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(a) Photograph of portable DAMPR assay system (left) and inside structure illustration of portable DAMPR assay system (right). (b) Confusion matrices for the detection of SARS-CoV-2 gene by LDA, RF, and GBC classifiers, respectively. (c) User manual of smartphone application for SARS-CoV-2 detection by DAMPR assay system. The exampled diagnostic result is positive.
