Karl Friehs

发表

A machine vision system for automated non-invasive assessment of cell viability via dark field microscopy, wavelet feature selection and classification

Tim W. Nattkemper, Ning Wei, Erwin Flaschel, 2008, BMC Bioinformatics.

A feedforward-feedback substrate controller based on a Kalman filter for a fed-batch cultivation of Escherichia coli producing phytase

Jorge O. Trierweiler, M. Arndt, Erwin Flaschel, 2005, Comput. Chem. Eng..

Improvement of a synthetic medium for Dictyostelium discoideum

Karl Friehs, Erwin Flaschel, K. Friehs, 2004 .

Influence of medium composition on growth behaviour of Dictyostelium discoideum for cultivation on axenic media

Karl Friehs, Erwin Flaschel, K. Friehs, 2003 .

Extracellular recombinant protein production under continuous culture conditions with Escherichia coli using an alternative plasmid selection mechanism

Karl Friehs, Erwin Flaschel, K. Friehs, 2014, Bioprocess and Biosystems Engineering.

Multiple model approach to modelling of Escherichia coli fed-batch cultivation extracellular production of bacterial phytase

Olympia Roeva, Stoyan Tzonkov, Tania Pencheva, 2007 .

In situ dark field microscopy for on-line monitoring of yeast cultures

Tim Wilhelm Nattkemper, Karl Friehs, Erwin Flaschel, 2007, Biotechnology Letters.

Fermentative production of L-pipecolic acid from glucose and alternative carbon sources.

Karl Friehs, Fernando Pérez-García, V. Wendisch, 2017, Biotechnology journal.

Perceiving molecular evolution processes in Escherichia coli by comprehensive metabolite and gene expression profiling

Karsten Niehaus, Anke Becker, Karl Friehs, 2008, Genome Biology.

The plasticity of global proteome and genome expression analyzed in closely related W3110 and MG1655 strains of a well-studied model organism, Escherichia coli-K12.

Karsten Niehaus, Karl Friehs, Tino Polen, 2007, Journal of biotechnology.

Libraries of synthetic stationary-phase and stress promoters as a tool for fine-tuning of expression of recombinant proteins in Escherichia coli.

Axel Saalbach, Thorsten Twellmann, Tim W Nattkemper, 2005, Journal of biotechnology.

An in situ probe for on‐line monitoring of cell density and viability on the basis of dark field microscopy in conjunction with image processing and supervised machine learning

Tim Wilhelm Nattkemper, Karl Friehs, Erwin Flaschel, 2007, Biotechnology and bioengineering.

Non-canonical integration events in Pichia pastoris encountered during standard transformation analysed with genome sequencing

Karl Friehs, Jörn Kalinowski, Daniel Wibberg, 2016, Scientific Reports.

Secretion of recombinant proteins from E. coli

Karl Friehs, K. Friehs, Joe Max Risse, 2018, Engineering in life sciences.