Differential interference contrast polarization anisotropy for tracking rotational dynamics of gold nanorods |
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| Authors: | Ha Ji Won Sun Wei Wang Gufeng Fang Ning |
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| Affiliation: | Ames Laboratory, U.S. Department of Energy, and Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA. |
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| Abstract: | We describe differential interference contrast (DIC) polarization anisotropy for tracking rotational dynamics of gold nanorod (AuNR) probes. DIC polarization anisotropy enabled us to reveal the unidirectional clockwise circular translocation of an AuNR attached to a kinesin-driven microtubule and to precisely determine the real-time orientation of the AuNR during the dynamic process. |
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