title: Direct analysis of high-performance thin-layer chromatography spots of nucleic purine derivatives by surface-enhanced Raman scattering spectrometry.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D002855:Chromatography, Thin Layer / Q000379:methods; D011687:Purines / Q000032:analysis*; D013059:Spectrum Analysis, Raman / Q000379:methods
chemical_list: D011687:Purines