Microelectronic sensor device for DNA detection
    1.
    发明授权
    Microelectronic sensor device for DNA detection 有权
    用于DNA检测的微电子传感器装置

    公开(公告)号:US08815162B2

    公开(公告)日:2014-08-26

    申请号:US12303448

    申请日:2007-05-24

    IPC分类号: G05D23/00

    摘要: The invention relates to a microelectronic sensor device and a method for the investigation of biological target substances (20), for example oligonucleotides like DNA fragments. In one embodiment, the device comprises a reaction surface (RS) to which target specific reactants (10) are attached and which lies between a sample chamber (SC) and an array of selectively controllable heating elements (HE). The temperature profile in the sample chamber (SC) can be controlled as desired to provide for example conditions for a PCR and/or for a controlled melting of hybridizations. The reactant (10) and/or the target substance (20) comprises a label (12) with an observable property, like fluorescence, that changes if the target substance (20) is bound to the reactant (10), said property being detected by an array of sensor elements, for example photosensors (SE). The fluorescence of the label (12) may preferably be transferred by FRET to a different fluorescent label (22) or quenched if the target substance (20) is bound.

    摘要翻译: 本发明涉及一种微电子传感器装置和一种用于研究生物靶物质(20)的方法,例如DNA片段等寡核苷酸。 在一个实施方案中,所述装置包括反应表面(RS),目标特异性反应物(10)附着到所述反应表面(RS),并且位于样品室(SC)和选择性可控制的加热元件(HE)阵列之间。 样品室(SC)中的温度曲线可以根据需要进行控制,以提供例如PCR和/或受控熔化杂交的条件。 反应物(10)和/或目标物质(20)包含具有可观察性质(如荧光)的标记物(12),如果目标物质(20)与反应物(10)结合,则其变化,所述性质被检测 通过传感器元件阵列,例如光电传感器(SE)。 标记物(12)的荧光优选通过FRET转移到不同的荧光标记物(22),或者如果靶物质(20)被结合则被淬灭。

    Magnetic Biosensor For Determination of Enzymic Activity
    7.
    发明申请
    Magnetic Biosensor For Determination of Enzymic Activity 审中-公开
    用于测定酶活性的磁性生物传感器

    公开(公告)号:US20080311598A1

    公开(公告)日:2008-12-18

    申请号:US12094822

    申请日:2006-11-21

    IPC分类号: G01N33/543 C12M1/34

    CPC分类号: G01N33/54326 C12Q1/00

    摘要: Magnetic sensors are very suitable for use in determination of enzymatic activity. In a preferred embodiment the invention relates to a method for determining activity of an enzyme in modification of substrate (2) to product (3), comprising binding substrate or a binding composition that may bind e.g. substrate or product, to the sensor surface. This enables easy detection of magnetic label that is linked to substrate, product or the binding composition.

    摘要翻译: 磁性传感器非常适用于测定酶活性。 在优选的实施方案中,本发明涉及一种用于确定酶在底物(2)与产物(3)的修饰中的活性的方法,其包含可以结合的结合底物或结合组合物。 底物或产品,传递到传感器表面。 这使得能够容易地检测与底物,产物或结合组合物连接的磁性标签。