1. Valuation of bioreactors for low viscous media and high oxygen transfer demand

   • I. Adler
   • A. Fiechter

   Originals Pages: 51 - 59

2. Biological elimination of volatile xenobiotic compounds in biofilters

   • S. P. P. Ottengraf
   • J. J. P. Meesters
   • H. R. Rozema

   Originals Pages: 61 - 69

3. EPR and EXAFS studies of glucose isomerase activation by divalent metals

   • S. Branner
   • G. Marg
   • D. S. Clark

   Originals Pages: 71 - 77

4. Coupling of microbial kinetics and oxygen transfer for analysis and optimization of gluconic acid production with Aspergillus niger

   • M. Reuss
   • S. Fröhlich
   • G. Pommerening

   Originals Pages: 79 - 91

5. Announcements

   Announcement Pages: 92 - 92