Extended Data Fig. 9: Detection of virus in diluted and undiluted clinical samples by colorimetric SARS-CoV-2 RT-LAMP assay.
From: Ferrobotic swarms enable accessible and adaptable automated viral testing

a, b, Optical images of the standard assay responses in microfuge tubes (a) and on-chip assay responses (b) for undiluted or diluted patient samples with different Ct values. c, Corresponding optical readouts of the on-chip assay responses.