Control of evaporation in digital microfluidics
US11992842B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Nov 3, 2020 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Dec 5, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/086
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Air-matrix digital microfluidics (DMF) apparatuses and methods of using them. These methods and apparatuses may include the use of a liquid wax coating material and/or pinning the encapsulated reaction droplet within the air gap using pinning features. Any of these methods may also include separating the liquid wax from an encapsulated aqueous droplet, e.g., using an oil absorbent wick to selectively separate the liquid oil or wax from the aqueous droplet by adsorbing and/or absorbing the liquid wax into the absorbent wick while leaving the aqueous droplet behind.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.