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This study presents an alternative to current detection methods. The flow\u2010injection analysis\u2010based biosensor, which can rapidly and economically analyze a wide panel of influenza virus strains by using paramagnetic particles modified with glycan, can selectively bind to specific viral <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">H<\/jats:styled-content>5<jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>1\/<jats:styled-content style=\"fixed-case\">V<\/jats:styled-content>ietnam\/1203\/2004 protein\u2010labeled quantum dots. Optimized detection of cadmium sulfide quantum dots (<jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>d<jats:styled-content style=\"fixed-case\">S QD<\/jats:styled-content>s)\u2010protein complexes connected to paramagnetic microbeads was performed using differential pulse voltammetry on the surface of a hanging mercury drop electrode (<jats:styled-content style=\"fixed-case\">HMDE<\/jats:styled-content>) and\/or glassy carbon electrode (<jats:styled-content style=\"fixed-case\">GCE<\/jats:styled-content>). Detection limit (3 S\/N) estimations based on cadmium(II) ions quantification were 0.1 \u03bcg\/mL or 10 \u03bcg\/mL viral protein at <jats:styled-content style=\"fixed-case\">HMDE<\/jats:styled-content> or <jats:styled-content style=\"fixed-case\">GCE<\/jats:styled-content>, respectively. Viral protein detection was directly determined using differential pulse voltammetry <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>rdicka reaction. The limit detection (3 <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>) of viral protein was estimated as 0.1 \u03bcg\/mL. Streptavidin\u2010modified paramagnetic particles were mixed with biotinylated selective glycan to modify their surfaces. Under optimized conditions (250 \u03bcg\/mL of glycan, 30\u2010min long interaction with viral protein, 25\u00b0C and 400 rpm), the viral protein labeled with quantum dots was selectively isolated and its cadmium(II) content was determined. Cadmium was present in detectable amounts of 10 ng per mg of protein. 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