FLUOROGENIC COMPOUNDS CONVERTED TO FLUOROPHORES BY PHOTOCHEMICAL OR CHEMICAL MEANS AND THEIR USE IN BIOLOGICAL SYSTEMS
申请人:TWIEG ROBERT J.
公开号:US20120190098A1
公开(公告)日:2012-07-26
Fluorophores derived from photoactivatable azide-pi-acceptor fluorogens or from a thermal reaction of an azide-pi-acceptor fluorogen with an alkene or alkyne are disclosed. Fluorophores derived from a thermal reaction of an alkyne-pi-acceptor fluorogen with an azide are also disclosed. The fluorophores can readily be activated by light and can be used to label a biomolecule and imaged on a single-molecule level in living cells.
Superresolution Imaging of Targeted Proteins in Fixed and Living Cells Using Photoactivatable Organic Fluorophores
作者:Hsiao-lu D. Lee、Samuel J. Lord、Shigeki Iwanaga、Ke Zhan、Hexin Xie、Jarrod C. Williams、Hui Wang、Grant R. Bowman、Erin D. Goley、Lucy Shapiro、Robert J. Twieg、Jianghong Rao、W. E. Moerner
DOI:10.1021/ja1044192
日期:2010.11.3
Superresolution imaging techniques based on sequential imaging of sparse subsets of single molecules require fluorophores whose emission can be photoactivated or photoswitched. Because typical organic fluorophores can emit significantly more photons than average fluorescent proteins, organic fluorophores have a potential advantage in super-resolution imaging schemes, but targeting to specific cellular proteins must be provided. We report the design and application of Halo Tag-based target-specific azido DCDHFs, a class of photoactivatable push pull fluorogens which produce bright fluorescent labels suitable for single-molecule superresolution imaging in live bacterial and fixed mammalian cells.
Fluorogenic compounds converted to fluorophores by photochemical or chemical means and their use in biological systems
申请人:Tweg Robert J.
公开号:US20100029952A1
公开(公告)日:2010-02-04
Fluorophores derived from photoactivatable azide-pi-acceptor fluorogens or from a thermal reaction of an azide-pi-acceptor fluorogen with an alkene or alkyne are disclosed. Fluorophores derived from a thermal reaction of an alkyne-pi-acceptor fluorogen with an azide are also disclosed. The fluorophores can readily be activated by light and can be used to label a biomolecule and imaged on a single-molecule level in living cells.