Multi-dimensional electrophoresis apparatus
First Claim
Patent Images
1. An electrophoresis apparatus, comprising:
- a transport passage having a sample inlet end and an outlet end;
a first separation passage in fluid communication with and intersecting the transport passage at a first intersection and crossing over the transport passage;
the first separation passage having a buffer solution inlet end;
first affinity means for attracting and concentrating in the first intersection a first analyte of interest from a sample introduced into the transport passage and allowing the concentrated first analyte of interest to be subsequently conveyed by at least electrophoresis migration via the first separation passage to a detector system which identifies and characterizes analytes of interest;
a second separation passage in fluid communication with and intersecting the transport passage at a second intersection which is downstream of the first intersection and crossing over the transport passage;
the second separation passage having a buffer solution inlet end; and
second affinity means for attracting and concentrating in the second intersection a second analyte of interest from the introduced sample and allowing the concentrated second analyte of interest to be subsequently conveyed by at least electrophoresis migration via the second separation passage to the detector system.
1 Assignment
0 Petitions
Accused Products
Abstract
An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low concentrations. The apparatus comprises a relatively large-bore transport capillary which intersects with a plurality of small-bore separation capillaries. Analyte concentrators, having antibody-specific (or related affinity) chemistries, are stationed at the respective intersections of the transport capillary and separation capillaries to bind one or more analytes of interest. The apparatus allows the performance of two or more dimensions for the optimal separation of analytes.
-
Citations
42 Claims
-
1. An electrophoresis apparatus, comprising:
-
a transport passage having a sample inlet end and an outlet end; a first separation passage in fluid communication with and intersecting the transport passage at a first intersection and crossing over the transport passage; the first separation passage having a buffer solution inlet end; first affinity means for attracting and concentrating in the first intersection a first analyte of interest from a sample introduced into the transport passage and allowing the concentrated first analyte of interest to be subsequently conveyed by at least electrophoresis migration via the first separation passage to a detector system which identifies and characterizes analytes of interest; a second separation passage in fluid communication with and intersecting the transport passage at a second intersection which is downstream of the first intersection and crossing over the transport passage; the second separation passage having a buffer solution inlet end; and second affinity means for attracting and concentrating in the second intersection a second analyte of interest from the introduced sample and allowing the concentrated second analyte of interest to be subsequently conveyed by at least electrophoresis migration via the second separation passage to the detector system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
-
Specification