

liposomesareextensivelyusedtostudytheinteractionofproteins,peptidesandothermoleculeswiththesurfaceofalipidmembrane.OneoftheparametersthataffectsthisinteractionisthechargeoftheLiposomalmembrane.Phosphatidylserine(PS)isanegativelychargedmolecule.Theamountofthenegativezetapotentialintheliposomesdependsonthemolarpercentageofthephosphatidylserine(PS)intheformulation.AnionicCellsome®-Phosphatidylserine(PS)catalogcontainstheproductsmadefrom0.5upto100percentDOPSwithvariousamountofnegativezetapotentials.ThematrixlipidDOPCthatisusedintheformulationsdoesnotsignificantlycontributetothechargeoftheliposomes.Anionicliposomesareusedinbloodcomplementstudiesandvarioustypesofinvitrostudies.
