Improvement in the method of sample stacking for gravity injection in capillary zone electrophoresis.
A method that allows capillary electrophoresis to be used as a microconcentrating technique is presented. An 85-fold improvement in the amount of material that can be injected into a capillary column without loss of resolution is shown. The method can be used for negative- and positive-charged species but it cannot be used for both species simultaneously.
Burgi
D S
DS
Varian Research Center, Palo Alto, California 94304.
Chien
R L
RL
D004586:Electrophoresis / Q000379:methods*