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    • 2. 发明申请
    • FABRICATION OF CONDUCTIVE PATHWAYS, MICROCIRCUITS AND MICROSTRUCTURES IN MICROFLUIDIC NETWORKS
    • 微流控网络中导电路径,微型计算机和微结构的制造
    • WO2007061448A3
    • 2008-08-28
    • PCT/US2006019787
    • 2006-05-18
    • HARVARD COLLEGEBRUZEWICZ DEREK ABONCHEVA-BETTEX MILAWHITESIDES GEORGE MSIEGEL ADAMWEIBEL DOUGLAS BSHEVKOPLYAS SERGEYMARTINEZ ANDRES
    • BRUZEWICZ DEREK ABONCHEVA-BETTEX MILAWHITESIDES GEORGE MSIEGEL ADAMWEIBEL DOUGLAS BSHEVKOPLYAS SERGEYMARTINEZ ANDRES
    • H05K3/10B01F13/00B01L3/00B29C39/12
    • H05K3/101B01L3/5027B01L3/502707B01L2200/12B01L2300/0645B01L2300/0816B01L2300/0874B01L2400/0415B33Y80/00H05K1/0272H05K1/032H05K3/389H05K2201/0162H05K2201/0305H05K2203/128Y10T29/49117
    • Disclosed herein are a variety of microfluidic devices and solid, typically electrically conductive devices that can be formed using such devices as molds. In certain embodiments, the devices that are formed comprise conductive pathways formed by solidifying a liquid metal present in one or more microfluidic channels (such devices hereinafter referred to as "microsolidic" devices). In certain such devices, in which electrical connections can be formed and/or reformed between regions in a microfluidic structure; in some cases, the devices/circuits formed may be flexible and/or involve flexible electrical components. In certain embodiments, the solid metal wires/conductive pathways formed in microfluidic channel(s) may remain contained within the microfluidic structure. In certain such embodiments, the conductive pathways formed may be located in proximity to other microfluidic channel(s) of the structure that carry flowing fluid, such that the conductive pathway can create energy (e.g. electromagnetic and/or thermal energy) that interacts withy and/or affects the flowing fluid and/or a component contained therein or carried thereby. In other embodiments, a microsolidic structure may be removed from a microfluidic mold to form a stand-alone structure. In certain embodiments, the solid metal structures formed may interact with light energy incident upon a structure or may be used to fabricate a light-weight electrode. Another aspect of the invention relates to the formation of self-assembled structures that may comprise these electrically conductive pathways/connections.
    • 本文公开了各种微流体装置和可以使用诸如模具的装置形成的固体,通常导电的装置。 在某些实施方案中,形成的装置包括通过固化存在于一个或多个微流体通道(这种装置在下文中称为“微溶体”装置)中的液态金属形成的导电通路。 在某些这样的装置中,其中可以在微流体结构的区域之间形成和/或重组电连接; 在一些情况下,所形成的器件/电路可能是柔性的和/或涉及柔性电气部件。 在某些实施方案中,在微流体通道中形成的固体金属线/导电路径可以保持在微流体结构内。 在某些这样的实施例中,所形成的导电路径可以位于结构的其它微流体通道附近,其携带流动的流体,使得导电路径可以产生与...相互作用的能量(例如电磁和/或热能) /或影响流动的流体和/或其中所含的或由其携带的部件。 在其它实施方案中,微溶体结构可以从微流体模具中移除以形成独立结构。 在某些实施方案中,形成的固体金属结构可与入射到结构上的光能相互作用,或者可用于制造轻质电极。 本发明的另一方面涉及可以包括这些导电路径/连接的自组装结构的形成。
    • 3. 发明申请
    • FABRICATION OF CONDUCTIVE PATHWAYS, MICROCIRCUITS AND MICROSTRUCTURES IN MICROFLUIDIC NETWORKS
    • 导电路径的制造,微流控网络中的微处理器和微结构
    • WO2007061448A9
    • 2007-07-26
    • PCT/US2006019787
    • 2006-05-18
    • HARVARD COLLEGEBRUZEWICZ DEREK ABONCHEVA-BETTEX MILAWHITESIDES GEORGE MSIEGEL ADAMWEIBEL DOUGLAS BSHEVKOPLYAS SERGEYMARTINEZ ANDRES
    • BRUZEWICZ DEREK ABONCHEVA-BETTEX MILAWHITESIDES GEORGE MSIEGEL ADAMWEIBEL DOUGLAS BSHEVKOPLYAS SERGEYMARTINEZ ANDRES
    • H05K3/10
    • H05K3/101B01L3/5027B01L3/502707B01L2200/12B01L2300/0645B01L2300/0816B01L2300/0874B01L2400/0415B33Y80/00H05K1/0272H05K1/032H05K3/389H05K2201/0162H05K2201/0305H05K2203/128Y10T29/49117
