How can the (Amicon Ultra -15; 10,000 MWCO) be used to concentrate the bacteriocin from MRS broth?

If i used (Amicon  10,000 MWCO) to concentrate the bacteriocin from MRS broth, the bacteriocin will be at the top part near to the filter or it will be in the bottom container? and what is the...

02 February 2015 1,302 3 View