[특허]Devices and methods for separating magnetically labeled moieties in a sample

Devices and methods for separating magnetically labeled moieties in a sample 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-001/34 B03C-001/033 B03C-001/035
출원번호	US-0984019 (2012-04-05)
등록번호	US-9885642 (2018-02-06)
국제출원번호	PCT/US2012/032423 (2012-04-05)
§371/§102 date	20130826 (20130826)
국제공개번호	WO2012/148648 (2012-11-01)
발명자 / 주소	Yu, Liping
출원인 / 주소	Becton, Dickinson and Company
대리인 / 주소	Field, Bret E.
인용정보	피인용 횟수 : 0 인용 특허 : 93

초록 ▼

Devices for separating magnetically labeled moieties in a sample are provided. Aspects of the devices include a magnetic field source, a first magnetic field guide having a wedge-shaped portion with an apex edge, and a second magnetic field guide having a wedge-shaped portion with an apex edge. The apex edge of the first magnetic field guide is aligned substantially across from and parallel to the apex edge of the second magnetic field guide, and the device is configured to separate magnetically labeled moieties from non-magnetically labeled moieties in the sample. Also provided are methods of using the devices, as well as systems and kits configured for use with the devices and methods.

대표청구항 ▼

1. A device for separating magnetically labeled moieties in a sample, the device comprising: a first magnetic field source;magnetic field guides consisting of: a first magnetic field guide having a wedge-shaped portion with a single apex edge anda second magnetic field guide having a wedge-shaped portion with a single apex edge; anda conduit consisting of a single linear flow channel having a longitudinal axis that is parallel to a longitudinal axis of the first magnetic field guide and a longitudinal axis of the second magnetic field guide,wherein one or more of the first and second magnetic field guides is configured to increase a magnetic flux from the magnetic field source, the single apex edges of the first and second magnetic field guides are aligned substantially across from and parallel to each other, and the device is configured to separate magnetically labeled moieties from non-magnetically labeled moieties in the sample. 2. The device of claim 1, wherein the first and second magnetic field guides have cross-sectional profiles that taper to a point or are rounded at their apex edges. 3. The device of claim 1, wherein the apex edges of the first and second magnetic field guides each have a linear profile. 4. The device of claim 1, wherein the first and second magnetic field guides each comprise a soft magnet, and the magnetic field source comprises a permanent magnet. 5. The device of claim 1, further comprising a second magnetic field source, wherein the first magnetic field guide is disposed on a surface of the magnetic field source facing the second magnetic field guide and is configured to increase the magnetic flux from the magnetic field source, and the second magnetic field guide is disposed on a surface of the second magnetic field source facing the first magnetic field guide is configured to increase a magnetic flux from the second magnetic field source. 6. The device according to claim 1, wherein the conduit is positioned between the first and second magnetic field guides such that its central longitudinal axis is equidistant from the apex edges of the first and second magnetic field guides. 7. The device according to claim 1, wherein the conduit has a rectangular cross-sectional profile. 8. The device according to claim 1, wherein the conduit has a cross-sectional area upstream from the portion of the conduit positioned between the magnetic field guides that is greater than the cross-sectional area of the portion of the conduit positioned between the magnetic field guides. 9. The device according to claim 1, wherein the conduit is operatively coupled to a conduit holder. 10. The device according to claim 5, wherein the first magnetic field source and the second magnetic field source have magnetization vectors aligned in substantially the same direction.

이 특허에 인용된 특허 (93)

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A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Devices and methods for separating magnetically labeled moieties in a sample 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허에 인용된 특허 (93)

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연합인증

Devices and methods for separating magnetically labeled moieties in a sample 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (93)

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