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    • 11. 发明申请
    • Biosensor for determining an allergen with operating procedures
    • 用于通过操作程序确定过敏原的生物传感器
    • US20050176067A1
    • 2005-08-11
    • US11049953
    • 2005-02-04
    • Maximilian FleischerCorinna HaindlHans MeixnerElfriede Simon
    • Maximilian FleischerCorinna HaindlHans MeixnerElfriede Simon
    • C12M1/34G01N33/53G01N33/537G01N33/543G01N33/68
    • G01N33/5438G01N33/6854
    • A biosensor is for detecting an allergen-specific immunoglobulin E (IgE) via antigen/antibody coupling. The biosensor includes a silicon substrate and at least one interdigital electrode pair structure applied to the silicon substrate with a gap between the electrode pairs of a maximum of 1.0 μm. A counter electrode is further applied to the silicon substrate. The biosensor also includes a reference electrode. Additionally, coatings are included on the biosensor. A first coat is made from protein coating at least the interdigital electrode structure; a selective second coat is made from protein applied over the first coat, the second coat containing a selected captor antibody; and a third coat is applied over the first coat, which contains the allergen which can couple to the captor antibody. A sensor signal can be readout at the interdigital electrode structure, if an allergen-specific immunoglobulin E (IgE) from a sample of a human blood serum in contact with a biosensor couples to the allergen present on the sensor surface. Further, an enzymatic release of a redox reactive molecule takes place on the sensor surface via an enzyme-marked detection antibody similarly coupled to the allergen-specific immumoglobulin E (IgE).
    • 生物传感器用于通过抗原/抗体偶联检测变应原特异性免疫球蛋白E(IgE)。 生物传感器包括硅衬底和至少一个指状硅电极对结构,其中电极对之间的间隙最大为1.0μm。 另外将对电极施加到硅衬底上。 生物传感器还包括参比电极。 另外,生物传感器上也包含涂层。 第一层由蛋白质涂层至少形成叉指电极结构; 选择性第二层由在第一层上施用的蛋白质制成,第二层包含选定的捕获抗体; 并且第三层涂覆在第一层上,其含有可以偶联到捕获体抗体的变应原。 如果来自与生物传感器接触的人血清样品的变应原特异性免疫球蛋白E(IgE)与存在于传感器表面上的变应原相耦合,则可以在叉指电极结构处读出传感器信号。 此外,通过类似地与变应原特异性免疫球蛋白E(IgE)偶联的酶标记的检测抗体,在传感器表面上发生氧化还原反应性分子的酶促释放。
    • 12. 发明授权
    • Biosensor and method for operating the latter
    • 生物传感器和操作后者的方法
    • US07851202B2
    • 2010-12-14
    • US10588493
    • 2005-01-27
    • Maximilian FleischerCorinna HaindlHans MeixnerElfriede Simon
    • Maximilian FleischerCorinna HaindlHans MeixnerElfriede Simon
    • C12M1/34C12M1/00C12Q1/26C12Q1/70
    • G01N33/5438
    • A biosensor for detecting an antigen using an antigen/antibody coupling includes: a silicon substrate, at least one interdigital electrode pair structure that is located on the silicon substrate, the electrode pair being interspaced at a maximum distance of 1.0 μm; a counter-electrode on the silicon substrate; a reference electrode; a first layer of protein, covering at least the interdigital electrode structure; a selective second protein layer applied to the first layer and containing a capture antibody selected specifically with respect to the antigen of interest and to which the antigen can be coupled. A sensor signal can be read on the interdigital electrode structure, if the antigen is coupled to the capture antibody by way of a sample to be analyzed that comes into contact with the biosensor and a redox reactive molecule is enzymatically released on the sensor surface by an enzyme-marked detection antibody likewise coupled to the antigen.
    • 用于使用抗原/抗体偶联检测抗原的生物传感器包括:硅衬底,位于硅衬底上的至少一个叉指电极对结构,电极对间隔1.0μm的最大距离; 在硅衬底上的对电极; 参考电极; 蛋白质的第一层,至少覆盖指状电极结构; 选择性第二蛋白质层,其施加到第一层并且含有相对于感兴趣的抗原特异性选择的抗体可以偶联的捕获抗体。 如果抗原通过与生物传感器接触的待分析样品与捕获抗体偶联,并且氧化还原反应性分子在传感器表面上被酶促释放,则可以在叉指电极结构上读取传感器信号 同样与抗原偶联的酶标记检测抗体。
    • 14. 发明授权
    • Gas-sensitive field-effect transistor with air gap
    • 具有气隙的气敏场效应晶体管
    • US07459732B2
    • 2008-12-02
    • US11396243
    • 2006-03-31
    • Maximilian FleischerUwe LampeHans MeixnerRoland PohleRalf SchneiderElfriede Simon
    • Maximilian FleischerUwe LampeHans MeixnerRoland PohleRalf SchneiderElfriede Simon
    • H01L27/108
    • G01N27/002G01N27/414
    • A gas-sensitive field-effect transistor may be formed from a substrate with a gas-sensitive layer and a transistor processed separately and then assembled. The substrate may be patterned to form spacers by which the height of an air gap between the transistor and the sensitive layer may be adjustable to a relatively precise degree. Formation of the spacers can be achieved by patterning the substrate using material-removal techniques. The height of the spacers may be adjusted in the layer thickness of the gas-sensitive layer and for the transistor fabricated using a CMOS process. Suitable techniques for producing recesses between the spacers include, for example, polishing, cutting, sandblasting, lithographic dry etching, or wet-chemical etching. Suitable materials for the substrate may include, for example, glass, ceramic, aluminum oxide, silicon, or a dimensionally stable polymer. Following preparation of the substrate and the transistor, the two elements of the transistor are joined, for example, using flip-chip methods or adhesive-bonding technology.
