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![ELISA: SARS-CoV-2 Spike Antibody - Delta Variant, B.1.617.2, India [NBP3-12851] - SARS-Cov-2 Spike L452R (Delta Variant) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Delta Variant Spike antibody, NBP3-12851, dilution: 200 and 1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody---Delta-Variant--B.1.617.2--India-ELISA-NBP3-12851-img0001.jpg "ELISA: SARS-CoV-2 Spike Antibody - Delta Variant, B.1.617.2, India [NBP3-12851] - SARS-Cov-2 Spike L452R (Delta Variant) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Delta Variant Spike antibody, NBP3-12851, dilution: 200 and 1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr.")
![Western Blot: SARS-CoV-2 Spike Antibody - Delta Variant, B.1.617.2, India [NBP3-12851] - WB Validation of of Delta Variant Spike Antibodies with SARS-CoV-2 Delta Variant Spike S1 Protein. Loading: 50 ng of SARS-CoV-2 spike S1 proteins, including WT and Delta variant (B.1.617.2). Detection Antibodies: SARS-CoV-2 Delta Variant Spike antibody, NBP3-12851, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr. SARS-CoV-2 Delta Variant Spike antibody (NBP3-12851) specifically detects Delta variant spike S1 protein, but not WT spike S1 protein.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody---Delta-Variant--B.1.617.2--India-Western-Blot-NBP3-12851-img0002.jpg)
![ELISA: SARS-CoV-2 Spike Antibody - Delta Variant, B.1.617.2, India [NBP3-12853] - SARS-Cov-2 Spike 156-157EFdel ( Delta Variant ) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Delta Variant Spike antibody, NBP3-12853, dilution: 200 and 1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody---Delta-Variant--B.1.617.2--India-ELISA-NBP3-12853-img0001.jpg "ELISA: SARS-CoV-2 Spike Antibody - Delta Variant, B.1.617.2, India [NBP3-12853] - SARS-Cov-2 Spike 156-157EFdel ( Delta Variant ) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Delta Variant Spike antibody, NBP3-12853, dilution: 200 and 1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr.")
![Western Blot: SARS-CoV-2 Spike Antibody - Delta Variant, B.1.617.2, India [NBP3-12853] - WB Validation of of Delta Variant Spike S1 Antibodies with SARS-CoV-2 Delta Variant Spike S1 Protein. Loading: 50 ng of SARS-CoV-2 spike S1 proteins, including WT and Delta variant (B.1.617.2). Detection Antibodies: SARS-CoV-2 Delta Variant Spike antibody, NBP3-12853, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr. SARS-CoV-2 Delta Variant Spike antibody (NBP3-12853) specifically detects Delta variant spike S1 protein, but not WT spike S1 protein.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody---Delta-Variant--B.1.617.2--India-Western-Blot-NBP3-12853-img0002.jpg)
![ELISA: SARS-CoV-2 Spike Antibody (7E3C5) - Delta Variant, B.1.617.2, India [NBP3-14793] - SARS-Cov-2 Spike P681R (Delta Variant) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 Spike P681R (Delta Variant) antibody, NBP3-14793, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-7E3C5-Delta-Variant-B-1-617-2-India-ELISA-NBP3-14793-img0004.jpg "ELISA: SARS-CoV-2 Spike Antibody (7E3C5) - Delta Variant, B.1.617.2, India [NBP3-14793] - SARS-Cov-2 Spike P681R (Delta Variant) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 Spike P681R (Delta Variant) antibody, NBP3-14793, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr.")
![ELISA: SARS-CoV-2 Spike Antibody (7E3C5) - Delta Variant, B.1.617.2, India [NBP3-14793] - ELISA Validation of Delta Variant Spike S1 Antibodies with SARS-CoV-2 Delta Variant Spike S1 Protein. Coating Antigen: SARS-CoV-2 spike S1 proteins, WT, Alpha and Delta variants, 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 Spike P681R (Delta Variant) antibody, NBP3-14793, dilution: 0.3-1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr. SARS-CoV-2 Spike P681R (Delta Variant) antibody specifically detects spike S1 protein of Delta variant, but not WT and Alpha variant.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-7E3C5-Delta-Variant-B-1-617-2-India-ELISA-NBP3-14793-img0002.jpg)
![ELISA: SARS-CoV-2 Spike Antibody (7E3C5) - Delta Variant, B.1.617.2, India [NBP3-14793] - ELISA Validation of Delta Variant Spike S1 Antibodies with Mutant and WT Peptide. Coating Antigen: SARS-CoV-2 spike S1 peptides: WT, Alpha variant, and Delta variant, 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 delta spike P681R antibody, NBP3-14793, dilution: 0.3-1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr. SARS-CoV-2 Spike P681R (Delta Variant) antibody detects Delta variant spike S1 peptide (681R), but not WT peptide (681P) and Alpha variant spike S1 peptide (681H).](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-7E3C5-Delta-Variant-B-1-617-2-India-ELISA-NBP3-14793-img0003.jpg)
