Fig. 3From: Application of the amplification-free SERS-based CRISPR/Cas12a platform in the identification of SARS-CoV-2 from clinical samplesPortable Raman plate reader. a Schematic diagram of the low-cost, easy-to-use portable Raman plate reader developed to read the Raman output from a portable Raman spectrometer. b operation procedure of the portable Raman plate readerBack to article page