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    • 4. 发明申请
    • IN-LINE FILTRATION SYSTEMS
    • 在线过滤系统
    • US20090057210A1
    • 2009-03-05
    • US12193198
    • 2008-08-18
    • Kenneth Charles BarrettScott BoyetteCaibin XiaoZhaoyang Wan
    • Kenneth Charles BarrettScott BoyetteCaibin XiaoZhaoyang Wan
    • B01D61/58B01D35/22B01D35/157C02F1/00B01D35/30B01D36/00
    • B01D61/18B01D65/08B01D2315/08B01D2315/10B01D2321/2083C02F1/44C02F2303/16
    • A filtration system is disclosed that uses a combination of dead end filtration across opposing membranes with a sample take-off in the middle and cross-flow to prevent cake formation on these opposing filters. In one embodiment is a system that uses opposing filters with a central collection chamber that flips flow back and forth between the sides at a frequency that minimizes filter cake formation. In another embodiment, a combination flip-flip, cross flow system is disclosed. An additional embodiment discloses an actuator valve driven sampling system, in which valves collect the cross flow/counter flow filter cake samples as they are liberated from a filter surface and a quick through filter fluid pulse loosens the sample cake from the filter material. The invention increases effective operation time, allows for continuous filtration operation without interruption, and provides filtered samples that accurately represent the concentration of macromolecular species in industrial systems.
    • 公开了一种过滤系统,其使用在相对的膜上的死端过滤的组合以及在中间的样品取出和交叉流动以防止在这些相对的过滤器上形成饼状物。 在一个实施例中是一种系统,其使用具有中心收集室的相对的过滤器,所述中央收集室翻转以使滤饼形成最小化的频率在侧面之间来回流动。 在另一个实施例中,公开了一种组合式翻盖式横流系统。 另外的实施例公开了一种致动器阀驱动的采样系统,其中阀门从过滤器表面释放时收集交叉流/逆流滤饼样品,并且快速通过的过滤器流体脉冲使样品滤饼从过滤材料松开。 本发明增加了有效的操作时间,允许不间断的连续过滤操作,并提供了准确表示工业系统中大分子物质浓度的过滤样品。
    • 9. 发明授权
    • Process for concentrating and processing fluid samples
    • 浓缩和处理流体样品的方法
    • US08158405B2
    • 2012-04-17
    • US12215768
    • 2008-06-30
    • Scott BoyetteRong XuJing LuoWeiqing XuJing ChenWeimin XiaoTong Chen
    • Scott BoyetteRong XuJing LuoWeiqing XuJing ChenWeimin XiaoTong Chen
    • C12N1/06
    • C12Q1/24
    • A method of treating a liquid sample having microbiological target species therein to concentrate the species and collect lysate is disclosed. The liquid sample comprises non-target microbiological particles, inorganic particles, and microbiological target species. The liquid is passed through a prefilter medium to allow the target species to pass through as filtrate and retain non-target microbiological products and inorganic particles thereon. The filtrate is contacted with a main filtration medium adapted to retain the target species thereon as retentate. The retentate is lysed to form a lysate containing target material that was enveloped within the microbiological target species. The microbiological species may comprise cell containing or viral material. Target materials comprise intracellular nucleic acids, or in the case of viral sampling, nucleic acids encased within the protein sheath or coating of the virus.
    • 公开了一种处理其中具有微生物靶物种的液体样品以浓缩物种并收集裂解物的方法。 液体样品包括非目标微生物颗粒,无机颗粒和微生物目标物种。 使液体通过预过滤介质,使目标物质作为滤液通过,并在其上保留非目标微生物产物和无机颗粒。 将滤液与适于将其上保留目标物质的主过滤介质接触,作为保留物。 将渗余物溶解以形成包含在微生物目标物种内的目标物质的裂解物。 微生物物种可以包含含细胞或病毒物质。 目标材料包含细胞内核酸,或者在病毒取样的情况下,包含在病毒的蛋白质鞘或涂层内的核酸。
    • 10. 发明申请
    • Process for concentrating and processing fluid samples
    • 浓缩和处理流体样品的方法
    • US20090326211A1
    • 2009-12-31
    • US12215768
    • 2008-06-30
    • Scott BoyetteRong XuJing LuoWeiqing XuJing ChenWeimin XiaoTong Chen
    • Scott BoyetteRong XuJing LuoWeiqing XuJing ChenWeimin XiaoTong Chen
    • C07H1/06C12N1/06
    • C12Q1/24
    • A method of treating a liquid sample having microbiological target species therein to concentrate the species and collect lysate is disclosed. The liquid sample comprises non-target microbiological particles, inorganic particles, and microbiological target species. The liquid is passed through a prefilter medium to allow the target species to pass through as filtrate and retain non-target microbiological products and inorganic particles thereon. The filtrate is contacted with a main filtration medium adapted to retain the target species thereon as retentate. The retentate is lysed to form a lysate containing target material that was enveloped within the microbiological target species. The microbiological species may comprise cell containing or viral material. Target materials comprise intracellular nucleic acids, or in the case of viral sampling, nucleic acids encased within the protein sheath or coating of the virus.
    • 公开了一种处理其中具有微生物靶物种的液体样品以浓缩物种并收集裂解物的方法。 液体样品包括非目标微生物颗粒,无机颗粒和微生物目标物种。 使液体通过预过滤介质,使目标物质作为滤液通过,并在其上保留非目标微生物产物和无机颗粒。 将滤液与适于将其上保留目标物质的主过滤介质接触,作为保留物。 将渗余物溶解以形成包含在微生物目标物种内的目标物质的裂解物。 微生物物种可以包含含细胞或病毒物质。 目标材料包含细胞内核酸,或者在病毒取样的情况下,包含在病毒的蛋白质鞘或涂层内的核酸。