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Figure 2 ELISA Validation of P681H Mutant Specific Spike Antibodies with SARS-CoV-2 Alpha Variant Spike S1 Protein Coating Antigen: SARS-CoV-2 spike S1 proteins, including WT and alpha variant (B.1.1.7, UK), 1 &956,g/mL, incubate at 4 &730,C overnight.Detection Antibodies: SARS-CoV-2 Alpha Variant Spike antibody, PM-9374, dilution: 0.3-1000 ng/mL, incubate at RT for 1 hr.Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubate at RT for 1 hr.SARS-CoV-2 P681H Mutant Specific Spike antibody (PM-9374) can specifically detect alpha variant spike S1 protein, but not WT spike S1 protein (10-300) by ELISA. |
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Figure 4 ELISA Validation of P681H Mutant Specific Spike Antibodies with Mutant and WT Peptide Coating Antigen: SARS-CoV-2 spike S1 peptides, including WT (9091P) and alpha variant (B.1.1.7, UK) (9359P), 1 &956,g/mL, incubate at 4 &730,C overnight.Detection Antibodies: SARS-CoV-2 P681H Mutant Specific Spike antibody, PM-9374, dilution: 0.1-1000 ng/mL, incubate at RT for 1 hr.Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubate at RT for 1 hr.SARS-CoV-2 P681H Mutant Specific Spike antibody (PM-9374) can specifically detect alpha variant spike S1 peptide (681H, 9359P), but not WT peptide (681P, 9091P). |
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Figure 1 ELISA Validation of Alpha Variant Spike Antibodies with Spike S1 Protein of SARS-CoV-2 Variants Coating Antigen: SARS-CoV-2 spike S1 proteins WT, alpha variant (B.1.1.7), beta variant (B.1.351), gamma variant (P.1), delta variant (B.1.617.2), and omicron variant (B.1.1.529), 1 &956,g/mL, incubate at 4 &730,C overnight.Detection Antibodies: SARS-CoV-2 Alpha Variant Spike antibody, PM-9374, dilution: 200-1000 ng/mL, incubate at RT for 1 hr.Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubate at RT for 1 hr.SARS-CoV-2 alpha variant spike antibody (PM-9374) can specifically detect alpha variant spike S1 protein, but not spike S1 protein of WT and other tested variants by ELISA. |
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Figure 3 WB Validation of P681H Mutant Specific Spike Antibodies with SARS-CoV-2 Alpha Variant Spike S1 Protein Loading: 50 ng of SARS-CoV-2 spike S1 proteins, including WT and alpha variant (B.1.1.7, UK).Detection Antibodies: SARS-CoV-2 P681H Mutant Specific Spike antibody, PM-9374, 1 &956,g/mL, incubate at RT for 1 hr.Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubate at RT for 1 hr.SARS-CoV-2 P681H Mutant Specific Spike antibody (PM-9374) can specifically detect alpha variant spike S1 protein, but not WT spike S1 protein (10-300) by WB. |