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Forschungszentrum Juelich GmbH

2 ARTICLES PUBLISHED IN JoVE

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Bioengineering

Microfluidic Picoliter Bioreactor for Microbial Single-cell Analysis: Fabrication, System Setup, and Operation
Alexander Gruenberger 1, Christopher Probst 1, Antonia Heyer 1, Wolfgang Wiechert 1, Julia Frunzke 1, Dietrich Kohlheyer 1
1Institute of Bio- and Geosciences, IBG-1: Biotechnology, Forschungszentrum Juelich GmbH

In this protocol the fabrication, setup and basic operation of a microfluidic picoliter bioreactor (PLBR) for single-cell analysis of prokaryotic microorganisms is introduced. Industrially relevant microorganisms were analyzed as proof of principle allowing insights into growth rate, morphology, and phenotypic heterogeneity over certain time periods, hardly possible with conventional methods.

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Bioengineering

Generic Protocol for Optimization of Heterologous Protein Production Using Automated Microbioreactor Technology
Johannes Hemmerich *1,2, Lars Freier *1,2, Wolfgang Wiechert 1,2,3, Eric von Lieres 1,2, Marco Oldiges 1,2,4
1IBG-1: Biotechnology, Forschungszentrum Jülich, 2Research Center Jülich, Bioeconomy Science Center (BioSC), 3Computational Systems Biotechnology (AVT.CSB), RWTH Aachen University, 4Institute for Biotechnology, RWTH Aachen University

This manuscript describes a generic approach for tailor-made design of microbial cultivation media. This is enabled by an iterative workflow combining Kriging-based experimental design and microbioreactor technology for sufficient cultivation throughput, which is supported by lab robotics to increase reliability and speed in liquid handling media preparation.

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