Fig. 6From: SERS Detection of Biomolecules by Highly Sensitive and Reproducible Raman-Enhancing Nanoparticle Array a SERS spectra of malachite green at different concentrations (from 0.16 to 100 ppm). b Integrated area of 1174 cm−1 peak of adenine (\( {I}_{1174}^{*} \)) as a function of concentrationBack to article page