Abstract: Two-dimensional gel electrophoresis apparatus includes an electrophoresis zone having four edges defined by a plurality of electrodes. A pair of opposed edges are defined by groups of discrete electrodes. Discrete electrodes within each group are electrically isolated from each other while the other pair of opposed edges are used to generate an electrical field. As a result, the electrical field is less distorted than would be the case if each edge was defined by a single elongate electrode. The apparatus can be provided as a cassette with electrodes configured to guide gas generated during electrolysis out of the cassette through apertures, to reduce the build up of combustible gases.

Abstract: Two-dimensional gel electrophoresis apparatus includes an electrophoresis zone having four edges defined by a plurality of electrodes. A pair of opposed edges are defined by groups of discrete electrodes. Discrete electrodes within each group are electrically isolated from each other while the other pair of opposed edges are used to generate an electrical field. As a result, the electrical field is less distorted than would be the case if each edge was defined by a single elongate electrode. The apparatus can be provided as a cassette with electrodes configured to guide gas generated during electrolysis out of the cassette through apertures, to reduce the build up of combustible gases.

Abstract: Two-dimensional gel electrophoresis apparatus includes an electrophoresis zone having four edges defined by a plurality of electrodes. A pair of opposed edges are defined by groups of discrete electrodes. Discrete electrodes within each group are electrically isolated from each other while the other pair of opposed edges are used to generate an electrical field. As a result, the electrical field is less distorted than would be the case if each edge was defined by a single elongate electrode. The apparatus can be provided as a cassette with electrodes configured to guide gas generated during electrolysis out of the cassette through apertures, to reduce the build up of combustible gases.

Abstract: A method is provided for separating single- and double-stranded nucleic acid molecules based on their strandness and length.

Abstract: A method is provided for separating single- and double-stranded nucleic acid molecules based on their strandness and length.

Abstract: Methods are provided for separating linear nucleic acid fragments based on their conformation. The methods are based on novel two-dimensional gel electrophoresis techniques. In one aspect the method comprises electrophoresing a sample of nucleic acids in a first dimension said sample through a gel matrix under a first set of pre-determined electrophoresis conditions; electrophoresing said gel matrix in a second dimension under a second set of electrophoresis conditions, such that linear nucleic acid fragments of equal length but having different conformation are separated; said first and second electrophoresis conditions are different, such that in one of said dimensions electrophoresis allows separation of linear nucleic acid fragments based on conformation and length, and in the other of said dimensions electrophoresis allows separation of the sample fragments based substantially on length.