BOSTON--(BUSINESS WIRE)--HepaLife Technologies, Inc. (OTCBB: HPLF) (FWB: HL1) (WKN: 500625) today announced that new tests of its bioartificial liver device demonstrate the Company’s bioreactor system and patented PICM-19 cells inside the device remain functional over prolonged periods time, far exceeding the number of treatment hours referenced in published research studies of human liver failure patients undergoing conventional liver support therapies.