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![Blocking/Neutralizing: RelA/NFkB p65 [p Ser276] Inhibitor Peptide Set [NBP2-26505] - Effect of various p65-inhibitor peptides on binding of purified recombinant p65 protein to the DNA in vitro. Recombinant p65 protein (100 ng/sample) was incubated for 30 minutes with 50uM of various peptides in 0.025 ml and then assayed for DNA binding activity by EMSA (Please refer to Takada et al, 2004 for further details).](http://images.novusbio.com/fullsize/RelA-NFkB-p65-[p-Ser276]-Inhibitor-Peptide-Set-Blocking-Neutralizing-NBP2-26505-img0008.jpg "Blocking/Neutralizing: RelA/NFkB p65 [p Ser276] Inhibitor Peptide Set [NBP2-26505] - Effect of various p65-inhibitor peptides on binding of purified recombinant p65 protein to the DNA in vitro. Recombinant p65 protein (100 ng/sample) was incubated for 30 minutes with 50uM of various peptides in 0.025 ml and then assayed for DNA binding activity by EMSA (Please refer to Takada et al, 2004 for further details).")
![Blocking/Neutralizing: RelA/NFkB p65 [p Ser276] Inhibitor Peptide Set [NBP2-26505] - PTD-p65-P1 peptide inhibits TNF-induced NF-kB activation: KBM-5 cells were incubated with various concentrations of peptides for 1 hr and treated with 0.1nM TNF for 30 min. Nuclear extracts were prepared and NF-kB activation was analyzed by EMSA (Please refer to Takada et al, 2004 for further details).](http://images.novusbio.com/fullsize/RelA-NFkB-p65-[p-Ser276]-Inhibitor-Peptide-Set-Blocking-Neutralizing-NBP2-26505-img0009.jpg)
![Functional (Inhibition): RelA/NFkB p65 [p Ser276] Inhibitor Peptide Set [NBP2-26505] - TLR5/NF-kB/SEAPorter HEK 293 (NBP2-26277) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-26505) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Flagellin (NBP2-25289) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).](http://images.novusbio.com/fullsize/RelA-NFkB-p65-p-Ser276-Inhibitor-Peptide-Set-Functional-Inhibition-NBP2-26505-img0010.jpg)
![In vivo assay: IKK gamma Inhibitor Peptide Set [NBP2-26504] - NBD peptide blocks constitutive NF-kB as shown by EMSA. U266 cells were treated with 100 uM of control or NBD peptide for different time periods. Nuclear extracts were isolated and checked for NF-kB-DNA binding activity.](http://images.novusbio.com/fullsize/IKK-gamma-Inhibitor-Peptide-Set-In-vivo-assay-NBP2-26504-img0010.jpg "In vivo assay: IKK gamma Inhibitor Peptide Set [NBP2-26504] - NBD peptide blocks constitutive NF-kB as shown by EMSA. U266 cells were treated with 100 uM of control or NBD peptide for different time periods. Nuclear extracts were isolated and checked for NF-kB-DNA binding activity.")
![In vivo assay: IKK gamma Inhibitor Peptide Set [NBP2-26504] - NBD peptide blocks constitutive NF-kB activation in human multiple myeloma cells. U266 cells were treated with 100 uM of control (A & B) or NBD peptide (C & D) for 12 hr, cytospun, plated on glass slides, air dried for 1 hr at room temperature and fixed with cold acetone. Slides were blocked with 5% normal goat serum for 1 hr and then incubated with rabbit polyclonal anti-human p65 antibody (A & C) followed by Ig-Alexa 594 second step. In control peptide treated cells, p65 translocates to nucleus (A), whereas NBD peptide prevents translocation of p65 into the nucleus (C). B & D: Nuclear staining with DNA binding dye.](http://images.novusbio.com/fullsize/IKK-gamma-Inhibitor-Peptide-Set-In-vivo-assay-NBP2-26504-img0012.jpg)
![IKK gamma Inhibitor Peptide Set [NBP2-26504] - The IKK complex consists of IKKalpha + IKKbeta+ NEMO. NEMO (IKKgamma/NF-kB Essential MOdulator) is a scaffold protein required for the kinase activity of IKKalpha + IKKbeta. NBD (NEMO Binding Domain) inhibits formation of the IKK complex (IKKalpha + IKKbeta+ NEMO) by binding to NEMO and blocking IKK complex formation. In this regard, NBD is considered to be an 'IKKalpha and IKKBeta decoy' Blocking IKK complex formation suppresses downstream events in the NF-kB signaling pathway that rely on the IKK complex including phosphorylation of IkBalpha, and subsequence IkBalpha ubiquination, degradation and release of NF-kB. Hence, NF-kB is retained in the cytoplasm in its inactive state.](http://images.novusbio.com/fullsize/IKK-gamma-Inhibitor-Peptide-Set-NBP2-26504-img0014.jpg)
