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    • 3. 发明申请
    • HIGH AFFINITY FLUOROCHROME BINDING PEPTIDES
    • 高亲和力荧光素结合肽
    • WO2009005579A1
    • 2009-01-08
    • PCT/US2008007329
    • 2008-06-12
    • GEN HOSPITAL CORPKELLY KIMBERLYWEISSLEDER RALPH
    • KELLY KIMBERLYWEISSLEDER RALPH
    • G01N21/76
    • C07K7/06C07K2319/33C07K2319/60
    • The present invention contemplates strategies comprising small molecule, cell permeable probes that allow site-specific protein labeling for visualizing biological processes. In one embodiment, the present invention contemplates a series of short peptide sequences comprising high affinity binding (i.e., for example, subnanomolar affinity (0.53 nM) for indocyanine fluorochromes. In one embodiment, the peptide sequences comprise a 5 pmol detection limit for indocyanine fluorochromes. In one embodiment, the present invention contemplates methods comprising high affinity peptide-fluorochrome binding pairs in biological applications including, but not limited to, enzyme linked immunoabsorbent assay (ELISA), fluorescence activated cell sorting (FACS), microscopy (i.e., for example scanning electromicroscopy), Western Blots, histochemistry, protein and cell based tracking both in vitro and in vivo.
    • 本发明考虑包含允许位点特异性蛋白质标记以使生物学过程可视化的小分子细胞渗透性探针的策略。 在一个实施方案中,本发明设想了一系列包含高亲和力结合(即例如对于吲哚菁荧光染料的亚纳摩尔亲和力(0.53nM))的短肽序列。在一个实施方案中,肽序列包含对吲哚菁荧光染料的5pmol检测限 (ELISA),荧光激活细胞分选(FACS),显微术(即,例如,但不限于,生物学应用,包括但不限于高亲和力肽 - 荧光染料结合对的方法) 扫描电子显微镜),蛋白质印迹,组织化学,蛋白质和基于细胞的体外和体内跟踪。