On-Site and Quantitative Detection of Trace Methamphetamine in Urine/Serum Samples with a Surface-Enhanced Raman Scattering-Active Microcavity and Rapid Pretreatment Device.

Here it reports a high-throughput detection method for reliably quantitative analysis of illegal drugs in complex biological samples by means of surface-enhanced Raman scattering (SERS) active micr...