Kristiina Kiviharju

Summary

Affiliation: Helsinki University of Technology
Country: Finland

Publications

  1. ncbi request reprint On-line biomass measurements in bioreactor cultivations: comparison study of two on-line probes
    K Kiviharju
    Laboratory of Bioprocess Engineering, Helsinki University of Technology, P O Box 6100, 02015 TKK Helsinki, Finland
    J Ind Microbiol Biotechnol 34:561-6. 2007
  2. doi request reprint Biomass measurement online: the performance of in situ measurements and software sensors
    Kristiina Kiviharju
    Department of Biotechnology and Chemical Technology, Helsinki University of Technology, P O Box 6100, 02015 TKK, Finland
    J Ind Microbiol Biotechnol 35:657-65. 2008
  3. ncbi request reprint A chemostat study of Streptomyces peucetius var. caesius N47
    Kristiina Kiviharju
    Laboratory of Bioprocess Engineering, Helsinki University of Technology, Helsinki, P O Box 6100, 02015 HUT, Finland
    Appl Microbiol Biotechnol 73:1267-74. 2007
  4. ncbi request reprint Modeling and simulation of Streptomyces peucetius var. caesius N47 cultivation and epsilon-rhodomycinone production with kinetic equations and neural networks
    Kristiina Kiviharju
    Helsinki University of Technology, Laboratory of Bioprocess Engineering, P O Box 6100, FIN 02015 TKK, Finland
    J Biotechnol 126:365-73. 2006
  5. doi request reprint Factors affecting the production of L-xylulose by resting cells of recombinant Escherichia coli
    Anne Usvalampi
    Department of Biotechnology and Chemical Technology, Helsinki University of Technology, 02015 Espoo, Finland
    J Ind Microbiol Biotechnol 36:1323-30. 2009
  6. ncbi request reprint Optimization of a Bifidobacterium longum production process
    Kristiina Kiviharju
    Helsinki University of Technology, Laboratory of Bioprocess Engineering, P O Box 6100, FIN 02015 HUT, Finland
    J Biotechnol 117:299-308. 2005
  7. ncbi request reprint High-level production of D-mannitol with membrane cell-recycle bioreactor
    Niklas von Weymarn
    Laboratory of Bioprocess Engineering, Department of Chemical Engineering, Helsinki University of Technology, P O Box 6100, FIN 02015 HUT, Helsinki, Finland
    J Ind Microbiol Biotechnol 29:44-9. 2002
  8. pmc Metabolic engineering of Lactobacillus plantarum for production of L-ribulose
    M Helanto
    Laboratory of Bioprocess Engineering, Department of Chemical Technology, Helsinki University of Technology, PO Box 6100, FIN 02015 Espoo, Finland
    Appl Environ Microbiol 73:7083-91. 2007
  9. doi request reprint Biotechnological production of L-ribose from L-arabinose
    M Helanto
    Department of Biotechnology and Chemical Technology, Helsinki University of Technology, PO Box 6100, 02015 Espoo, Finland
    Appl Microbiol Biotechnol 83:77-83. 2009
  10. ncbi request reprint Contributions of biotechnology to the production of mannitol
    Kristiina Kiviharju
    Helsinki University of Technology, Department of Biotechnology and Chemical Technology, P O Box 6100, FI 02015 TKK, Finland
    Recent Pat Biotechnol 2:73-8. 2008

