1. To our readers

   • Sergei Braun
   • David Avnir

   Letter Pages: 5 - 5

2. Entrapment of parathion hydrolase from Pseudomonas spp. in sol-gel glass

   • C. Dosoretz
   • R. Armon
   • N. Rothschild

   OriginalPaper Pages: 7 - 11

3. Immobilization of urease on composite fibre by using a gel formation of cellulose acetate and titanium iso-propoxide

   • Hiroyuki Hatayama
   • Taku Swabe
   • Youichi Kurokawa

   OriginalPaper Pages: 13 - 17

4. Biogels of cytochrome c : Cytochrome c peroxidase complex studied by electron paramagnetic resonance spectroscopy

   • C. T. Lin
   • C. M. Catuara
   • H. H. Wei

   OriginalPaper Pages: 19 - 26

5. Bioactive Ca₁₀(PO₄)₆(OH)₂−TiO₂ composite coating prepared by sol-gel process

   • P. Li
   • K. de Groot
   • T. Kokubo

   OriginalPaper Pages: 27 - 34

6. Characterization of hydrophobic sol-gel materials containing entrapped lipases

   • M. T. Reetz
   • A. Zonta
   • B. Tesche

   OriginalPaper Pages: 35 - 43

7. Immunoassays in sol-gel matrices

   • J. Livage
   • C. Roux
   • I. Desportes

   OriginalPaper Pages: 45 - 51

8. Iodide fluorescence quenching of sol-gel immobilized BSA

   • Carol L. Wambolt
   • S. Scott Saavedra

   OriginalPaper Pages: 53 - 57

9. Mechanisms of hydroxyapatite formation on porous gel-silica substrates

   • Marivalda M. Pereira
   • Larry L. Hench

   OriginalPaper Pages: 59 - 68

10. In-vitro protein interactions with a bioactive gel-glass

    • K. D. Lobel
    • L. L. Hench

    OriginalPaper Pages: 69 - 76

11. Atrazine degradation by Pseudomonas strain ADP entrapped in sol-gel glass

    • M. Rietti-Shati
    • D. Ronen
    • R. T. Mandelbaum

    OriginalPaper Pages: 77 - 79

12. Biological activity of functionalized SiO₂ thin films prepared by sol-gel method

    • Roberta Collino
    • Joël Therasse
    • Yves Levy

    OriginalPaper Pages: 81 - 85

13. Immobilization of plant cells in hybrid sol-gel materials

    • R. Campostrini
    • G. Carturan
    • E. M. Cappelletti

    OriginalPaper Pages: 87 - 97

14. Phycobiliproteins encapsulated in sol-gel glass

    • Zhongping Chen
    • D. L. Kaplan
    • S. K. Tripathy

    OriginalPaper Pages: 99 - 108

15. Encapsulation of the ferritin protein in sol-gel derived silica glasses

    • Esther H. Lan
    • Bruce Dunn
    • Jeffrey I. Zink

    OriginalPaper Pages: 109 - 116

16. Enzymatic activity of oxalate oxidase and kinetic measurements by optical methods in transparent sol-gel monoliths

    • Stacey A. Yamanaka
    • Nhi P. Nguyen
    • Jeffrey I. Zink

    OriginalPaper Pages: 117 - 121

17. Sol-gel derived ceramic-carbon enzyme electrodes: Glucose oxidase as a test case

    • Srinivasan Sampath
    • Irena Pankratov
    • Ovadia Lev

    OriginalPaper Pages: 123 - 128

18. Use of sol-gel entrapment techniques for the resolution of itaconic acid biosynthetic pathway in Aspergillus terreus

    • Eyal Bressler
    • Sergei Braun

    OriginalPaper Pages: 129 - 133

19. Sol-gel entrapment of monoclonal anti-atrazine antibodies

    • A. Turniansky
    • D. Avnir
    • M. Altstein

    OriginalPaper Pages: 135 - 143