Albumin particles  

• consist of crosslinked bovine serum albumin (BSA) or of human serum albumin (HSA), resp., on request,

• are prepared with a mean diameter of 250 nm,

• were applied as model particles for the determination of grazing rates of microorganisms and studies on essential food compartments in ecology,

• can be unspecifically labeled with radionuclides for applications in nuclear medicine.