Plant-produced recombinant SARS-CoV-2 receptor-binding domain; an economical, scalable biomaterial source for COVID-19 diagnosis
Kaewta Rattanapisit1, Gorawit Yusakul2, Balamurugan Shanmugaraj1, Kittinop Kittirotruji1, Phassorn Suwatsrisakul1, Eakachai Prompetchara3,4, Suthira Taychakhoonavud5,*(), Waranyoo Phoolcharoen6,7,*()

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Figure 3.. Schematic illustration of the developed Baiya’ Rapid COVID-19’ IgM/IgG test kit. Different test results are shown. AuNPs: gold nanoparticles; C: control line; G: test line for human IgG; M: test line for human IgM; RBD: receptor-binding domain; S: Sample pad; SARS-CoV-2: severe acute respiratory syndrome coronavirus 2.