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. Author manuscript; available in PMC: 2014 May 15.
Published in final edited form as: Spectrochim Acta Part B At Spectrosc. 2008 Feb;63(2):95–103. doi: 10.1016/j.sab.2007.11.027

Fig. 2.

Fig. 2

(A) Scanning electron micrograph (SEM) of an uncoated nanoprobe. The size of the fiber tip diameter is approximately 40 nm. (B) Scanning electron micrograph (SEM) of a fiber-optic nanosensor having the sidewall coated with silver.