title: Characterization of nanogram levels of metalloporphyrins with thin-layer chromatography-resonance Raman spectroscopy.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods; D008665:Metalloporphyrins / Q000032:analysis*; D008832:Microchemistry; D013059:Spectrum Analysis, Raman / Q000379:methods
chemical_list: D008665:Metalloporphyrins