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Fluorescence images obtained from a 10 × 10 array of 12 μm spots of FITC-labeled anti-E. coliO+K attached to ND-seeded surfaces without (A) and with (B) sodium borohydride reduction treatment prior to performing UV-assisted TFAAD linkage to NDs. (C) Normalized fluorescence intensity obtained from seven 10 × 10 arrays on the ND surface with and without reduction.
