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Magnetic Nanocrescents as Controllable Surface‐Enhanced Raman Scattering Nanoprobes for Biomolecular Imaging
Author(s) -
Liu G. L.,
Lu Y.,
Kim J.,
Doll J. C.,
Lee L. P.
Publication year - 2005
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200501064
Subject(s) - raman scattering , materials science , nanotechnology , raman spectroscopy , scattering , penetration depth , photothermal therapy , magnetic field , penetration (warfare) , optics , physics , engineering , quantum mechanics , operations research
Magnetic nanocrescent Raman probes (see Figure) can not only serve as stand‐alone surface‐enhanced Raman scattering (SERS) substrates with high local electromagnetic‐field enhancement factors, but can also be controlled by external magnetic fields to produce translational and rotational motion of the nanoprobes. Their near‐IR optical activities may be useful for biomedical imaging, as near‐IR radiation results in deeper tissue penetration and minimal photothermal damage.

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