Centrifugal force based microfluidic device for dilution and microfluidic system including the same
US7951332B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2008 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Jan 4, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0677
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided are a centrifugal force based microfluidic device which can automatically perform a dilution operation and a microfluidic system including the same. The centrifugal force based microfluidic device for dilution includes a rotatable disk type platform, a mixing chamber disposed on the platform; a buffer solution storage disposed on a portion of the platform which is closer to a center of the platform than the mixing chamber, connected to the mixing chamber through a channel to supply a predetermined amount of buffer solution to the mixing chamber at least one time, and a plurality of diluted solution chambers which are disposed on a portion of the platform which is farther from the center of the platform than the mixing chamber, are each connected to the mixing chamber through flow paths extended from a middle exit corresponding to a predetermined water level, and sequentially receiving a solution which is serially diluted in the mixing chamber at least one time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.