Ultracentrifugation of small volumes of tissue extracts without the use of tube adapters.
D000818:Animals; D001826:Body Fluids; D002458:Cell Fractionation / Q000379:methods; D008099:Liver / Q000648:ultrastructure; D008832:Microchemistry; D051381:Rats; D014461:Ultracentrifugation / Q000295:instrumentation* / Q000379:methods