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. Author manuscript; available in PMC: 2016 May 29.
Published in final edited form as: ACS Nano. 2016 May 10;10(5):5015–5026. doi: 10.1021/acsnano.5b07200

Figure 1. SERS NP characterization.

Figure 1

(a) Illustration and (b) transmission electron micrographs of the SERS NPs. (c) the SERS spectrum of the NPs depends on the Raman reporter molecule used (here, trans-1,2-bis(4-pyridyl)-ethylene (BPE)). (d) Signal stability (based on the intensity of the 1215 cm−1 band) of SERS NPs suspension under continuous laser irradiation (785 nm; 50 mW/cm2). (e) Signal stability of SERS NPs incubated in 50% mouse serum (v/v) over a 24 hour period.