![Functional (Inhibition): IKK gamma Inhibitor Peptide Set [NBP2-26504] - TLR5/NF-kB/SEAPorter HEK 293 (NBP2-26277) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-26504) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Flagellin (NBP2-25289) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).](http://images.novusbio.com/fullsize/IKK-gamma-Inhibitor-Peptide-Set-Functional-Inhibition-NBP2-26504-img0016.jpg)
![Western Blot: RelA/NFkB p65 [p Ser529, p Ser536] Inhibitor Peptide Set [NBP2-29321] - Inhibits TNF-induced NF-kB activation: KBM-5 cells were incubated with various concentrations of peptides for 1 hr and treated with 0.1nM TNF for 30min. Nuclear extracts were prepared and NF-kB activation was analyzed by EMSA (Please refer toTakada et al, 2004 for further details). PTD-p65-P6 suppresses TNF-induced NF-kB activation by 25% at 100 uM and completely at 150 uM, where as the control peptide, PTD or p65-P6 without PTD did not have any effect.](http://images.novusbio.com/fullsize/RelA-NFkB-p65-[p-Ser529--p-Ser536]-Inhibitor-Peptide-Set-Western-Blot-NBP2-29321-img0015.jpg "Western Blot: RelA/NFkB p65 [p Ser529, p Ser536] Inhibitor Peptide Set [NBP2-29321] - Inhibits TNF-induced NF-kB activation: KBM-5 cells were incubated with various concentrations of peptides for 1 hr and treated with 0.1nM TNF for 30min. Nuclear extracts were prepared and NF-kB activation was analyzed by EMSA (Please refer toTakada et al, 2004 for further details). PTD-p65-P6 suppresses TNF-induced NF-kB activation by 25% at 100 uM and completely at 150 uM, where as the control peptide, PTD or p65-P6 without PTD did not have any effect.")
![Western Blot: RelA/NFkB p65 [p Ser529, p Ser536] Inhibitor Peptide Set [NBP2-29321] - Effect of various p65-inhibitor peptides on binding of purified recombinant p65 protein to the DNA in vitro. Recombinant p65 protein (100 ng/sample) was incubated for 30 minutes with 50uM of various peptides in 0.025 ml and then assayed for DNA binding activity by EMSA (Please refer to Takada et al, 2004 (3) for further details).](http://images.novusbio.com/fullsize/RelA-NFkB-p65-[p-Ser529--p-Ser536]-Inhibitor-Peptide-Set-Western-Blot-NBP2-29321-img0013.jpg)
![Functional (Inhibition): RelA/NFkB p65 [p Ser529, p Ser536] Inhibitor Peptide Set [NBP2-29321] - TLR5/NF-kB/SEAPorter HEK 293 (NBP2-26277) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-29321) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Flagellin (NBP2-25289) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).](http://images.novusbio.com/fullsize/RelA-NFkB-p65-p-Ser529-p-Ser536-Inhibitor-Peptide-Set-Functional-Inhibition-NBP2-29321-img0012.jpg)
![Functional (Inhibition): NFkB p105/p50 Inhibitor Peptide Set [NBP2-29323] - TLR5/NF-kB/SEAPorter HEK 293 (NBP2-26277) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-29323) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Flagellin (NBP2-25289) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).](http://images.novusbio.com/fullsize/NFkB-p105-p50-Inhibitor-Peptide-Set-Functional-Inhibition-NBP2-29323-img0001.jpg "Functional (Inhibition): NFkB p105/p50 Inhibitor Peptide Set [NBP2-29323] - TLR5/NF-kB/SEAPorter HEK 293 (NBP2-26277) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-29323) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Flagellin (NBP2-25289) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).")
![Functional (Inhibition): TIRAP (TLR2 and TLR4) Inhibitor Peptide Set [NBP2-29331] - TLR2/NF-kB/SEAPorter HEK 293 (NBP2-26274) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-29331) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Pam3CSK4 (NBP2-25297) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).](http://images.novusbio.com/fullsize/TIRAP-TLR2-and-TLR4-Inhibitor-Peptide-Set-Functional-Inhibition-NBP2-29331-img0001.jpg "Functional (Inhibition): TIRAP (TLR2 and TLR4) Inhibitor Peptide Set [NBP2-29331] - TLR2/NF-kB/SEAPorter HEK 293 (NBP2-26274) cells were plated in 96-well plates at 5 x 10^4 cells/well for 16 h. Cells were preincubated with different concentrations (0, 1, 5, 10, 25 and 50 uM) of Inhibitory Peptide (NBP2-29331) and Control Peptide (NBP2-29334) for 1 h. Cells were then stimulated with 1 ng/ml Pam3CSK4 (NBP2-25297) for 24 h. Secreted alkaline phosphatase (SEAP) was analyzed using SEAPorter Assay Kit (NBP2-25285). *p < 0.05 versus control peptide at the corresponding concentrations (Mann-Whitney U test).")
