PEPTIDE CONJUGATES AND FLUORESCENCE DETECTION METHODS FOR INTRACELLULAR CASPASE ASSAY
    2.
    发明申请
    PEPTIDE CONJUGATES AND FLUORESCENCE DETECTION METHODS FOR INTRACELLULAR CASPASE ASSAY 审中-公开
    用于细胞内CASPASE测定的肽结合和荧光检测方法

    公开(公告)号:US20100273943A1

    公开(公告)日:2010-10-28

    申请号:US12831007

    申请日:2010-07-06

    IPC分类号: C07K7/06 C08F112/08

    摘要: Polypeptides labelled with a donor and acceptor pair of dyes selected from a dibenzorhodamine dye and a diamino-benzophenoxazine dye are peptide conjugates which are useful for intracellular and bead-based assays with fluorescence detection. Peptide conjugates with a caspase-recognition site undergo cleavage into peptide fragments which may be detected, located, and quantitated by the changes in fluorescence. Intracellular cleavage of peptide conjugates is correlated with apoptosis.

    摘要翻译: 用选自二苯并罗丹明染料和二氨基苯并恶嗪染料的供体和受体对染料标记的多肽是可用于具有荧光检测的细胞内和珠基测定的肽缀合物。 具有半胱天冬酶识别位点的肽缀合物经过切割成肽片段,其可以通过荧光的变化来检测,定位和定量。 肽缀合物的细胞内切割与凋亡相关。

    METHOD FOR CONTROLLING X-RAY EXPOSURE IN X-RAY CT SYSTEM
    3.
    发明申请
    METHOD FOR CONTROLLING X-RAY EXPOSURE IN X-RAY CT SYSTEM 失效
    用于控制X射线CT系统中X射线曝光的方法

    公开(公告)号:US20090168951A1

    公开(公告)日:2009-07-02

    申请号:US12342434

    申请日:2008-12-23

    申请人: Xiongwei YAN

    发明人: Xiongwei YAN

    IPC分类号: H05G1/60

    摘要: A method for controlling automatic X-ray exposure in an X-ray CT system includes establishing a correspondence table or function relationship between a ratio factor and an offset of a geometrical center of a scanned section, wherein the ratio factor represents a ratio of the projection area value when the geometrical center of the scanned section of a subject deviates from a rotation center to the standard projection area value when the geometrical center of the scanned section of the subject locates at the rotation center, scout scanning the subject, and calculating a “measured projection area value” and Projection Measure based on the scout scan data, calculating the offset of the geometrical center of the scanned section from the rotation center, substituting the offset into the correspondence table or function relationship to obtain a corresponding ratio factor, calculating the standard projection area value based on the ratio factor and the measured projection area value, and automatically determining by an automatic exposure function a tube current value required for exposure based on the calculated standard projection area value, the Projection Measure.

    摘要翻译: 用于控制X射线CT系统中的自动X射线曝光的方法包括建立扫描部分的几何中心的比率因子和偏移之间的对应表或函数关系,其中,比率因子表示投影的比率 当被摄体的扫描部分的几何中心位于旋转中心时,当被摄体的扫描部分的几何中心偏离旋转中心至标准投影面积值时,测量区域值,并且计算“ 测量投影面积值“和基于侦察扫描数据的投影测量,计算扫描部分与旋转中心的几何中心的偏移量,将偏移量替换为对应表或函数关系,以获得相应的比例因子,计算 基于比例系数和测量投影面积值的标准投影面积值,以及自动 通过自动曝光功能,根据计算的标准投影面积值,投影测量,自动确定曝光所需的管电流值。