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    • 6. 发明授权
    • Methods for making a multicomponent hemostatic dressing
    • 制备多组分止血敷料的方法
    • US08168229B2
    • 2012-05-01
    • US12299842
    • 2006-09-27
    • Gustavo LarsenRuben Spretz
    • Gustavo LarsenRuben Spretz
    • A61K35/16A61F13/00
    • A61F13/00991A61F2013/00463A61L15/32A61L15/64A61L2400/04
    • A method of making a pliable, bioabsorbable hemostatic dressing wherein the dressing is composed of fibers with at least one molecular-scale coating, which upon first contact with blood and due to a large area of contact with blood per unit weight of active ingredients, initiates and accelerates the biochemical blood clotting cascade processes. The steps of the method include dissolving in an organic solvent one or more soluble bioabsorbable polymers and organic or aqueous-organic media of non-protein constituents to create a homogeneous mixture; forming fibers from the homogeneous mixture; adding to the fibers a molecular-scale first coating of one or more proteins of blood clotting species that minimally react with each other; and optionally adding a second coating of one or more proteins of blood clotting species to the fibers that minimally react with each other and that, together with the one or more proteins of blood clotting species in the molecular-scale first coating, induce blood coagulation in the presence of blood. The fibers may optionally have occluded in them or at their surface other chemicals of abiological or biological origin that aid in the blood clotting process.
    • 一种制造柔韧的生物吸收性止血敷料的方法,其中所述敷料由具有至少一种分子级涂层的纤维组成,其在首次接触血液并且由于与每单位重量活性成分的血液接触面积大时,起始 并加速生化血液凝固级联过程。 该方法的步骤包括在有机溶剂中溶解一种或多种可溶性生物可吸收聚合物和非蛋白质组分的有机或水性有机介质以产生均匀混合物; 从均匀混合物形成纤维; 向所述纤维添加一种或多种最小程度地彼此反应的凝血物质的蛋白质的分子级第一次涂层; 并且任选地将一种或多种血液凝固物质的第二涂层添加到彼此最少反应的纤维中,并且与分子级第一涂层中的一种或多种血液凝固物质的蛋白质一起诱导血液凝固 血液的存在 纤维可以任选地在其中或在其表面上封闭有助于血液凝固过程的生物或生物来源的其它化学物质。
    • 8. 发明申请
    • METHODS AND MATERIALS FOR AMPLIFICATION OF A SIGNAL IN AN IMMUNOASSAY
    • 免疫学信号放大的方法和材料
    • US20090203053A1
    • 2009-08-13
    • US12244538
    • 2008-10-02
    • Gustavo LarsenRaffett Velarde Ortiz
    • Gustavo LarsenRaffett Velarde Ortiz
    • G01N33/543
    • G01N33/542B82Y25/00G01N33/5434G01N33/54346
    • Ultrafine particles are provided having a core region that has a signal amplifying molecule and a shell region that surrounds the core region. The shell region has at least one antibody affixed to its surface that is specific for at least one antigen. Alternatively, the ultrafine particles may entrap the signal amplifying molecule within its matrix and may also have antibodies affixed to its surface for molecular recognition. Ultrafine particles are also provided having a matrix component that includes a signal amplifying molecule and at least one antibody specific for the antigen or biomaterial. The ultrafine particles of the present disclosure may be used in assays for the detection, including quantification, of one or more antigens present in a biological sample.
