Virus purification and quantification

Question 1

Ultracentrifuge

Answer 1

-sediment even the smallest viruses
-used for concentration and purification of viruses

Question 2

rate-zonal centrifugation

Answer 2

separation of virus particles based on their mass

Question 3

isopycnic centrifugation

Answer 3

virus particles separated on basis of their buoyant density

Question 4

virus purification with membrane chromatography

Answer 4

based on membrane with charged poles