1. Preface 2. Foreword 3. Non-conventional biocatalysis: From organic solvents to Green Solvents 4. Synthesis and characterization of Ionic Liquids 5. Biocatalysis and Green Metrics in Sustainable Chemistry 6. Ionic liquids in biocatalytic organic synthesis 7. Ionic liquids in protein refolding 8. Stability and Stabilization of biocatalyst by ILs 9. Improved Biocatalysts for Green processes 10. Clean Biocatalysis in Sponge-Like Ionic Liquids 11. Oxidoreductases in ionic liquids and Deep eutectic Solvents (DESs) for organic chemistry 12. Potential roles for ionic liquid assisted biocatalysis in a low carbon future 13. Biocatalysis in ABS systems based on ILs 14. Biotransformations of carbohydrates in ILs 15. Biocatalysis in biomass derived solvents 16. Ionic liquids for biomass biotransformations 17. Biocatalysis in sub and supercritical fluids 18. Supported ionic liquids for biocatalysis 19. Biocatalytic processes in ionic liquids/supercritical carbon dioxide biphasic systems 20. Enzymatic membrane reactors and non-conventional solvents 21. Ionic Liquids for Biopolymer Extraction and Processing 22. Application of Ionic Liquids in Pharmaceutics and Medicine 23. Industrial application of Ionic Liquids