    • Disclosed herein are a variety of microfluidic devices and solid, typically electrically conductive devices that can be formed using such devices as molds. In certain embodiments, the devices that are formed comprise conductive pathways formed by solidifying a liquid metal present in one or more microfluidic channels (such devices hereinafter referred to as "microsolidic" devices). In certain such devices, in which electrical connections can be formed and/or reformed between regions in a microfluidic structure; in some cases, the devices/circuits formed may be flexible and/or involve flexible electrical components. In certain embodiments, the solid metal wires/conductive pathways formed in microfluidic channel(s) may remain contained within the microfluidic structure. In certain such embodiments, the conductive pathways formed may be located in proximity to other microfluidic channel(s) of the structure that carry flowing fluid, such that the conductive pathway can create energy (e.g. electromagnetic and/or thermal energy) that interacts withy and/or affects the flowing fluid and/or a component contained therein or carried thereby. In other embodiments, a microsolidic structure may be removed from a microfluidic mold to form a stand-alone structure. In certain embodiments, the solid metal structures formed may interact with light energy incident upon a structure or may be used to fabricate a light-weight electrode. Another aspect of the invention relates to the formation of self-assembled structures that may comprise these electrically conductive pathways/connections.
    • 本文公开了各种微流体装置和可以使用诸如模具的装置形成的固体,通常导电的装置。 在某些实施方案中,所形成的装置包括通过固化存在于一个或多个微流体通道中的液体金属形成的导电通路(以下称为“微溶体”装置)。 在某些这样的器件中,其中可以在微流体结构中的区域之间形成和/或重组电连接; 在一些情况下,形成的器件/电路可以是柔性的和/或涉及柔性电气部件。 在某些实施方案中,在微流体通道中形成的固体金属线/导电路径可以保持在微流体结构内。 在某些这样的实施例中,所形成的导电路径可以位于结构的其他微流体通道附近,该流体通道携带流动的流体,使得导电路径可产生与其相互作用的能量(例如电磁和/或热能) /或影响流动的流体和/或其中所含的或由其携带的部件。 在其它实施方案中,微溶体结构可以从微流体模具中移除以形成独立结构。 在某些实施方案中,所形成的固体金属结构可与入射到结构上的光能相互作用,或者可用于制造轻质电极。 本发明的另一方面涉及可以包括这些导电路径/连接的自组装结构的形成。
    • 8. 发明申请
    • PATTERNING OF IONIC POLYMERS
    • 离子聚合物的构图
    • WO2008051432A3
    • 2009-04-09
    • PCT/US2007022219
    • 2007-10-18
    • HARVARD COLLEGELAHAV MICHALWINKLEMAN ADAMNAROVLYANSKY MAXPEREZ-CASTILLEJOS RAQUELWEISS EMILY ARODRIGUEZ LEONARD N JWHITESIDES GEORGE M
    • LAHAV MICHALWINKLEMAN ADAMNAROVLYANSKY MAXPEREZ-CASTILLEJOS RAQUELWEISS EMILY ARODRIGUEZ LEONARD N JWHITESIDES GEORGE M
    • G03F7/00
    • G03F7/0002B82Y10/00B82Y40/00Y10T428/24479
    • In one aspect, methods of patterning of thin films of an ionotropic polymer (e.g., poly(acrylic acid)) are provided. These processes can create micron or sub-micron-scale patterns of ionotropic polymers such as cation crosslinked poly(acrylic acid) (CCL- PAA). In one embodiment, patterning may be performed within microfluidic channels by flowing a solution of crosslinking agent (e.g., metal cations such as Ag+, Ca2+, Pd2+, Al3+, La3+, and Ti4+) that can crosslink a portion of an ionotropic polymer in contact with the solution. In another embodiment, methods of patterning ionotropic polymers involve photolithography. Upon patterning a positive photoresist (e.g., diazonaphthoquinone- novolac resin) on a film of CCL-PAA, the exposed regions of CCL-PAA can be etched by an aqueous solution. Advantageously, the patterned, crosslinked polymer may also serve as both a reactant and a matrix for subsequent chemistry. For example, in some embodiments, the initial crosslinking cation can be exchanged for a second cation that could not be patterned photolithographically. Patterned films of CCL-PAA can also be used to host and template the reduction of metallic cations to metallic nanoparticles, and to fabricate porous, low-k dielectric substrates.
