Mixed mode microfluidic systems
US7160423B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2003 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Jan 13, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/084
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and systems that employ hybrid fluid flow profiles for optimized movement of materials through channel networks. These systems employ hybrid pressure-based and electrokinetic based flow systems for moving materials through interconnected channel networks while maintaining interconnection among the various channel segments. In particular, the invention is generally directed to channel networks where flow in a first channel segment is driven by pressure flow with its consequent parabolic flow profile, while flow in an interconnected channel segment is dominated by electrokinetic flow with its consequent plug flow profile. The invention also provides channel networks wherein fluid flow in channel segments is driven by both pressure and electric field and the multiple species contained in a fluid plug are separated by altering the applied pressure and electric fields in the various channel segments of the channel networks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.