Chemical Communications · 2011 · 51 citations · 15 references
Natural SciencesBiophysicsPhysicsBiophysical ChemistryMolecular BiophysicsNanotechnologyMolecular MachinesMolecular RotationNanomaterial CharacterizationOptical TweezersPolarization OpticsPolarization-based ImagingAnisotropyNanorodsPlasmonic NanorodsPolarizationPolarization AnisotropyPolarization Contrast ImagingPolarization-resolved MicroscopyRotational Dynamics
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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