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![Immunohistochemistry: SARS Nucleocapsid Protein Antibody [NB100-56576] - Immunostaining of severe acute respiratory syndrome coronavirus 2 in pulmonary tissues from fatal coronavirus disease cases. A) P5 (Patient 5): scattered immunostaining of tracheal epithelial cells. B) P5: higher magnification shows immunostaining of ciliated cells. C) P8: immunostaining of desquamated type I pneumocyte in an alveolar lumen. D) P4: colocalization of SARS-CoV-2 viral antigen (red) with type II pneumocyte stained by surfactant (brown; arrow). E) P4: colocalization of SARS-CoV-2 viral antigen (red) with macrophages stained by CD163 (brown; arrows); virus immunostaining within type II pneumocytes is also seen (arrowheads). F) P4: extensive immunostaining of hyaline membranes in a region of exudative DAD. G) P3: scattered immunostaining within macrophage in hilar lymph node; anthracosis is also present. Emerg Infect Dis. 2020 May 21;26(9) 10.3201/eid2609.202095, PMID: 32437316](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Immunohistochemistry-NB100-56576-img0005.jpg "Immunohistochemistry: SARS Nucleocapsid Protein Antibody [NB100-56576] - Immunostaining of severe acute respiratory syndrome coronavirus 2 in pulmonary tissues from fatal coronavirus disease cases. A) P5 (Patient 5): scattered immunostaining of tracheal epithelial cells. B) P5: higher magnification shows immunostaining of ciliated cells. C) P8: immunostaining of desquamated type I pneumocyte in an alveolar lumen. D) P4: colocalization of SARS-CoV-2 viral antigen (red) with type II pneumocyte stained by surfactant (brown; arrow). E) P4: colocalization of SARS-CoV-2 viral antigen (red) with macrophages stained by CD163 (brown; arrows); virus immunostaining within type II pneumocytes is also seen (arrowheads). F) P4: extensive immunostaining of hyaline membranes in a region of exudative DAD. G) P3: scattered immunostaining within macrophage in hilar lymph node; anthracosis is also present. Emerg Infect Dis. 2020 May 21;26(9) 10.3201/eid2609.202095, PMID: 32437316")
![Immunohistochemistry: SARS Nucleocapsid Protein Antibody [NB100-56576] - Pathological changes in rhesus macaques infected with SARS-CoV-2. (g) SARSCoV-2 antigen is detected by immunohistochemistry in type I pneumocytes. Magnification 400x. (j) SARS-CoV-2 antigen is detected by immunohistochemistry in type I pneumocytes (asterisk) and type II pneumocytes (arrow) as well as alveolar macrophages (arrowheads). Magnification 400x. (k) SARS-CoV-2 antigen is detected by immunohistochemistry in mediastinal lymph node. Magnification 400x. (l) SARSCoV-2 antigen is detected by immunohistochemistry in macrophages and lymphocytes in the lamina propria of the cecum. Magnification 400x. bioRxiv March 21, 2020 //doi.org/10.1101/2020.03.21.001628](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Immunohistochemistry-NB100-56576-img0004.jpg)
![<b>Orthogonal Strategies Validation. </b>Dual RNAscope ISH-IHC: SARS Nucleocapsid Protein Antibody [NB100-56576] - Formalin-fixed paraffin-embedded tissue sections of SARS-CoV-2 infected human lung tissue were probed for SARS-CoV-2 viral RNA (ACD anti-sense specific probe v-nCoV2019-S (848561); Fast Red chromogen, ACD [322360]). Adjacent tissue section was processed for immunohistochemistry using rabbit polyclonal anti-SARS Nucleocapsid Antibody [NB100-56576] at 15ug/mL with 1 hr incubation at 25 degrees Celsius followed by incubation with anti-rabbit IgG VisUCyte HRP Polymer Antibody [VC003] and DAB chromogen (yellow-brown). Tissue was counterstained with hematoxylin (blue). Specific staining was localized to SARS-CoV-2 infected cells.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Dual-RNAscope-ISH-IHC-NB100-56576-img0006.jpg)
![Immunohistochemistry: SARS Nucleocapsid Protein Antibody [NB100-56576] - Characteristics of 2B4 cells clonally derived from human bronchial epithelial Calu-3 cells. Finally, 2B4 cells (passage 6) were infected with SARS-CoV (MOI = 0.1) for 24, 48, and 72 hrs before being fixed with 4% paraformaldehyde for monitoring the morphological changes of infected cells, as visualized by the expression of SARS-CoV NP protein (red) by using the standard IHC (F). Image collected and cropped by CiteAb from the following publication (//dx.plos.org/10.1371/journal.pone.0008729) licensed under a CC-BY license.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Immunohistochemistry-NB100-56576-img0003.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody [NB100-56576] - Western blot shows recombinant SARS-CoV-2 Nucleocapsid protein. PVDF membrane was probed with 1 ug/mL of Rabbit Anti-SARS-CoV-2 Nucleocapsid Polyclonal Antibody (Catalog # NB100-56576) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (HAF008). A specific band was detected for SARS-CoV-2 Nucleocapsid at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Western-Blot-NB100-56576-img0007.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody [NB100-56576] - analysis of SARS Nucleocapsid in (A) untransfected mouse melanoma cell lysate and (B) transfected cell lysate using this antibody.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Western-Blot-NB100-56576-img0002.jpg)
![Simple Western: SARS Nucleocapsid Protein Antibody [NB100-56683] - Simple Western lane view shows recombinant SARS-CoV-2 Nucleocapsid Protein (Catalog # 10474-CV), loaded at 20 ng/mL. A specific band was detected for SARS-CoV-2 Nucleocapsid Protein at approximately 60 kDa (as indicated) using a serial dilution of Rabbit Anti-SARS-CoV Nucleocapsid Protein Polyclonal Antibody (Catalog # NB100-56683) followed by incubation with HRP-conjugated Anti-Goat IgG Secondary Antibody. This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Simple-Western-NB100-56683-img0004.jpg "Simple Western: SARS Nucleocapsid Protein Antibody [NB100-56683] - Simple Western lane view shows recombinant SARS-CoV-2 Nucleocapsid Protein (Catalog # 10474-CV), loaded at 20 ng/mL. A specific band was detected for SARS-CoV-2 Nucleocapsid Protein at approximately 60 kDa (as indicated) using a serial dilution of Rabbit Anti-SARS-CoV Nucleocapsid Protein Polyclonal Antibody (Catalog # NB100-56683) followed by incubation with HRP-conjugated Anti-Goat IgG Secondary Antibody. This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.")
![<b>Orthogonal Strategies Validation. </b>Dual RNAscope ISH-IHC: SARS Nucleocapsid Protein Antibody [NB100-56683] - Formalin-fixed paraffin-embedded tissue sections of SARS-CoV-2 infected human lung tissue were probed for SARS-CoV-2 viral RNA (ACD anti-sense specific probe v-nCoV2019-S [848561]); