1. Effect of two broad-spectrum antibiotics on activity and stability of continuous nitrifying system

   • J. Luis Campos
   • Juan M. Garrido
   • Juan M. Lema

   OriginalPaper Pages: 1 - 10

2. New supports for enzyme immobilization based on copolymers of vinylene carbonate and acrylamide

   • Lunhan Ding
   • Yan Jiang
   • Jiaxian Huang

   OriginalPaper Pages: 11 - 21

3. Construction, expression, and characterization of recombinant hirudin in Escherichia coli

   • Qun Bi
   • Junshan Zhang
   • Shenggeng Zhu

   OriginalPaper Pages: 23 - 30

4. Controlling electrophoretic trapping of circular DNA by addition of starch preparations to agarose gels

   • Kenneth D. Cole
   • Carlos M. Tellez
   • Richard Nguyen

   OriginalPaper Pages: 31 - 43

5. Continuous cultivation of dilute-acid hydrolysates to ethanol by immobilized Saccharomyces cerevisiae

   • Mohammad J. Taherzadeh
   • Ria Millati
   • Claes Niklasson

   OriginalPaper Pages: 45 - 57

6. Bioemulsifier production in batch culture using glucose as carbon source by Candida lipolytica

   • Leonie A. Sarubbo
   • Maria do Carmo Marçal
   • Galba Maria Campos-Takaki

   OriginalPaper Pages: 59 - 67