Editorial Comment; Clinical Potentials of Adsorptive Dialysis Membranes: Krummel, T.; Hannedouche, T.; The Double Polymethylmethacrylate Filter (DELETE System) in the Removal of Light Chains in Chronic Dialysis Patients with Multiple Myeloma: Santoro, A.; Grazia, M.; Mancini, E.; Natural Killer Cell Dysfunction in Uremia: The Role of Oxidative Stress and the Effects of Dialysis: Peraldi, M.-N.; Berrou, J.; Metivier, F.; Toubert, A.; Removal of Protein-Bound Uraemic Toxins by Haemodialysis: Niwa, T.; Prurigo Nodularis and Dialyzer Membrane: Goeksel, T.; Xie, W.; Ritzerfeld, M.; Heidenreich, S.; Mann, H.; Editorial Comment; New Insights in End-Stage Renal Disease Therapies: From Dialysis to Apheresis by Means of Membrane Characteristics: Santoro, A.; Nondialyzable Uremic Toxins: Piroddi, M.; Bartolini, D.; Ciffolilli, S.; Galli, F.; Adsorption Dialysis: From Physical Principles to Clinical Applications: Aucella, F.; Gesuete, A.; Vigilante, M.; Prencipe, M.; Adsorption Techniques: Dialysis Sorbents and Membranes: Perego, A.F.; Polymethylmethacrylate Membrane and Serum Free Light Chain Removal: Enhancing Adsorption Properties: Fabbrini, P.; Sirtori, S.; Casiraghi, E.; Pieruzzi, F.; Genovesi, S.; Corti, D.; Brivio, R.; Gregorini, G.; Como, G.; Carati, M.L.; Vigano, M.R.; Stella, A.