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ELISA Binding Assay of ACE2 and SARS-CoV-2 (COVID-19) Delta Variant Spike RBD Recombinant Protein, Coating Antigen: SARS-CoV-2 Delta variant (B.1.671.2) spike RBD protein, 1 µg/mL, incubated at 4 C overnight. Detection Antibodies: ACE2 recombinant protein, orb1231604, dilution: 0.3-1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-human HRP at 1:10, 000, incubate at RT for 1 hr. |
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SDS-PAGE Validation of SARS-CoV-2 (COVID-19) Delta Variant Spike RBD Recombinant Protein. Loading: 1 µg SARS-CoV-2 (COVID-19) Delta variant Spike RBD recombinant protein, orb1228207. Observed: 35kD |
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ELISA Validation of Delta Variant Spike RBD Protein with SARS-CoV-2 Delta Variant Spike L452R Antibodies. Coating Antigen: SARS-CoV-2 spike RBD proteins, including WT and Delta variant (B.1.671.2), 5 µg/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Delta variant spike L452R antibody, orb1239036, dilution: 0.3-1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20, 000, incubate at RT for 1 hr. SARS-CoV-2 Delta Variant RBD protein (orb1228207), but not WT spike RBD protein (orb1231588), was specifically detected by Delta Variant spike L452R antibody (orb1239036). |
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WB Validation of Delta Variant Spike RBD Protein with SARS-CoV-2 Delta Variant Spike L452R Antibodies. Loading: 20 ng of SARS-CoV-2 spike RBD proteins, including WT and Delta variant (B.1.671.2). Detection Antibodies: SARS-CoV-2 Delta variant spike L452R antibody, orb1239036, 1 µg/mL, incubate at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20, 000, incubate at RT for 1 hr. SARS-CoV-2 Delta Variant RBD protein (orb1228207), but not WT spike RBD protein (orb1231588), was specifically detected by Delta Variant spike L452R antibody (orb1239036). |
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ELISA Validation of Delta Variant Spike RBD Protein with SARS-CoV-2 Spike RBD Antibodies. Coating Antigen: SARS-CoV-2 spike RBD proteins, including WT and Delta variant (B.1.671.2), 5 µg/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Spike RBD antibody, orb1239994, dilution: 0.3-1000 ng/mL, incubate at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20, 000, incubate at RT for 1 hr. Antibody orb1239994 does not distinguish between WT and Delta. |
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WB Validation of Delta Variant Spike RBD Protein with SARS-CoV-2 Spike RBD Antibodies. Loading: 20 ng of SARS-CoV-2 spike RBD proteins, including WT and Delta variant (B.1.671.2). Detection Antibodies: SARS-CoV-2 Spike RBD antibody, orb1239994, 1 µg/mL, incubate at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20, 000, incubate at RT for 1 hr. |