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    • 5. 发明申请
    • Hydrogel Nanoparticle Based Immunoassay
    • 水凝胶纳米粒子免疫测定
    • US20110236999A1
    • 2011-09-29
    • US13061507
    • 2009-08-26
    • Lance A. LiottaAlessandra LuchiniEmaneul F. PetricoinVirginia Espina
    • Lance A. LiottaAlessandra LuchiniEmaneul F. PetricoinVirginia Espina
    • G01N33/543B82Y15/00
    • G01N33/521G01N33/54333G01N33/54346
    • An immunoassay device incorporating porous polymeric capture nanoparticles within either the sample collection vessel or pre-impregnated into a porous substratum within fluid flow path of the analytical device is presented. This incorporation of capture particles within the immunoassay device improves sensitivity while removing the requirement for pre-processing of samples prior to loading the immunoassay device. A preferred embodiment is coreshell bait containing capture nanoparticles which perform three functions in one step, in solution: a) molecular size sieving, b) target analyte sequestration and concentration, and c) protection from degradation. The polymeric matrix of the capture particles may be made of co-polymeric materials having a structural monomer and an affinity monomer, the affinity monomer having properties that attract the analyte to the capture particle. This device is useful for point of care diagnostic assays for biomedical applications and as field deployable assays for environmental, pathogen and chemical or biological threat identification.
    • 提供了在分析装置的流体流动路径内将多孔聚合物捕获纳米颗粒结合到样品采集容器中或预浸渍到多孔基质内的免疫测定装置。 这种在免疫测定装置内的捕获颗粒的并入提高了灵敏度,同时在加载免疫测定装置之前消除了样品预处理的要求。 优选的实施方案是含有捕获纳米颗粒的芯壳诱饵,其在一个步骤中在溶液中进行三个功能:a)分子筛分,b)目标分析物螯合和浓缩,以及c)防止降解。 捕获颗粒的聚合物基质可以由具有结构单体和亲和单体的共聚物制成,亲和单体具有将分析物吸引到捕获颗粒的性质。 该设备可用于生物医学应用的护理点诊断分析以及环境,病原体和化学或生物威胁鉴定的现场部署测定。
    • 6. 发明授权
    • Hydrogel nanoparticle based immunoassay
    • 基于水凝胶纳米颗粒的免疫测定
    • US09012240B2
    • 2015-04-21
    • US13061507
    • 2009-08-26
    • Lance A. LiottaAlessandra LuchiniEmanuel F. PetricoinVirginia Espina
    • Lance A. LiottaAlessandra LuchiniEmanuel F. PetricoinVirginia Espina
    • G01N33/549G01N33/53G01N33/544G01N33/558G01N33/52G01N33/543
    • G01N33/521G01N33/54333G01N33/54346
    • An immunoassay device incorporating porous polymeric capture nanoparticles within either the sample collection vessel or pre-impregnated into a porous substratum within fluid flow path of the analytical device is presented. This incorporation of capture particles within the immunoassay device improves sensitivity while removing the requirement for pre-processing of samples prior to loading the immunoassay device. A preferred embodiment is coreshell bait containing capture nanoparticles which perform three functions in one step, in solution: a) molecular size sieving, b) target analyte sequestration and concentration, and c) protection from degradation. The polymeric matrix of the capture particles may be made of co-polymeric materials having a structural monomer and an affinity monomer, the affinity monomer having properties that attract the analyte to the capture particle. This device is useful for point of care diagnostic assays for biomedical applications and as field deployable assays for environmental, pathogen and chemical or biological threat identification.
    • 提供了在分析装置的流体流动路径内将多孔聚合物捕获纳米颗粒结合到样品采集容器中或预浸渍到多孔基质内的免疫测定装置。 这种在免疫测定装置内的捕获颗粒的并入提高了灵敏度,同时在加载免疫测定装置之前消除了样品预处理的要求。 优选的实施方案是含有捕获纳米颗粒的芯壳诱饵,其在一个步骤中在溶液中进行三个功能:a)分子筛分,b)目标分析物螯合和浓缩,以及c)防止降解。 捕获颗粒的聚合物基质可以由具有结构单体和亲和单体的共聚物制成,亲和单体具有将分析物吸引到捕获颗粒的性质。 该设备可用于生物医学应用的护理点诊断分析以及环境,病原体和化学或生物威胁鉴定的现场部署测定。