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Table 3 Au/graphene-PDDA and their SERS intensity integral of adenine (integrated range of SERS intensity, 700~770 cm−1)

From: Fabrication of Gold Nanoparticles/Graphene-PDDA Nanohybrids for Bio-detection by SERS Nanotechnology

Au/graphene-PDDA Intensity*10−3 (integral)
1/2 174.76 ± 5.84
2/1 322.91 ± 6.87
4/1 593.43 ± 10.29
8/1 488.96 ± 13.79
16/1 410.37 ± 38.32
Au 177.00 ± 2.04