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Indirect ELISA analysis was performed by coating the plate with recombinant SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BQ.1 variant, His tag (28.78-0.45 nM). Coated protein was probed with the specified SARS-CoV-2 (COVID-19) Spike antibodies (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) or goat anti-mouse IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-212024939162.jpg "ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Indirect ELISA analysis was performed by coating the plate with recombinant SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BQ.1 variant, His tag (28.78-0.45 nM). Coated protein was probed with the specified SARS-CoV-2 (COVID-19) Spike antibodies (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) or goat anti-mouse IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.")
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Indirect ELISA analysis was performed by coating the plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 Alpha variant; B.1.351 Beta variant; P.1 Gamma variant; B1.617.2 Delta variant; BA.1 Omicron variant; BA.2 Omicron variant; BA.4/BA.5 Omicron variant) (28.78-0.45 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-212024934276.jpg)
![Functional (Inhibition): SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Inhibition analysis of immobilized recombinant Spike RBD Protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; BA.1 Omicron variant; BA.2 Omicron variant; BA.4/BA.5 Omicron variant) (coated at 2 ug/mL) binding to soluble recombinant Human ACE2 (ECD) protein, mouse IgG Fc tag (active) (1000 ng/mL) binding was inhibited by increasing concentrations of SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (0.09-66.67 nM). Bound was detected by Goat Anti-Mouse IgG antibody (HRP) (1:10000).](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249432894.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Sandwich ELISA detection of recombinant Spike RBD Protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; BA.4/ BA.5 Omicron variant; Omicron / XBB variant) using antibodies as below. Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: HRP-conjugated SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Please notice that NBP3-25671 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-21202494089.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Indirect ELISA analysis was performed by coating the plate with recombinant SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BF.7 variant, His tag (28.78-0.45 nM). Coated protein was probed with the specified SARS-CoV-2 (COVID-19) Spike antibodies (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) or goat anti-mouse IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249413381.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Sandwich ELISA detection of recombinant Spike RBD Protein(s) derived from different strains of SARS-CoV-2 virus (ie., BA.4/BA.5 Omicron variant; BF.7 Omicron variant; BQ.1 Omicron variant) using antibodies as below. Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: HRP-conjugated SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Please notice that NBP3-25671 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249371599.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Sandwich ELISA detection of SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BA.2.75 variant, His tag using ELISA pairs below. Pair 1: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Pair 2: Capture: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Pair 3: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL) Please notice that NBP3-25671 and NBP3-25672 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014 and NBP3-25672. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249413317.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Sandwich ELISA detection of SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BA.2.75 variant, His tag using ELISA pairs below. Pair 1: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1003] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (HRP) (HL1014-01) (1 ug/mL) Pair 2: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1004] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (HRP) (HL1014-01) (1 ug/mL) Pair 3: Capture: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (HRP) (HL1014-01) (1 ug/mL)](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249342714.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - Indirect ELISA analysis was performed by coating the plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., BA.2.12.1 Omicron variant; BA.4/BA.5 Omicron variant) (28.78-0.45 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249374921.jpg)
![Immunocytochemistry/Immunofluorescence: SARS-CoV-2 Spike RBD Antibody (HL1866) - Omicron Variant - Azide and BSA Free [NBP3-25671] - SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] detects SARS-CoV-2 (COVID-19) Spike RBD Omicron protein by immunofluorescent analysis. Sample: Mock and transfected 293T cells were fixed in 4% paraformaldehyde at RT for 15 min. Green: SARS-CoV-2 (COVID-19) Spike RBD Omicron stained by SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) diluted at 1:500. Blue: Fluoroshield with DAPI .](http://images.novusbio.com/fullsize/nbp3-25671_rabbit-sars-cov-2-spike-rbd-mab-hl1866-omicron-variant-azide-bsa-free-2120249362729.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Sandwich ELISA detection of SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BA.2.75 variant, His tag using ELISA pairs below. Pair 1: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Pair 2: Capture: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Pair 3: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL) Please notice that NBP3-25671 and NBP3-25672 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014 and NBP3-25672. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249413310.jpg "ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Sandwich ELISA detection of SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BA.2.75 variant, His tag using ELISA pairs below. Pair 1: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Pair 2: Capture: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1866] (NBP3-25671) (1 ug/mL) Pair 3: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL) Please notice that NBP3-25671 and NBP3-25672 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014 and NBP3-25672. Please contact us for custom HRP-conjugated antibody.")
