Fluidics system for sequential delivery of reagents
US8846378B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2011 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/85938
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Fluidic circuits and methods of using same are provided herein. In some embodiments, the circuit can direct different fluids to a common volume, such as a reaction chamber or flow cell, without intermixing or cross contamination. The direction and rate of flow through junctions, nodes and passages of the fluidics circuit can be controlled, for example, by the states of upstream valves, differential fluid pressures at circuit inlets or upstream reservoirs, or flow path resistances. Free diffusion or leakage of fluids from unselected inlets into the common outlet or other inlets at junctions or nodes can be prevented by the flow of the selected inlet fluid, a portion of which can sweep by the inlets of unselected fluids and exit the fluidics circuit by waste ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.