| abstract |
A liposome comprises an isoprenoid lipid and a pharmaceutically active component. The active is preferably an antigen and the isoprenoid, which may be obtained from hyperthermophilic Archaea, may have a formula (1):wherein Rw, Rx, Ryand Rz, are independently selected from an aliphatic or alicyclic group, or Rw and Rz and/or Ry and Rz are combined to form a di-ether group. |