BOSTON & PERTH, Australia--(BUSINESS WIRE)--Global bio-nanotech company pSivida Limited (NASDAQ:PSDV)(ASX:PSD)(Xetra:PSI) today announced that the definitive documentation related to the previously announced agreement with the Absolute Europe Catalyst Fund, Absolute Octane Fund and Australian IT Investments Ltd. to purchase US$6.5m (AU$8.5m) of Subordinated Convertible Debentures convertible into pSivida American Depository Shares (ADSs) has been completed.