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    • 2. 发明申请
    • DEVICE FOR FILTRATION OF FLUIDS THERE THROUGH AND ACCOMPANYING METHOD
    • 用于通过并伴随方法过滤流体的装置
    • WO2010123594A2
    • 2010-10-28
    • PCT/US2010021195
    • 2010-01-15
    • CHILDRENS MEDICAL CENTERYUNG CHONG WINGINGBER DONALD E
    • YUNG CHONG WINGINGBER DONALD E
    • B03C5/02B01D17/032B03C1/02G01N1/34G01N33/48
    • B03C1/01B03C1/288B03C2201/18G01N1/40G01N33/54326G01N33/54366
    • A microfluidic device for separating target components from a source fluid includes one or more source channels connected to one or more collection channels by one or more transfer channels. The target components of the source fluid can be magnetic or bound to magnetic particles using a know binding agent. A source fluid containing magnetically bound target components can be pumped through the source channel of the microfluidic device. A magnetic field gradient can be applied to the source fluid in the source channel causing the magnetically bound target components to migrate through the transfer channel into the collection channel. The collection channel can include a collection fluid that is stagnant until a predefined volume of source fluid is processed or a predefined volume of target components accumulate in the collection channel, at which point collection fluid can be pumped into the collection channel to flush the target components out of the collection channel. The target components can be subsequently analyzed for detection and diagnosis.
    • 用于从源流体分离目标组分的微流体装置包括通过一个或多个传输通道连接到一个或多个收集通道的一个或多个源通道。 源流体的目标组分可以是磁性的或使用已知粘合剂结合到磁性颗粒。 含有磁性结合的目标组分的源流体可以通过微流体装置的源通道泵送。 磁场梯度可以应用于源通道中的源流体,使得磁性结合的目标组分通过传输通道迁移到收集通道中。 收集通道可包括静止的收集流体,直到预定量的源流体被处理或预定体积的目标组分积聚在收集通道中,在该点处收集流体可被泵送到收集通道中以冲洗目标组分 脱离收集渠道。 随后可以分析目标组分以进行检测和诊断。
    • 9. 发明申请
    • GUIDED SELF-ASSEMBLY OF MATRICES WITH ORDERD NANO-SCALE STRUCTURE FOR TISSUE ENGINEERING
    • 指导用于组织工程的订单纳米尺度结构的矩阵自组装
    • WO2008127295A2
    • 2008-10-23
    • PCT/US2007022397
    • 2007-10-22
    • CHILDRENS MEDICAL CENTERINGBER DONALD E
    • INGBER DONALD E
    • H04Q7/22
    • C12N5/0075C12N2533/56C12N2535/10
    • Described herein are methods for producing structures useful, for example, for tissue engineering. In their most general form, the methods described herein involve an enzyme activity immobilized on a surface, which is placed in contact with a solution comprising polypeptide monomers. The activity of the enzyme modifies the polypeptide monomers to promote polymerization of the monomers to form polymer structures associated with the surface. Thus, the methods described herein provide a guided self-assembly of polypeptide structures. In preferred embodiments, the self assembly is guided to form regular lattices or other specific structures by specifying the arrangement of the surfaces to which the enzyme, optionally with one or more co-factors, is attached.
    • 这里描述的是用于产生可用于例如组织工程的结构的方法。 在其最一般的形式中,本文描述的方法涉及固定在表面上的酶活性,其被置于与包含多肽单体的溶液接触。 酶的活性改变多肽单体以促进单体的聚合以形成与表面相关的聚合物结构。 因此,本文所述的方法提供多肽结构的引导自组装。 在优选的实施方案中,通过指定酶,任选地与一个或多个辅因子连接的表面的布置,引导自组装形成规则晶格或其它特定结构。
    • 10. 发明申请
    • APPARATUS AND METHOD FOR NANOMANIPULATION OF BIOMOLECULES AND LIVING CELLS
    • 生物分子和生物细胞纳米生物的装置和方法
    • WO2006039675A3
    • 2006-06-29
    • PCT/US2005035551
    • 2005-10-03
    • CHILDRENS MEDICAL CENTERINGBER DONALD EMATTHEWS BENJAMIN DLAVAN DAVID AOVERBY DARRYL
    • INGBER DONALD EMATTHEWS BENJAMIN DLAVAN DAVID AOVERBY DARRYL
    • A61N2/00
    • A61B18/08A61M2037/0046A61N2/002
    • The present invention relates to an electromagnetic needle for magnetically manipulating microscopic particles and a method of making the same, and more particularly, to a method for nanomanipulating biomolecules and/or living cells using the electromagnetic needle of the present invention. The temperature-controlled electromagnetic microneedle includes an electromagnetic core having a magnetic probe tip. A wire coil is wound around at least a portion of the core and electrically isolated from the core. A thermo-regulating water jacket having a first and second end and enveloping the electromagnetic core and wire coil allows the probe tip to extend from the first end. Magnetically responsive particles upon which a biologically active substance is absorbed are administered to a subject. A catheter having a magnet attached thereto is inserted into the body of the subject. The magnet guides the particles to a site to be treated with the biologically active substance.
    • 本发明涉及一种用于磁微操作微粒的电磁针及其制造方法,更具体地说,涉及使用本发明的电磁针对生物分子和/或活细胞进行纳米操作的方法。 温度控制电磁微针包括具有磁性探头尖端的电磁铁心。 线圈缠绕在芯的至少一部分上并与芯电隔离。 具有第一端和第二端并包封电磁铁芯和线圈线圈的热调节水套允许探针尖端从第一端延伸。 对受试者施用吸收了生物活性物质的磁性响应性颗粒。 具有附着于其上的磁体的导管插入到受试者的身体中。 磁体将颗粒引导到要用生物活性物质处理的部位。