1. Effects of potassium on the ethanol production rate of Saccharomyces cerevisiae carrying the plasmid pCYG4 related with ammonia assimilation

   • N. L. C. Licinio Da Silva
   • A. A. Salgueiro
   • J. L. Lima Filho

   OriginalPaper Pages: 1 - 10

2. Protection of aspergillus niger cellulases by urea during growth on glucose or glycerol supplemented media

   • D. V. Gokhale
   • S. G. Patil
   • K. B. Bastawde

   OriginalPaper Pages: 11 - 17

3. Properties of pectinesterase and endo-d-polygalacturonase coimmobilized in a porous glass support

   • A. Manjón
   • J. L. Iborra
   • M. Cánovas

   OriginalPaper Pages: 19 - 31

4. Amazonian lignocellulosic materials-i fungal screening from decayed laurel and cedar trees

   • Sonia m. Da Silva Carvalho
   • Maria Francisca S. Teixeira
   • Nelson Durán

   OriginalPaper Pages: 33 - 41

5. Enzymatic Preparation of Coniferaldehyde from Coniferyl Benzoate ex. Siam Benzoin

   • C. Leffemberg
   • A. Gautier
   • E. Ohleyer

   OriginalPaper Pages: 43 - 52

6. Oxidation of Dibenzothiophene Catalyzed by Hemoglobin and Other Hemoproteins in Various Aqueous-Organic Media

   • Natalia L. Klyachko
   • Alexander M. Klibanov

   OriginalPaper Pages: 53 - 68

7. Adsorption of Phenylalanine from Casein Hydrolysates

   • A. M. H. Vasconcellos
   • C. P. H. Oliveira
   • A. L. C. Santos-Neto

   OriginalPaper Pages: 69 - 80

8. Protoplast Fusion of β-Glucosidase-Producing Aspergillus niger Strains

   • Yin Klong Hoh
   • Teck Koon Tan
   • Hock-Hin Yeoh

   OriginalPaper Pages: 81 - 88

9. Extraction of L-Lysine from Its Dilute Aqueous Solutions by Rotating Film Pertraction

   • L. Boyadzhiev
   • I. Atanassova

   OriginalPaper Pages: 89 - 95