1. Horseradish peroxidase immobilized through its carboxylic groups onto a polyacrylonitrile membrane

   • P. R. S. Leirião
   • L. J. P. Fonseca
   • M. Mateus

   OriginalPaper Pages: 1 - 10

2. l-Asparaginase release from Escherichia coli cells with aqueous two-phase micellar systems

   • Minjun Qin
   • Fengsheng Zhao

   OriginalPaper Pages: 11 - 21

3. Solid-phase reducing agents as alternative for reducing disulfide bonds in proteins

   • Valeria Grazú
   • Karen Ovsejevi
   • Francisco Batista-Viera

   OriginalPaper Pages: 23 - 32

4. Effect of tributylphenyltetraethoxylate on enzyme production of Pleurotus Ostreatus

   • Cristina Ramos
   • Helena Morais
   • Tibor Cserháti

   OriginalPaper Pages: 33 - 44

5. Effect of enzymatic interesterification on melting point of palm olein

   • Atif A. A. Yassin
   • Ibrahim O. Mohamed
   • Mohd S. A. Yusoff

   OriginalPaper Pages: 45 - 52

6. Calcium alginate gel as encapsulation matrix for coimmobilized enzyme systems

   • A. Blandino
   • M. Macías
   • D. Cantero

   OriginalPaper Pages: 53 - 60