1. Effect of pH on Pb²⁺ accumulation in Saccharomyces cerevisiae and Aureobasidium pullulans

   • J. H. Suh
   • J. W. Yun
   • D. S. Kim

   Article Pages: 471 - 474

2. Improving an on-line feeding strategy for fed-batch cultures of hybridoma cells by dialysis and `Nutrient-Split'-feeding

   • J. O. Schwabe
   • R. Pörtner
   • H. Märkl

   Article Pages: 475 - 484

3. Some studies on optimization of extraction process for protease production in SSF

   • R. Tunga
   • R. Banerjee
   • B. C. Bhattacharya

   Article Pages: 485 - 489

4. Modelling mixing parameters in concentric-tube airlift bioreactors

   • M. Gavrilescu
   • R. Z. Tudose

   Article Pages: 491 - 497

5. Effect of chloride and condensable tannin in anaerobic degradation of tannery wastewaters

   • K. Vijayaraghavan
   • T. K. Ramanujam

   Article Pages: 499 - 503

6. Studies on applications of chitin and its derivatives

   • P. Arthur Felse
   • T. Panda

   Article Pages: 505 - 512

7. Optimization of a pseudo-affinity process for penicillin acylase purification

   • L. P. Fonseca
   • J. M. S. Cabral

   Article Pages: 513 - 524

8. Continuous ethanol fermentation in a tower reactor with flocculating yeast recycle: scale-up effects on process performance, kinetic parameters and model predictions

   • S. C. Oliveira
   • H. F. De Castro
   • R. Giudici

   Article Pages: 525 - 530

9. Production of manganese peroxidase and laccase in laboratory-scale bioreactors by Phanerochaete chrysosporium

   • S. Rodríguez
   • M. A. Longo
   • A. Sanromán

   Article Pages: 531 - 535

10. Modelling of aerobic growth of Saccharomyces cerevisiae in a pH-auxostat

    • H. T. B. Pham
    • G. Larsson
    • S.-O. Enfors

    Article Pages: 537 - 544

11. Transient growth- and product-formation kinetics of acetic acid bacteria

    • R. K. Kruppa
    • D. Vortmeyer

    Article Pages: 545 - 551

12. Hydrolysis and thermophilic anaerobic digestion of sewage sludge and organic fraction of municipal solid waste

    • A. Del Borghi
    • A. Converti
    • M. Del Borghi

    Article Pages: 553 - 560

13. High alcohol production by solid substrate fermentation from starchy substrates using thermotolerant Saccharomyces cerevisiae

    • N. K. Sree
    • M. Sridhar
    • L. V. Rao

    Article Pages: 561 - 563

14. Attachment, spreading and growth of VERO cells on microcarriers for the optimization of large scale cultures

    • R. Z. Mendonça
    • J. C. M. Prado
    • C. A. Pereira

    Article Pages: 565 - 571