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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: Anal Chem. 2011 Jul 11;83(15):5936–5943. doi: 10.1021/ac200881q

Table 1.

Comparison of analytical features of etched glass array versus gold island array

Array Characteristics Etched Glass Array Gold Island Array
Signal/Noise (S/N) 72 30
Signal/Background (S/B) 10.6 2.1
%RSD 1.4 3.3
Background Resonance Weak Strong
Switching Background No Yes