Fluid removal during hemodialysis / John K. Leypoldt and Alfred K. Cheung -- Urea removal during hemodialysis / Daniel Schneditz -- Transport kinetics during peritoneal dialysis / Michael F. Flessner -- The bioartificial renal tubule / H. David Humes, Sherrill MacKay and Janeta Nikolovski -- Percutaneous access for peritoneal dialysis: a tissue engineering approach / Jennifer A. Laluppa and Clifford J. Holmes -- Tissue engineering in the peritoneal cavity: genetic modification of the peritoneal membrane / Catherine M. Hoff and Ty R. Shockley.