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Introduction

Lupe

 

Robotics and automation play an important role in biotechnology to handle the ever growing amount of samples and compounds that need to be analyzed. The ability to conduct large screenings with minimal requirements is a key prerequisite in modern bioprocess development. Combined with the emerging sensor and analytics technology these experiments are capable to generate large amounts of data promoting a better understanding, monitor and control of cultivations if handled properly. Finally, we should take process dynamics into account already at early developmental stages in order to speed up times from product to market.

It is therefore necessary to apply mathematical methods for noise filtering, data correlation and model reduction to handle the measurements and extract the contained information. Furthermore, the optimal operation of such complex dynamical and highly parallelized experiments offer new challenges. The chair for bioprocesses at the TU-Berlin investigates novel methods to the design of automated experiments implementing model-based screening, scale up/down, and operation of the robotic facilities. To achieve this, we focus on tractable dynamical models that are tailored to meet the state of information the experiments and allow an efficient and precise model fitting.

Finally, optimal high throughput screening strategies are selected with optimal experimental design methods. Dynamical optimization programs search for the set of parallel experiments which maximize the information content obtainable with the mini-bioreactor parallel setting.

Current activities focus on the development and implementation of scale-down experiments in 24 bioreactors in parallel. Optimal Screening Design for Knock Out strain selection, and Adaptive Structure Models for Yeast 48 parallel cultivations among others.

 

SWORD Videoabstract

B&B: Online optimal experimental re-design in robotic parallel fed-batch cultivation facilities

 

 

 

Projects

  • LEANPROT

    Many native proteins in the genome of Escherichia coli could be considered unnecessary for industrial process conditions. It is the aim to identify and removed by an iterative process of protein identification of modelling and biological experiments.

LEANPROT
  • Bio-Rapid

    The Rapid Bioprocess Development (with nine European academic and industrial partners) addresses the area of rapid development of novel bioactive molecules from the very early stages of potency and efficacy testing to the biomanufacturing process characterisation and effective monitoring.

 

BioRAPID

  • Modelling of enzymatic cascade reactions

    In this project, the High Throughput Bioprocess Development Team joined forces with two industry partners, DexLeChem GmbH and BioNukleo GmbH, to generate a dynamical model that describes the nucleoside phosphorilase reaction based on a two step reversible michaelis menten reaction. This mechanistic model can be used to find the best enzyme substrate pair and optimize conditions of the reaction.

mecr   mecr   mecr

 

yeast  

 

 

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Group leader

Dr.-Ing. M. Nicolas Cruz-Bournazou

Chair of Bioprocess Engineering
sec. ACK24
Room ACK 261

Phone: +49 30 314 72527
Sec.: +49 30 314 72626
Fax: +49 30 314 27577