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    • 2. 发明申请
    • SYSTEM AND METHOD FOR MULTI-SCALE CLOSED-LOOP EYE TRACKING WITH REAL-TIME IMAGE MONTAGING
    • 用于实时图像聚合的多尺度闭环眼跟踪的系统和方法
    • US20160345828A1
    • 2016-12-01
    • US15158803
    • 2016-05-19
    • Qiang YangJie Zhang
    • Qiang YangJie Zhang
    • A61B3/15G02B26/10A61B3/12A61B3/113A61B3/00
    • A61B3/152A61B3/0025A61B3/113A61B3/1225G02B26/105
    • A system for multi-scale closed-loop eye tracking to compensate for translation and rotation motion while imaging in vivo a surface area of an internal structure of an eye of a subject includes a narrow field imaging device optically coupled to an optical path to receive light reflected from the surface area of the structure of the eye. A wide field camera is optically coupled to the optical path by a beam splitter disposed in the optical path. A tracking mirror is disposed in the optical path between the beam splitter and the structure of the eye. A control process algorithm actively compensates substantially in real time for both translational and rotational movements of the eye. A system where a torsional correction device causes a rotating movement of a subject's head and a method for multi-scale closed-loop eye tracking are also described.
    • 一种用于多尺度闭环眼睛跟踪的系统,用于补偿平移和旋转运动,同时在体内成像对象的眼睛的内部结构的表面区域包括光学耦合到光路以接收光的窄场成像装置 从眼睛结构的表面积反射出来。 通过设置在光路中的分束器将宽视场摄像机光耦合到光路。 跟踪镜设置在分束器和眼睛结构之间的光路中。 控制过程算法主动地实时补偿眼睛的平移和旋转运动。 还描述了一种系统,其中扭转校正装置引起受试者的头部的旋转运动以及用于多尺度闭环眼睛跟踪的方法。
    • 6. 发明授权
    • Method of making magnetics assembly
    • 制作磁性装配的方法
    • US08869383B2
    • 2014-10-28
    • US13523076
    • 2012-06-14
    • Yong-Chun XuJie Zhang
    • Yong-Chun XuJie Zhang
    • H01F7/06H01F17/06H01F27/28
    • H01F17/062H01F27/2823H01F27/2828H01F41/07H01F41/08Y10T29/4902Y10T29/49069Y10T29/49071Y10T29/49073Y10T29/49075
    • A magnetics assembly (100) including a transformer (1) made of litz wire. The transformer includes a toroid core (2) and a bundle of wires (3) winding around the toroid core. The bundle of wires includes first to eighth wires, and has a central portion with all eight wires twisted together and winding around the toroid core. First and second ends of the bundle of wires oppositely extend out from the toroidal core. The ends of the first to eighth wires are connected to form a primary and a secondary coils of the transformer, wherein the second ends of the first wire and the second wire, and the first ends of the third wire and the fourth wire are sorted out to form central taps (35, 36) of the primary and secondary coils, respectively.
    • 磁性组件(100)包括由绞合线制成的变压器(1)。 变压器包括环形磁芯(2)和缠绕在环形磁芯周围的电线束(3)。 电线束包括第一至第八导线,并且具有中心部分,所有八条线绞合在一起并围绕环形芯线缠绕。 线束的第一和第二端从环形芯相对地延伸出来。 连接第一至第八导线的端部以形成变压器的初级线圈和次级线圈,其中第一线和第二线的第二端以及第三线和第四线的第一端被整理 以分别形成初级和次级线圈的中心抽头(35,36)。
    • 9. 发明授权
    • Immunoassay
    • 免疫测定
    • US08679772B2
    • 2014-03-25
    • US12996609
    • 2008-06-06
    • Zhiqiang GaoJie Zhang
    • Zhiqiang GaoJie Zhang
    • G01N33/53
    • G01N33/5438G01N33/54306
    • The invention provides a highly sensitive immunoassay for detection of a biological species. The immunoassay comprises exposing an electrode to an analyte liquid putatively containing the biological species so as to couple the biological species, if present in the analyte liquid, to a binding antibody on the electrode. The electrode comprises a binding antibody and an anchor group, each being coupled to an electrically conductive substrate, said binding antibody being capable of binding to the biological species and said anchor group being capable of binding to a redox polymer. The electrode is then exposed to an antibody-enzyme liquid comprising an antibody-enzyme species, said antibody-enzyme species comprising a detection antibody capable of binding to the biological species, said detection antibody being coupled to a redox enzyme, whereby, if the analyte liquid comprises the biological species, the redox enzyme couples to the electrode by means of the coupling of both the detection antibody and the binding antibody to the biological species. The electrode is then exposed to a polymer solution comprising the redox polymer and to an enzyme substrate, whereby if the redox enzyme is coupled to the anchor group on the electrode the redox polymer is reduced and couples to the anchor group on the electrode. A voltage is then applied between the electrode and a reference electrode and the electrode is exposed to an oxidizable species, whereby a magnitude of an electric current between said electrode and a reference electrode is indicative of the presence or absence of the biological species.
