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. Author manuscript; available in PMC: 2012 Jan 24.
Published in final edited form as: Chemistry. 2011 Jan 5;17(4):1080–1091. doi: 10.1002/chem.201002521

Figure 9.

Figure 9

Gyromagnetic imaging of gold nanostars in tumor cell under low-lighting conditions, using polarized scattering.[48] a) Gyromagnetic activity as a mechanism for signal modulation; b) time-averaged image of active (left) and static (right) nanostars, prior to demodulation; c) 2ω-selective image recovered by FT, with complete elimination of unmodulated scatterer (image acquisition time = 7 sec). d) SNR of gyromagnetic nanostar as a function of time (ω=4.7 Hz). Published with permission from the American Chemical Society.