ch. 1. Biosurfactants and their uses in the petroleum industry and hydrocarbon pollution remediation / N.L. Olivera and M.L. Nievas -- chapter 2. Detergents in molecular biology: DNA extraction and purification / Christian Alberto García-Sepúlveda, Sandra Elizabeth Guerra-Palomares and Diana Lorena Alvarado-Hernández -- chapter 3. Carbohydrases in detergents / Piamsook Pongsawasdi and Shuichiro Murakami -- chapter 4. The influence of different detergents on the preservation of discrete membrane microdomains: a comparative ultrastructural study on whole-mounted colorectal cancer cells / Kristina A. Jahn ... and others -- chapter 5. (Phi)-sulfo fatty methyl ester sulfonates ((Phi)-MES): a new anionic surfactant / León Cohen ... and others -- chapter 6. Acacia Caven (Mol.) Molina pollen proteases: application to the peptide synthesis and to laundry detergents / Cristina Barcia ... and others.