    • 本发明提供用于检测生物物种的高度灵敏的免疫测定。 免疫测定包括将电极暴露于假设含有生物物质的分析物液体,以将生物物质(如果存在于分析物液体中)与电极上的结合抗体相连接。 电极包含结合抗体和锚定基团,每个锚定基团与导电底物偶联,所述结合抗体能够结合生物物种,所述锚定基团能够结合至氧化还原聚合物。 然后将电极暴露于包含抗体 - 酶物质的抗体 - 酶液体,所述抗体 - 酶物质包含能够结合生物物种的检测抗体,所述检测抗体与氧化还原酶偶联,由此,如果分析物 液体包括生物物种,氧化还原酶通过检测抗体和结合抗体与生物物种的偶联而与电极偶联。 然后将电极暴露于包含氧化还原聚合物和酶底物的聚合物溶液,由此如果氧化还原酶与电极上的锚定基团偶联,则氧化还原聚合物被还原并连接到电极上的锚定基团上。 然后将电压施加在电极和参考电极之间,并且电极暴露于可氧化物质,由此所述电极和参比电极之间的电流的大小指示生物物种的存在或不存在。
    • 10. 发明授权
    • Compositions and methods for bone formation and remodeling
    • 用于骨形成和重塑的组合物和方法
    • US08637506B2
    • 2014-01-28
    • US10849067
    • 2004-05-19
    • Dianqing WuYazhou ZhangPeng LiuXiaofeng LiJie ZhangJufang ShanDean Engelhardt
    • Dianqing WuYazhou ZhangPeng LiuXiaofeng LiJie ZhangJufang ShanDean Engelhardt
    • A61K31/535C07C50/18
    • G01N33/6893A61K38/00G01N33/6887G01N2500/00G01N2800/10G01N2800/108
    • The mechanism by which the high bone mass (HBM) mutation (G171V) of the Wnt coreceptor LRP5 regulates the canonical Wnt signaling was investigated. The mutation was previously shown to reduce Dkk protein-1-mediated antagonism, suggesting that the first YWTD repeat domain where G171 is located may be responsible for Dkk protein-mediated antagonism. However, we found that the third YWTD repeat, but not the first repeat domain, is required for DKK1-mediated antagonism. Instead, we found that the G171V mutation disrupted the interaction of LRP5 with Mesd, a chaperon protein for LRP5/6 that is required for the coreceptors' transport to cell surfaces, resulting in less LRP5 molecules on the cell surface. Although the reduction in the level of cell surface LRP5 molecules led to a reduction in Wnt signaling in a paracrine paradigm, the mutation did not appear to affect the activity of coexpressed Wnt in an autocrine paradigm. Together with the observation that osteoblast cells produce autocrine canonical Wnt, Wnt7b, and that osteocytes produce paracrine Dkk1, we believe that the G171V mutation may cause an increase in Wnt activity in osteoblasts by reducing the number of targets for paracrine Dkk1 to antagonize without affecting the activity of autocrine Wnt.
    • 研究了Wnt共同受体LRP5的高骨量(HBM)突变(G171V)调节规范Wnt信号传导的机制。 以前显示突变可以降低Dkk蛋白-1介导的拮抗作用,这表明G171位于第一个YWTD重复结构域可能是Dkk蛋白介导的拮抗作用的原因。 然而,我们发现第三个YWTD重复,但不是第一个重复结构域,是DKK1介导的拮抗作用所必需的。 相反,我们发现G171V突变破坏了LRP5与Mesd的相互作用,Mesd是共受体转运到细胞表面所需的LRP5 / 6的伴侣蛋白,导致细胞表面上较少的LRP5分子。 尽管细胞表面LRP5分子水平的降低导致旁分泌范例中Wnt信号传导的降低,但突变似乎不影响共表达Wnt在自分泌范式中的活性。 连同观察到成骨细胞产生自分泌的正常Wnt,Wnt7b,并且该骨细胞产生旁分泌的Dkk1,我们认为G171V突变可能通过减少旁分泌Dkk1靶向拮抗的目标数量引起成骨细胞中Wnt活性的增加,而不会影响 自分泌Wnt的活性。