Definition: A method where the components of a sample are separated on the basis of their density, in a density gradient of e.g. CsCl in a centrifuge, according to buoyant density. The species in the ...

Analysis of top, middle and bottom fractions of 6 Forssman and 2 isophile antiserums separated by centrifugation for 200 minutes at 105,000 Xg showed in every case a progressive increase from top to ...

The field of cell and gene therapy is rapidly growing. In particular, the use of lentiviruses in CAR-T applications is becoming of higher importance. Lentiviruses are enveloped viruses that are rather ...