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Indirect ELISA analysis was performed by coating the plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.7 Alpha variant; B.1.351 Beta variant; P.1 Gamma variant; B1.617.2 Delta variant; BA.1 Omicron variant; BA.2 Omicron variant; BA.4/BA.5 Omicron variant) (28.78-0.45 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-212024940381.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Inhibition analysis of SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (104-13333 pM) using SARS-CoV-2 Neutralizing Antibody ELISA Kit (Omicron BA.1 / BA.2 / BA.4 / BA.5).](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-212024942542.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Sandwich ELISA detection of SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BA.2.75 variant, His tag using ELISA pairs below. Pair 1: Capture: SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (HRP) (HL1014-01) (1 ug/mL) Pair 2: Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1004] (HRP) (1 ug/mL)](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249351385.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Sandwich ELISA detection of recombinant SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BF.7 variant, His tag using antibodies as below. Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: HRP-conjugated SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL) Please notice that NBP3-25672 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249355581.jpg)
![Functional (Inhibition): SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Inhibition analysis of immobilized recombinant Spike RBD Protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; BA.1 Omicron variant; BA.2 Omicron variant; BA.4/BA.5 Omicron variant) (coated at 2 ug/mL) binding to soluble recombinant Human ACE2 (ECD) protein, mouse IgG Fc tag (active) (1000 ng/mL) binding was inhibited by increasing concentrations of SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (0.09-66.67 nM). Bound was detected by Goat Anti-Mouse IgG antibody (HRP) (1:10000).](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249374973.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Sandwich ELISA detection of recombinant Spike RBD Protein(s) derived from different strains of SARS-CoV-2 virus (ie., BA.4/BA.5 Omicron variant; BF.7 Omicron variant; BQ.1 Omicron variant) using antibodies as below. Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: HRP-conjugated SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL) Please notice that NBP3-25672 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249425449.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Sandwich ELISA detection of recombinant Spike RBD Protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; BA.4/BA.5 Omicron variant) using antibodies as below. Capture: SARS-CoV-2 (COVID-19) Spike RBD antibody [HL1014] (5 ug/mL) Detection: HRP-conjugated SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL) Please notice that NBP3-25672 needs to be conjugated to HRP to function as the detection antibody when paired with HL1014. Please contact us for custom HRP-conjugated antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-212024941338.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Indirect ELISA analysis was performed by coating the plate with recombinant SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BF.7 variant, His tag (28.78-0.45 nM). Coated protein was probed with the specified SARS-CoV-2 (COVID-19) Spike antibodies (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) or goat anti-mouse IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249415955.jpg)
![Immunocytochemistry/Immunofluorescence: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] detects SARS-CoV-2 (COVID-19) Spike RBD Omicron protein by immunofluorescent analysis. Sample: Mock and transfected 293T cells were fixed in 4% paraformaldehyde at RT for 15 min. Green: SARS-CoV-2 (COVID-19) Spike RBD Omicron stained by SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) diluted at 1:500. Blue: Fluoroshield with DAPI .](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249374937.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Indirect ELISA analysis was performed by coating the plate with recombinant Spike ECD protein(s) derived from different strains of SARS-CoV-2 virus (ie., BA.2.12.1 Omicron variant; BA.4/BA.5 Omicron variant) (28.78-0.45 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) Spike RBD Omicron antibody [HL1867] (NBP3-25672) (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-2120249393569.jpg)
![ELISA: SARS-CoV-2 Spike RBD Antibody (HL1867) - Omicron Variant - Azide and BSA Free [NBP3-25672] - Indirect ELISA analysis was performed by coating the plate with recombinant SARS-CoV-2 (COVID-19) Spike (ECD) Protein, Omicron / BQ.1 variant, His tag (28.78-0.45 nM). Coated protein was probed with the specified SARS-CoV-2 (COVID-19) Spike antibodies (1 ug/mL). Goat anti-rabbit IgG antibody (HRP) (1:10000) or goat anti-mouse IgG antibody (HRP) (1:10000) was used to detect the bound primary antibody.](http://images.novusbio.com/fullsize/nbp3-25672_rabbit-sars-cov-2-spike-rbd-mab-hl1867-omicron-variant-azide-bsa-free-212024940811.jpg)