    • 提供具有核心区域的超细颗粒,其具有信号放大分子和围绕核心区域的壳区域。 壳区域具有至少一个附着于其表面的抗体,其对至少一种抗原是特异性的。 或者,超细颗粒可以将信号放大分子捕获在其基质内,并且还可以具有附着于其表面的抗体用于分子识别。 还提供了具有包含信号放大分子和对抗原或生物材料特异性的至少一种抗体的基质组分的超细颗粒。 本公开的超细颗粒可用于生物样品中存在的一种或多种抗原的检测(包括定量)的测定。
    • 9. 发明申请
    • Methods for Making a Multicomponent Hemostatic Dressing
    • 制造多组分止血敷料的方法
    • US20090181072A1
    • 2009-07-16
    • US12299842
    • 2006-09-27
    • Gustavo LarsenRuben Spretz
    • Gustavo LarsenRuben Spretz
    • A61L15/00
    • A61F13/00991A61F2013/00463A61L15/32A61L15/64A61L2400/04
    • A method of making a pliable, bioabsorbable hemostatic dressing wherein the dressing is composed of fibers with at least one molecular-scale coating, which upon first contact with blood and due to a large area of contact with blood per unit weight of active ingredients, initiates and accelerates the biochemical blood clotting cascade processes. The steps of the method include dissolving in an organic solvent one or more soluble bioabsorbable polymers and organic or aqueous-organic media of non-protein constituents to create a homogeneous mixture; forming fibers from the homogeneous mixture; adding to the fibers a molecular-scale first coating of one or more proteins of blood clotting species that minimally react with each other; and optionally adding a second coating of one or more proteins of blood clotting species to the fibers that minimally react with each other and that, together with the one or more proteins of blood clotting species in the molecular-scale first coating, induce blood coagulation in the presence of blood. The fibers may optionally have occluded in them or at their surface other chemicals of abiological or biological origin that aid in the blood clotting process.
    • 一种制造柔韧的生物吸收性止血敷料的方法,其中所述敷料由具有至少一种分子级涂层的纤维组成,其在首次接触血液并且由于与每单位重量活性成分的血液接触面积大时,起始 并加速生化血液凝固级联过程。 该方法的步骤包括在有机溶剂中溶解一种或多种可溶性生物可吸收聚合物和非蛋白质组分的有机或水性有机介质以产生均匀混合物; 从均匀混合物形成纤维; 向所述纤维添加一种或多种最小程度地彼此反应的凝血物质的蛋白质的分子级第一次涂层; 并且任选地将一种或多种血液凝固物质的第二涂层添加到彼此最少反应的纤维中,并且与分子级第一涂层中的一种或多种血液凝固物质的蛋白质一起诱导血液凝固 血液的存在 纤维可以任选地在其中或在其表面上封闭有助于血液凝固过程的生物或生物来源的其它化学物质。
    • 10. 发明授权
    • Methods and materials for amplification of a signal in an immunoassay
    • 用于在免疫测定中扩增信号的方法和材料
    • US08530244B2
    • 2013-09-10
    • US12244538
    • 2008-10-02
    • Gustavo LarsenRaffett Velarde Ortiz
    • Gustavo LarsenRaffett Velarde Ortiz
    • G01N21/76
    • G01N33/542B82Y25/00G01N33/5434G01N33/54346
    • Ultrafine particles are provided having a core region that has a signal amplifying molecule and a shell region that surrounds the core region. The shell region has at least one antibody affixed to its surface that is specific for at least one antigen. Alternatively, the ultrafine particles may entrap the signal amplifying molecule within its matrix and may also have antibodies affixed to its surface for molecular recognition. Ultrafine particles are also provided having a matrix component that includes a signal amplifying molecule and at least one antibody specific for the antigen or biomaterial. The ultrafine particles of the present disclosure may be used in assays for the detection, including quantification, of one or more antigens present in a biological sample.
    • 提供具有核心区域的超细颗粒,其具有信号放大分子和围绕核心区域的壳区域。 壳区域具有至少一个附着于其表面的抗体,其对至少一种抗原是特异性的。 或者,超细颗粒可以将信号放大分子捕获在其基质内,并且还可以具有附着于其表面的抗体用于分子识别。 还提供了具有包含信号放大分子和对抗原或生物材料特异性的至少一种抗体的基质组分的超细颗粒。 本公开的超细颗粒可用于生物样品中存在的一种或多种抗原的检测(包括定量)的测定。