Nanoscale imaging of molecular positions and anisotropies.
Nanoscale imaging of molecular positions and anisotropies.
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DOI:
10.1038/nmeth.1271
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发表时间:
2008-12
期刊:
影响因子:
48
通讯作者:
Hess, Samuel T.
中科院分区:
文献类型:
--
作者:
Gould, Travis J.;Gunewardene, Mudalige S.;Gudheti, Manasa V.;Verkhusha, Vladislav V.;Yin, Shu-Rong;Gosse, Julie A.;Hess, Samuel T.
Knowledge of the orientation of molecules within biological structures is crucial to understanding the mechanisms of cell function. We present a method to image simultaneously the positions and fluorescence anisotropies of large numbers of single molecules with nanometer lateral resolution within a sample. Based on a simple modification of fluorescence photoactivation localization microscopy (FPALM), polarization (P)-FPALM does not compromise speed or sensitivity. We show results for mouse fibroblasts expressing Dendra2-actin or Dendra2-hemagglutinin.
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