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. Author manuscript; available in PMC: 2011 May 5.
Published in final edited form as: J Am Chem Soc. 2010 May 5;132(17):6081–6090. doi: 10.1021/ja909850s

Figure 2.

Figure 2

(a) Bulk spectra of oxazine 170 (Ox170), styryl 9M and safranine (Saf) SERS-tags taken with 0.5 mW of 514 nm or 488 nm (safranine only) excitation, 10 s integration times. (b) Analogous spectra taken in flow on a single SERS-tag particle with 50 mW of 514 nm or 488 nm (safranine only) excitation, 20 μs integration times.