    • 气体敏感场效应晶体管可以由具有气体敏感层的衬底和分开处理的晶体管形成,然后组装。 衬底可以被图案化以形成间隔物,通过该间隔物,晶体管和敏感层之间的气隙的高度可以相对精确地调节。 可以通过使用材料去除技术对衬底进行图案化来实现间隔物的形成。 间隔物的高度可以在气敏层的层厚度和使用CMOS工艺制造的晶体管中进行调整。 用于在间隔件之间产生凹槽的合适技术包括例如抛光,切割,喷砂,光刻干蚀刻或湿法化学蚀刻。 用于基材的合适材料可以包括例如玻璃,陶瓷,氧化铝,硅或尺寸稳定的聚合物。 在准备衬底和晶体管之后,晶体管的两个元件例如使用倒装芯片方法或粘接技术连接。
    • 15. 发明申请
    • Gas-sensitive field-effect transistor with air gap
    • 具有气隙的气敏场效应晶体管
    • US20060260737A1
    • 2006-11-23
    • US11396243
    • 2006-03-31
    • Maximilian FleischerUwe LampeHans MeixnerRoland PohleRalf SchneiderElfriede Simon
    • Maximilian FleischerUwe LampeHans MeixnerRoland PohleRalf SchneiderElfriede Simon
    • B32B37/00
    • G01N27/002G01N27/414
    • A gas-sensitive field-effect transistor may be formed from a substrate with a gas-sensitive layer and a transistor processed separately and then assembled. The substrate may be patterned to form spacers by which the height of an air gap between the transistor and the sensitive layer may be adjustable to a relatively precise degree. Formation of the spacers can be achieved by patterning the substrate using material-removal techniques. The height of the spacers may be adjusted in the layer thickness of the gas-sensitive layer and for the transistor fabricated using a CMOS process. Suitable techniques for producing recesses between the spacers include, for example, polishing, cutting, sandblasting, lithographic dry etching, or wet-chemical etching. Suitable materials for the substrate may include, for example, glass, ceramic, aluminum oxide, silicon, or a dimensionally stable polymer. Following preparation of the substrate and the transistor, the two elements of the transistor are joined, for example, using flip-chip methods or adhesive-bonding technology.
    • 气体敏感场效应晶体管可以由具有气体敏感层的衬底和分开处理的晶体管形成,然后组装。 衬底可以被图案化以形成间隔物,通过该间隔物,晶体管和敏感层之间的气隙的高度可以相对精确地调节。 可以通过使用材料去除技术对衬底进行图案化来实现间隔物的形成。 间隔物的高度可以在气敏层的层厚度和使用CMOS工艺制造的晶体管中进行调整。 用于在间隔件之间产生凹槽的合适技术包括例如抛光,切割,喷砂,光刻干蚀刻或湿法化学蚀刻。 用于基材的合适材料可以包括例如玻璃,陶瓷,氧化铝,硅或尺寸稳定的聚合物。 在准备衬底和晶体管之后,晶体管的两个元件例如使用倒装芯片方法或粘接技术连接。
    • 16. 发明申请
    • Gas Sensor for Determining Ammonia
    • 气体传感器用于测定氨
    • US20080274559A1
    • 2008-11-06
    • US11629550
    • 2005-06-13
    • Maximilian FleischerHans MeixnerRoland PohleKerstin Wiesner
    • Maximilian FleischerHans MeixnerRoland PohleKerstin Wiesner
    • G01N27/00B01J19/00
    • G01N33/0054Y02A50/246Y10T436/175383
    • The invention relates to a gas sensor which is used to detect ammonia by detecting and evaluating conductivity variations on semi-conductive metal oxides, comprising: a substrate, a gas sensitive layer made of a semi-conductive metal oxide, a catalytic filter which is disposed in front of the metal oxide, said filter being used to convert ammonia, contained in the measuring gas, into a NO/NO2 mixture or to only NO2, measuring electrodes which are arranged on the surface of the substrate in order to detect conductivity variations in the semi-conductive metal oxide which is at least sensitive to NO/NO2, a controllable electric heating device which is used to adjust predetermined temperatures at least for the semi-conductive metal oxide, whereby the formed NO/NO2 can be guided to the metal oxide and the content of ammonia in the measuring gas can be determined from the NO/NO2-measurement by means of the semi-conductive metal oxide.
    • 本发明涉及一种用于通过检测和评估半导电金属氧化物的导电率变化来检测氨的气体传感器,包括:基板,由半导体金属氧化物制成的气敏层,设置在催化过滤器 在金属氧化物的前面,所述过滤器用于将包含在测量气体中的氨转化为NO / NO 2混合物或仅将NO2测量电极设置在衬底的表面上,以便检测电导率变化 至少对NO / NO2敏感的半导体金属氧化物,至少用于半导体金属氧化物调节预定温度的可控电加热装置,由此所形成的NO / NO 2可被引导到金属 氧化物,测定气体中的氨的含量可以通过半导体金属氧化物从NO / NO 2测定中求出。