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Time-dependent frequency changes of clinical samples in cell culture medium. (A) Frequency changes of clinical samples (without nanoparticles). (B) Frequency changes of clinical samples using nanoparticle-conjugated influenza A monoclonal antibody. (
) 109 copies/mL, (–■–) 106 copies/mL, (
) 105 copies/mL, (–▴–) 104 copies/mL, (
) 103 copies/mL, and (
) negative.
