1. In vitro stabilization of acv synthetase activity fromStreptomyces clavuligerus

   • Jinyou Zhang
   • Arnold L. Demain

   OriginalPaper Pages: 97 - 110

2. Amino acid overproduction by analog resistant mutants of the nitrogen fixing cyanobacteriumAnabaena sp 287

   • Selwin P. Thomas
   • S. Shanmugasundaram

   OriginalPaper Pages: 111 - 121

3. Empirical assessment on the cellulase digestibility of processedEucalyptus wood

   • D. Vázquez
   • M. A. Lage
   • J. L. Alonso

   OriginalPaper Pages: 123 - 139

4. Purification and some properties of chitinase fromAspergillus carneus

   • Mohamed A. Abdel-Naby
   • Nefisa M. A. El-Shayeb
   • A. A. Sherief

   OriginalPaper Pages: 141 - 154

5. Toxicity and biodegradability of olive mill wastewaters in batch anaerobic digestion

   • Moktar Hamdi

   OriginalPaper Pages: 155 - 163

6. Pretreatment of wood by UCT-solvent for the enzymatic hydrolysis

   • H. Ooshima
   • M. Kurakake
   • Y. Harano

   OriginalPaper Pages: 165 - 176

7. Sodium meta bisulfite and ph tolerance ofPleurotus sajor caju under submerged cultivation

   • William R. Gibbons
   • Nathan S. Pulscher
   • Erling J. Ringquist

   OriginalPaper Pages: 177 - 189

8. Photo-Osmosis through liquid membrane bilayers generated byβ-carotene coupled with bacteriorhodopsin

   • D. B. Madamwar
   • N. Jain

   OriginalPaper Pages: 191 - 199

9. Synergism betweenClostridiwn Thermocellum cellulases cloned inEscherichia coli

   • Katalin Tcika
   • Vladimir V. Zverlov
   • Galina A. Velikodvorskaya

   OriginalPaper Pages: 201 - 207

10. A study on performance characteristics of granular-media trickling filters

    • Yilmaz Muslu

    OriginalPaper Pages: 209 - 224

11. Book review

    • R. I. Mateles

    BookReview Pages: 225 - 226