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(A) Raw (top) and normalized (bottom) fluorescence emission spectrum of 7- HC from zinc (2 nm thick) and glass substrates. (B) Fluorescence emission intensity of 7-HC measured (at 470 nm) from glass and zinc substrates (top) and calculated fluorescence enhancement factor for FITC. (C) Sample geometry. Average of 5 measurements collected from different spots on the samples are shown. A.U. Arbitrary Units.
