公开(公告)号：US5019232A

公开(公告)日：1991-05-28

申请号：US531836

申请日：1990-06-01

申请人： Theresa J. Wilson ,  Louis C. Haddad ,  Donald F. Hagen

发明人： Theresa J. Wilson ,  Louis C. Haddad ,  Donald F. Hagen

IPC分类号： B01D57/02 ,  G01N27/447

CPC分类号： G01N27/44747 ,  B01D57/02

摘要： A medium for electrophoresis comprises:(a) a polytetrafluoroethylene (PTFE) fibril matrix, and(b) particulate, electrically mobile ions, and sufficient liquid in the interstitial spaces of said matrix to allow for ion transport,the ratio of said particulate to PTFE being in the range of 99:1 to 4:1 by weight, and said ions being present in said liquid in an amount to provide a solution of concentration in the range of 1 to 1000 millimolar.Preferably the medium is self supporting.