Patent ID: 6156182
Filing Date: 2000-12-05
Classification: G01N

Abstract:
A device for use in isoelectric focusing, comprising:an immobilized pH gradient strip;an elongate enclosure enclosing said strip, said enclosure defined by first and second walls of fluid-impermeable material releasably joined together along their peripheries and shaped to form a chamber sized to contain said strip and to permit swelling of said strip upon wetting;first and second apertures defined as electrode access apertures located on one side of said enclosure and spaced apart from each other, each said electrode access aperture spanned by a ion-permeable yet protein-impermeable membrane and covered with a removable vapor-impermeable barrier; anda third aperture, defined as a sample application aperture, in said enclosure, between said first and second apertures, covered with a removable and resealable vapor-impermeable barrier.