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    • 5. 发明授权
    • Multiple enzyme assays
    • 多重酶测定
    • US06586196B1
    • 2003-07-01
    • US09459982
    • 1999-12-14
    • Irena BronsteinChristopher MartinCorinne OlesenJohn VoytaYu-xin Yan
    • Irena BronsteinChristopher MartinCorinne OlesenJohn VoytaYu-xin Yan
    • C12Q142
    • C12Q1/6897C12Q1/00C12Q1/34C12Q1/42C12Q1/66G01N2333/916G01N2333/924G01N2333/95
    • The present invention discloses multiple enzyme assays which measure the activity of at least one endogenous enzyme in a single aliquot and a method of measuring the activity of multiple enzymes in an aliquot of a cell extract, wherein at least one of the enzymes is an endogenous enzyme. In one embodiment of the invention the activity of a first enzyme is quantified by measuring the light signal produced by degradation of a first enzyme substrate by the first enzyme and the activity of the second enzyme is quantified by measuring the light signal produced by the degradation of a second substrate. In the method of the present invention, both quantifications are performed on the same aliquot of cell extract. Different embodiments of the present invention provide for the detection of more than one endogenous enzyme and for the detection of at least one reporter enzyme and at least one endogenous enzyme. The present invention also discloses kits for detecting the activity of multiple enzymes.
    • 本发明公开了测量单一等分试样中至少一种内源性酶的活性的多种酶测定法和测量细胞提取物等分试样中多种酶的活性的方法,其中至少一种酶是内源性酶 。 在本发明的一个实施方案中,通过测量由第一酶降解第一酶底物产生的光信号来定量第一酶的活性,并且通过测量由第一酶降解产生的光信号来量化第二酶的活性 第二基板。 在本发明的方法中,两种定量在相同等分的细胞提取物上进行。 本发明的不同实施方案提供了多于一种内源性酶的检测和用于检测至少一种报道酶和至少一种内源性酶。 本发明还公开了用于检测多种酶的活性的试剂盒。
    • 9. 发明授权
    • Chemiluminescent 1,2-dioxetanes
    • 化学发光的1,2-二氧杂环丁烷
    • US6140495A
    • 2000-10-31
    • US296539
    • 1999-04-22
    • Irena BronsteinBrooks EdwardsAlison Sparks
    • Irena BronsteinBrooks EdwardsAlison Sparks
    • C07D321/00C07D327/06C07F9/02C07F9/06C07F9/28C07H19/04
    • C07D321/00
    • Spiroadamantyl dioxetanes bearing an alkoxy substituent, and an aromatic substituent of phenyl or naphthyl on the dioxetane ring can be activated to chemiluminesce if the aromatic substituent bears a moiety designated OX, wherein the X is cleaved by an enzyme with which the dioxetane is permitted to come in contact with. The T.sub.1/2 kinetics of the chemiluminescent reaction, as well as the signal intensity, or quantum yield of the chemiluminescent reaction, can be altered by selection of an electron-withdrawing or an electron-donating group Z, at positions on the aromatic substituent other than those adjacent the point of attachment to the dioxetane. Signal strength can further be enhanced by recognized chemiluminescent enhancers.
    • 具有烷氧基取代基的双金刚烷基二氧杂环丁烷和二氧杂环丁烷环上苯基或萘基的芳族取代基可以被活化成化学发光,如果芳族取代基具有指定为OX的部分,其中X被允许二氧杂环丁烷的酶切割 在与接触。 化学发光反应的T + E,1/2 + EE动力学以及化学发光反应的信号强度或量子产率可以通过选择吸电子基团或给电子基团Z来改变, 在芳族取代基上除了与二氧杂环丁烷的连接点相邻的位置之外的位置。 信号强度可以通过认可的化学发光增强剂进一步增强。