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    • 1. 发明申请
    • REDUCED DYE PROBES FOR THE DETECTION OF RADICAL OXYGEN SPECIES
    • 用于检测放射性氧物种的减少的染色体探针
    • US20110070166A1
    • 2011-03-24
    • US12892379
    • 2010-09-28
    • Niren MurthyW. Robert TaylorKousik KunduSarah F. KnightSungmun Lee
    • Niren MurthyW. Robert TaylorKousik KunduSarah F. KnightSungmun Lee
    • A61K49/00C07D403/06C12Q1/02G01N33/50B65D69/00
    • A61K49/0021C09B11/24C09B23/0066C09B23/06C09B23/083C09B23/086G01N33/5091
    • Reduced dyes, such as hydrocyanines, deuterocyanines, and/or other deuterated dyes capable of detecting one or more reactive oxygen species are described herein. The reduced dyes exhibit little or no fluorescence due to the disrupted π conjugation. However, upon reaction with ROS, the reduced dyes are oxidized, regenerating the extended π conjugation and causing a substantial increase in fluorescence intensity. In many case, the oxidized dye is generally membrane impermeable. However, upon reduction, many of the reduced dyes are membrane permeable. Thus, reduced dyes can accumulate in cells and/or tissue to amplify the signal. Once inside the cell or tissue, the reduced dye is reoxidized upon reaction with ROS, and the oxidized dye again becomes membrane impermeable, trapping the dye within the cell. The reduced dyes can be used to image ROS, such as hydroxide radical and superoxide, in serum, cell cultures, tissue explants, and in vivo.
    • 本文描述了能够检测一种或多种活性氧的还原染料,例如氢氰酸,氘代菁和/或其它氘代染料。 由于被破坏的pgr,还原的染料表现出很少或没有荧光; 共轭。 然而,当与ROS反应时,还原的染料被氧化,再生延长的< 共轭并导致荧光强度的显着增加。 在许多情况下,氧化染料通常是不透膜的。 然而,在还原时,许多还原染料是可透膜的。 因此,还原染料可以积聚在细胞和/或组织中以放大信号。 一旦在细胞或组织内部,还原的染料在与ROS反应时被再氧化,并且氧化的染料再次变成不透膜的,将染料捕获在细胞内。 还原染料可用于在血清,细胞培养物,组织外植体和体内成像ROS,例如氢氧根和超氧化物。
    • 2. 发明授权
    • Reduced dye probes for the detection of radical oxygen species
    • 用于检测自由基氧的减少的染料探针
    • US08628753B2
    • 2014-01-14
    • US12892379
    • 2010-09-28
    • Niren MurthyW. Robert TaylorKousik KunduSarah F. KnightSungmun Lee
    • Niren MurthyW. Robert TaylorKousik KunduSarah F. KnightSungmun Lee
    • A61B5/00A61B8/00A61B10/00
    • A61K49/0021C09B11/24C09B23/0066C09B23/06C09B23/083C09B23/086G01N33/5091
    • Reduced dyes, such as hydrocyanines, deuterocyanines, and/or other deuterated dyes capable of detecting one or more reactive oxygen species are described herein. The reduced dyes exhibit little or no fluorescence due to the disrupted π conjugation. However, upon reaction with ROS, the reduced dyes are oxidized, regenerating the extended π conjugation and causing a substantial increase in fluorescence intensity. In many case, the oxidized dye is generally membrane impermeable. However, upon reduction, many of the reduced dyes are membrane permeable. Thus, reduced dyes can accumulate in cells and/or tissue to amplify the signal. Once inside the cell or tissue, the reduced dye is reoxidized upon reaction with ROS, and the oxidized dye again becomes membrane impermeable, trapping the dye within the cell. The reduced dyes can be used to image ROS, such as hydroxide radical and superoxide, in serum, cell cultures, tissue explants, and in vivo.
    • 本文描述了能够检测一种或多种活性氧的还原染料,例如氢氰酸,氘代菁和/或其它氘代染料。 还原的染料表现出很少的或没有荧光,由于破坏的π共轭。 然而,当与ROS反应时,还原的染料被氧化,再生延长的π共轭并引起荧光强度的显着增加。 在许多情况下,氧化染料通常是不透膜的。 然而,在还原时,许多还原染料是可透膜的。 因此,还原染料可以积聚在细胞和/或组织中以放大信号。 一旦在细胞或组织内部,还原的染料在与ROS反应时被再氧化,并且氧化的染料再次变成不透膜的,将染料捕获在细胞内。 还原染料可用于在血清,细胞培养物,组织外植体和体内成像ROS,例如氢氧根和超氧化物。