A method and apparatus to concentrate and purify islets of Langerhans from a tissue suspension containing islets and tissue fragments. The tissue suspension is flowed through an inclined channel such that laminar flow is established in the channel. The islets settle toward the channel bottom and are...http://www.google.ca/patents/US5273904?utm_source=gb-gplus-sharePatent US5273904 - Apparatus for purifying islets of Langerhans