![Immunohistochemistry: SARS-CoV-2 Spike Antibody (7E3C5) - Delta Variant, B.1.617.2, India - BSA Free [NBP3-14793] - Validation of Spike in Delta Variant COVID-19 Patient Lung Tissue. Immunohistochemical analysis of paraffin-embedded patient lung tissue using anti-Spike P681R antibody at 20 ug/ml. Tissue was fixed with formaldehyde and blocked with 10% serum for 1 h at RT; antigen retrieval was by heat mediation with a citrate buffer (pH6). Samples were incubated with primary antibody overnight at 4C. A goat anti-rabbit IgG H&L (HRP) at 1/250 was used as secondary. Counter stained with Hematoxylin. Strong spike protein signal was observed in the Delta variant COVID-19 patient lung, but not in WT COVID-19 patient lung.](http://images.novusbio.com/fullsize/nbp3-14793_mouse-sars-cov-2-spike-mab-7e3c5-delta-variant-b-1-617-2-india-2711202419261828.jpg)
![ELISA: SARS-CoV-2 Spike Antibody (5H4C5) - Delta Variant, B.1.617.2, India [NBP3-14792] - SARS-Cov-2 Spike P681R (Delta Variant) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 Spike P681R (Delta Variant) antibody, NBP3-14792, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-5H4C5-Delta-Variant-B-1-617-2-India-ELISA-NBP3-14792-img0001.jpg "ELISA: SARS-CoV-2 Spike Antibody (5H4C5) - Delta Variant, B.1.617.2, India [NBP3-14792] - SARS-Cov-2 Spike P681R (Delta Variant) Antibodies Specifically Detect Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 Spike P681R (Delta Variant) antibody, NBP3-14792, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr.")
![ELISA: SARS-CoV-2 Spike Antibody (5H4C5) - Delta Variant, B.1.617.2, India [NBP3-14792] - ELISA Validation of Delta Variant Spike S1 Antibodies with SARS-CoV-2 Delta Variant Spike S1 Protein. Coating Antigen: SARS-CoV-2 spike S1 proteins, WT, Alpha and Delta variants, 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 Spike P681R (Delta Variant) antibody, NBP3-14792, dilution: 0.3-1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr. SARS-CoV-2 Spike P681R (Delta Variant) antibody specifically detects spike S1 protein of Delta variant, but not WT and Alpha variant.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-5H4C5-Delta-Variant-B-1-617-2-India-ELISA-NBP3-14792-img0002.jpg)
![ELISA: SARS-CoV-2 Spike Antibody (5H4C5) - Delta Variant, B.1.617.2, India [NBP3-14792] - ELISA Validation of Delta Variant Spike S1 Antibodies with Mutant and WT Peptide. Coating Antigen: SARS-CoV-2 spike S1 peptides: WT, Alpha variant, and Delta variant, 1 ug/mL, incubated at 4C overnight. Detection Antibodies: SARS-CoV-2 delta spike P681R antibody, NBP3-14792, dilution: 0.3-1000 ng/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-mouse HRP at 1:5,000, incubated at RT for 1 hr. SARS-CoV-2 Spike P681R (Delta Variant) antibody detects Delta variant spike S1 peptide (681R), but not WT peptide (681P) and Alpha variant spike S1 peptide (681H).](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-5H4C5-Delta-Variant-B-1-617-2-India-ELISA-NBP3-14792-img0003.jpg)
![ELISA: SARS-CoV-2 Spike Antibody [NBP3-12852] - SARS-Cov-2 Spike 156-157EF Antibodies Specifically Do Not Recognize Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Spike 1566-157EF antibody, NBP3-12852, 1 ug/mL,, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubate at RT for 1 hr.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-ELISA-NBP3-12852-img0001.jpg "ELISA: SARS-CoV-2 Spike Antibody [NBP3-12852] - SARS-Cov-2 Spike 156-157EF Antibodies Specifically Do Not Recognize Delta Variant Spike S1 Protein in an ELISA. 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), mu variant (B.1.621), and omicron variant (B.1.1.529), 1 ug/mL, incubated at 4 C overnight. Detection Antibodies: SARS-CoV-2 Spike 1566-157EF antibody, NBP3-12852, 1 ug/mL,, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubate at RT for 1 hr.")
![Western Blot: SARS-CoV-2 Spike Antibody [NBP3-12852] - WB Validation of of Spike 156-157EF Antibodies with SARS-CoV-2 Delta Variant Spike S1 Protein. Loading: 50 ng of SARS-CoV-2 spike S1 proteins, including WT and Delta variant (B.1.617.2). Detection Antibodies: SARS-CoV-2 Spike 156-157EF antibody, NBP3-12852, 1 ug/mL, incubated at RT for 1 hr. Secondary Antibodies: Goat anti-rabbit HRP at 1:20,000, incubated at RT for 1 hr. SARS-CoV-2 Spike 156-157EF antibody (NBP3-12852) detects spike S1 protein of WT, but not Delta variant.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-Western-Blot-NBP3-12852-img0002.jpg)
