SPECIAL NOTICE
A -- DEVELOPMENTS AT NIST
- Notice Date
- 6/21/2005
- Notice Type
- Special Notice
- NAICS
- 541710
— Research and Development in the Physical, Engineering, and Life Sciences
- Contracting Office
- Department of Commerce, National Institute of Standards and Technology (NIST), Acquisition and Logistics Division, 100 Bureau Drive, Building 301, Room B129, Mail Stop 3571, Gaithersburg, MD, 20899-3571
- ZIP Code
- 20899-3571
- Solicitation Number
- Reference-Number-SN0605
- Response Due
- 7/21/2005
- Archive Date
- 7/21/2005
- Description
- Researchers at the National Institute of Standards and Technology (NIST) are working on the following technology. For further information, contact the: National Institute of Standards and Technology, Office of Technology Partnerships, 100 Bureau Drive, Stop 2200, Gaithersburg, Maryland 20899; Fax: 301-869-2751. This is not an announcement of a contract action or a grant. NIST DOCKET NUMBER: 04-016US Title: Microfluidic Platform of Arrayed Switchable Spin-Valve Elements for High-Throughput Sorting and Manipulation of Magetic Particles and Biomelecules Description: The invention presents a microfluidic platform that incorporates an array of spin-valve elements to selectively trap, manipulate and release magnetic particles with high throughput and specificity. The array of spin-valve elements can exist in a ferromagnetic ?on? state, thereby acting like mini bar magnets with local magnetic fields. The magnetic field gradients provide the trapping field to confine the magnetic particles. The spin-valve element can be turned to the antiferromagnetic ?off? state where they no longer produce a local magnetic field. In the absence of the local magnetic field, the magnetic particles are released from the trap. The platform consists of a membrane that can separate the traps from the magnetic particle fluid, or it is possible to have the magnetic particle fluid on the same side of the traps. The ?on/off? magnetic characteristic of these elements make it possible to apply an external global magnetic field to rotate the magnetic particles while they are confined by the spin-valve elements.
- Record
- SN00833314-W 20050623/050621211807 (fbodaily.com)
- Source
-
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