Collaborators

Detail Information

Publications12

  1. ncbi request reprint On-line biomass measurements in bioreactor cultivations: comparison study of two on-line probes
    K Kiviharju
    Laboratory of Bioprocess Engineering, Helsinki University of Technology, P O Box 6100, 02015 TKK Helsinki, Finland
    J Ind Microbiol Biotechnol 34:561-6. 2007
    ..The possibilities offered by dielectric spectroscopy are impressive, but the on-line probe technology needs to be..
  2. doi request reprint Biomass measurement online: the performance of in situ measurements and software sensors
    Kristiina Kiviharju
    Department of Biotechnology and Chemical Technology, Helsinki University of Technology, P O Box 6100, 02015 TKK, Finland
    J Ind Microbiol Biotechnol 35:657-65. 2008
    ..The advantages offered by these methods and an economic way of estimating biomass concentration, the software sensors, are considered...
  3. ncbi request reprint A chemostat study of Streptomyces peucetius var. caesius N47
    Kristiina Kiviharju
    Laboratory of Bioprocess Engineering, Helsinki University of Technology, Helsinki, P O Box 6100, 02015 HUT, Finland
    Appl Microbiol Biotechnol 73:1267-74. 2007
    ....
  4. ncbi request reprint Modeling and simulation of Streptomyces peucetius var. caesius N47 cultivation and epsilon-rhodomycinone production with kinetic equations and neural networks
    Kristiina Kiviharju
    Helsinki University of Technology, Laboratory of Bioprocess Engineering, P O Box 6100, FIN 02015 TKK, Finland
    J Biotechnol 126:365-73. 2006
    ..903. The predictive power of the neural networks was superior to the kinetic models, which could not be used in predictive modeling of arbitrary batch cultivations...
  5. doi request reprint Factors affecting the production of L-xylulose by resting cells of recombinant Escherichia coli
    Anne Usvalampi
    Department of Biotechnology and Chemical Technology, Helsinki University of Technology, 02015 Espoo, Finland
    J Ind Microbiol Biotechnol 36:1323-30. 2009
    ..09 +/- 0.10 g g(-1) h(-1) was achieved in a bioreactor. The response surface model based on the data from the shake flask experiments predicted the operation of the process in a bioreactor with reasonable accuracy...
  6. ncbi request reprint Optimization of a Bifidobacterium longum production process
    Kristiina Kiviharju
    Helsinki University of Technology, Laboratory of Bioprocess Engineering, P O Box 6100, FIN 02015 HUT, Finland
    J Biotechnol 117:299-308. 2005
    ..Temperature programming reduced drying times by over 50% and improved the product activity by over 160%...
  7. ncbi request reprint High-level production of D-mannitol with membrane cell-recycle bioreactor
    Niklas von Weymarn
    Laboratory of Bioprocess Engineering, Department of Chemical Engineering, Helsinki University of Technology, P O Box 6100, FIN 02015 HUT, Helsinki, Finland
    J Ind Microbiol Biotechnol 29:44-9. 2002
    ..Nitrogen gas flushing of the bioconversion media was unnecessary, since it did not change the essential process parameters...
  8. pmc Metabolic engineering of Lactobacillus plantarum for production of L-ribulose
    M Helanto
    Laboratory of Bioprocess Engineering, Department of Chemical Technology, Helsinki University of Technology, PO Box 6100, FIN 02015 Espoo, Finland
    Appl Environ Microbiol 73:7083-91. 2007
    ..1 g liter(-1) h(-1), a best-achievable process productivity of 14.8 g liter(-1) h(-1), and a conversion of L-arabinose to L-ribulose of 0.70 mol mol(-1)...
  9. doi request reprint Biotechnological production of L-ribose from L-arabinose
    M Helanto
    Department of Biotechnology and Chemical Technology, Helsinki University of Technology, PO Box 6100, 02015 Espoo, Finland
    Appl Microbiol Biotechnol 83:77-83. 2009
    ..Also partially purified protein precipitates having both L-arabinose isomerase and L-ribose isomerase activity were successfully used for converting L-arabinose to L-ribose...
  10. ncbi request reprint Contributions of biotechnology to the production of mannitol
    Kristiina Kiviharju
    Helsinki University of Technology, Department of Biotechnology and Chemical Technology, P O Box 6100, FI 02015 TKK, Finland
    Recent Pat Biotechnol 2:73-8. 2008
    ..The latest developments in the field have dealt with the use of recombinant strains in mannitol production...
  11. ncbi request reprint Optimization of Streptomyces peucetius var. caesius N47 cultivation and epsilon-rhodomycinone production using experimental designs and response surface methods
    K Kiviharju
    Laboratory of Bioprocess Engineering, Helsinki University of Technology, PL 6100, 02015 HUT, Finland
    J Ind Microbiol Biotechnol 31:475-81. 2004
    ..A pH increase with a temperature decrease seemed most beneficial for productivity. This implies that dynamic control strategies in batch production of epsilon-rhodomycinone could increase the overall process productivity...
  12. ncbi request reprint Light sensitivity of Bifidobacterium longum in bioreactor cultivations
    K Kiviharju
    Laboratory of Bioprocess Engineering, Helsinki University of Technology, PO Box 6100, FIN 02015 HUT, Finland
    Biotechnol Lett 26:539-42. 2004
    ..36 h(-1) and 0.48 h(-1). In an illuminated bioreactor neither strain grew. In comparison, Lactobacillus reuteri was not sensitive to light under the same conditions...