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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0764390 (2013-02-11) |
등록번호 | US-9422523 (2016-08-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 465 |
Improved flow cytometer system particularly adapted to use for sex-selected sperm sorting include enhanced sheath fluid and other strategies which minimize stress on the sperm cells, including a 2.9 percent sodium citrate sheath solution for bovine species and a hepes bovine gamete media for equine
Improved flow cytometer system particularly adapted to use for sex-selected sperm sorting include enhanced sheath fluid and other strategies which minimize stress on the sperm cells, including a 2.9 percent sodium citrate sheath solution for bovine species and a hepes bovine gamete media for equine species. Improved collection systems and techniques for the process are described so that commercial applications of sperms samples as well as the resulting animals may be achieved.
1. A method of isolating desired cells comprising the steps of: a) supplying sperm cells to a nozzle of a flow cytometer;b) supplying a sheath fluid comprising a citrate to the nozzle; wherein the citrate is added to the sheath fluid prior to supplying the sheath fluid to the nozzle;c) producing a s
1. A method of isolating desired cells comprising the steps of: a) supplying sperm cells to a nozzle of a flow cytometer;b) supplying a sheath fluid comprising a citrate to the nozzle; wherein the citrate is added to the sheath fluid prior to supplying the sheath fluid to the nozzle;c) producing a stream containing the sperm cells from the nozzle;d) sensing a property of sperm cells in the stream, the sensed property being indicative of a sex characteristic;e) identifying X-chromosome bearing and/or Y-chromosome bearing sperm cells in the stream; andf) collecting said X-chromosome bearing and/or Y-chromosome bearing sperm cells. 2. The method of claim 1, wherein the citrate comprises a chemical within the citric acid cycle. 3. The method of claim 1, wherein the sperm cells are stained with Hoechst 33342. 4. The method of claim 1, wherein the step of collecting sperm cells having the desired sex characteristic comprises charging drops based on the sensed properties of the sperm cells contained within those drops and deflecting those drops to an appropriate collector. 5. The method of claim 4, wherein the collector comprises a stream matched container. 6. The method of claim 1, wherein the sperm cells are present in a pre-sort environment prior to being supplied to the nozzle and wherein the sperm cells are present in a post-sort environment in a collector. 7. The method of claim 6, wherein the pre-sort environment and/or the post sort environment comprise a citrate.
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