CA2469307A1 - Diagnostic devices and apparatus for the controlled movement of reagents without membranes - Google Patents
Diagnostic devices and apparatus for the controlled movement of reagents without membranes Download PDFInfo
- Publication number
- CA2469307A1 CA2469307A1 CA002469307A CA2469307A CA2469307A1 CA 2469307 A1 CA2469307 A1 CA 2469307A1 CA 002469307 A CA002469307 A CA 002469307A CA 2469307 A CA2469307 A CA 2469307A CA 2469307 A1 CA2469307 A1 CA 2469307A1
- Authority
- CA
- Canada
- Prior art keywords
- elements
- assay
- zone
- membranes
- reagents
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The assay devices, assay systems and device compo-nents of this invention comprise at least two opposing sur-faces disposed a capillary distance apart, at least one of which is capable of immobilizing at least one target ligand or a conjugate in an amount related to the presence or amount of target ligand in the sample from a fluid sample in a zone for controlled fluid movement to, through or away the zone The inventive device components may be incorporated into conventional assay devices with mem-branes or may be used in the inventive membrane-less de-vices herein described and claimed. These components in-clude flow control elements, measurement elements, time gates, elements for the elimination of pipetting steps, and generally, elements for the controlled flow, timing, deliv-ery, incubation, separation, washing and other steps of the assay process.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/887,526 US5458852A (en) | 1992-05-21 | 1992-05-21 | Diagnostic devices for the controlled movement of reagents without membranes |
US07/887,526 | 1992-05-21 | ||
CA 2113198 CA2113198C (en) | 1992-05-21 | 1993-05-20 | Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2113198 Division CA2113198C (en) | 1992-05-21 | 1993-05-20 | Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2469307A1 true CA2469307A1 (en) | 1993-12-09 |
CA2469307C CA2469307C (en) | 2009-06-30 |
Family
ID=32851568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002469307A Expired - Lifetime CA2469307C (en) | 1992-05-21 | 1993-05-20 | Diagnostic devices and apparatus for the controlled movement of reagents without membranes |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2469307C (en) |
-
1993
- 1993-05-20 CA CA002469307A patent/CA2469307C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2469307C (en) | 2009-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20130520 |