Team:Bielefeld-Germany/Modell

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Modelling

Contents

Model of a fluidized bed reactor

In our project we plan to construct a fluidized bed reactor, where immobilized laccases degrade synthetic estrogen and other harmful substances. As a small selection we plan to caracterize our different laccases for three estrogens, three analgesics, four PAH´s, one insecticide and three possible redox mediators. If we could model the degradation of one substrate by one Laccase, we could easily replace the specific Kcat/Km quotient for another Laccase andand the amounts oft he other substrates.

We ignore the possible cofactors ABTS, syringaldazine and viuloric acid, because on the one hand thy would cause increase the costs, and one the other hand they are harmful substances too. As shown by Team Substrate Analytic TVEL0 degrades ethinyl estradiol without reox mediator. So the reaction should follow the michaelis menten kinetics.

The reaction

File:Bielefeld2012 MM.png This transformation can be found in "Stryer biochemie". This formula is suitable for very low substrate concentrations. In this case we can estimate the substrate concentrations to [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3345074/table/T5| 1.89 ng L-1].

Our Model with different Kcat KM-1 values

Extend the model with sewageplant data

Sewageplant data from Schlossholte. Temperature minimum: 8.1 °C, maximum: 20,8 °C and average temperature 14.4 °C; pH minimum: 6.6, maximum: 7.2 and average 6.9; flow minimum: 39.2 L s-1, maximum 232.8 L s-1 and avarage 76.8 L s-1


The required enzyme amount for a sewageplant is dependent on Kcat KM-1 and the flow rate



Testing the model

Laborkläranlage

55px Logo merck.jpg BioCircle.JPG Bielefeld2012 Evonik.jpg Bielefeld2012 Baxter.png Logo knauer.jpg Logo iit.jpg Bielefeld2012 BIEKUBA.jpg Logo biometra.jpg Logo bio-nrw.png Bielefeld2012 Logo ERASynbio.jpg