyclohexane-trans-1,2-diol using extracellular lipases from Bacillus subtilis.
Jean Detry,Thorsten Rosenbaum,Stephan Lütz,Doris Hahn,Karl-Erich Jaeger,Michael Müller,Michael Müller,Thorsten Eggert +7 more
TL;DR: Two extracellular lipases from Bacillus subtilis have been expressed in the heterologous host Escherichia coli, biochemically characterized and used for the kinetic resolution of (rac)-trans-1,2-diacetoxycyclohexane.