    • 一方面,提供了离子型聚合物(例如聚(丙烯酸))的薄膜图案化方法。 这些方法可以产生离子型聚合物如阳离子交联的聚(丙烯酸)(CCL-PAA)的微米级或亚微米级的图案。 在一个实施方案中,可以在微流体通道内通过使交联剂(例如金属阳离子如Ag +,Ca 2+,Pd 2+,Al 3+,La 3+和Ti 4+)的溶液流过微流体通道,所述溶液可以将部分离子型聚合物与 解决方案。 在另一个实施方案中,构图离子型聚合物的方法涉及光刻。 在CCL-PAA膜上形成正性光致抗蚀剂(例如重氮萘酚 - 酚醛清漆树脂)之后,CCL-PAA的曝光区域可以通过水溶液进行蚀刻。 有利地,图案化的交联聚合物也可以用作反应物和用于后续化学的基质。 例如,在一些实施方案中,可以将初始交联阳离子交换为不能光刻图案化的第二阳离子。 CCL-PAA的图案化膜也可用于将金属阳离子还原为金属纳米颗粒,并制备多孔,低k电介质基底。
    • 9. 发明申请
    • MICROFLUIDIC DETECTOR
    • 微流体检测器
    • WO2008060449A2
    • 2008-05-22
    • PCT/US2007023595
    • 2007-11-09
    • HARVARD COLLEGEBUTTE MANISH JWONG AMY PSHARPE ARLENE HWHITESIDES GEORGE M
    • BUTTE MANISH JWONG AMY PSHARPE ARLENE HWHITESIDES GEORGE M
    • G01N33/543G01N33/569
    • G01N33/56972G01N33/54373G01N2333/16G01N2333/70503G01N2800/24
    • Articles and methods for determining an analyte indicative of a disease condition are provided. In some embodiments, articles and methods described herein can be used for determining a presence, qualitatively or quantitatively, of a component, such as a particular type of cell, in a fluid sample. In one particular embodiment, a low-cost microfluidic system for rapid detection of T cells is provided. The microfluidic system may use immobilized antibodies and adhesion molecules in a channel to capture T cells from a fluid sample such as a small volume of blood. The captured T cells may be labeled with a metal colloid (e.g., gold nanoparticles) using an antibody specific for the T Cell Receptor (TCR), and metallic silver can be catalytically precipitated onto the cells. The number of T cells captured can be counted and may indicate a disease condition of a patient such as severe combined immune deficiency or human immunodeficiency virus.
    • 提供了用于确定指示疾病状况的分析物的文章和方法。 在一些实施方案中,本文描述的制品和方法可以用于确定流体样品中组分(例如特定类型的细胞)的定性或定量存在。 在一个特定实施例中,提供了用于快速检测T细胞的低成本微流体系统。 微流体系统可以在通道中使用固定的抗体和粘附分子以从流体样本(例如小体积血液)捕获T细胞。 捕获的T细胞可以使用对T细胞受体(TCR)特异性的抗体用金属胶体(例如金纳米颗粒)标记,并且可以将金属银催化沉淀到细胞上。 捕获的T细胞的数量可以被计数,并且可以指示患者的疾病状况,例如严重的联合免疫缺陷或人类免疫缺陷病毒。