Methods and apparatus for concentrating and recovering pathogens from a fluid other than blood are disclosed. The method includes concentrating the pathogens contained in the fluid by continuously feeding the fluid through one or more flexible chamber(s) and subjecting the chamber(s) to centrifugal forces....http://www.google.fr/patents/US6500107?utm_source=gb-gplus-shareBrevet US6500107 - Method for the concentration of fluid-borne pathogens
Method for the concentration of fluid-borne pathogens