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Effect of immobilized cells in calcium alginate beads in alcoholic fermentation
- J. C. Duarte, J. Rodrigues, P. J. Moran, G. Valença, J. Nunhez
- Engineering, BiologyAMB Express
- 30 May 2013
The immobilized cells allowed eight 10 h sequential reuse cycles to be carried out with stable final ethanol concentrations and there was no need to use antibiotics and no contamination was observed.
A highly sensitive amperometric sensor for oxygen based on iron(II) tetrasulfonated phthalocyanine and iron(III) tetra-(N-methyl-pyridyl)-porphyrin multilayers.
Tetracyanoquinodimethanide adsorbed on a silica gel modified with titanium oxide for electrocatalytic oxidation of hydrazine
- J. C. Duarte, Rita de Cássia Silva Luz, F. Damos, A. B. Oliveira, L. Kubota
- Chemistry, Materials Science
- 1 May 2007
The electrocatalytical oxidation of hydrazine at low potential using tetracyanoquinodimethanide adsorbed on silica modified with titanium oxide was investigated by cyclic voltammetry and amperometry.…
Microbial production of Propionic and Succinic acid from Sorbitol using Propionibacterium acidipropionici
Three sequential fermentative batches were carried out with cell recycle in four simultaneously operating bioreactors maintained at pH 6.5, 30°C, and 100 rpm. P. acidipropionici ATCC 4875 was able to…
Osmotic adaptation of moderately halophilic methanogenic Archaeobacteria, and detection of cytosolicN,N-dimethylglycine
M. mahii not only grew well at a wide range of osmosities, it also tolerated rapid shifts in osmolality, and cells subjected to a rapid 10-fold hypertonic shift resumed growth without a prolonged lag.
Alcoholic fermentation by Zymomonas mobilis CP4 or Saccharomyces cerevisiae in sugarcane juice with and without a lipid supplement.
Parameter Estimation of Kinetics and Modelling in Methanogenic Fermentation of Methanosarcina Barkeri
A non-structured model with enzyme inhibition kinetics is proposed to fit the experimental kinetic data of bacterial growth since an inhibitory effect at high methanol concentrations is observed.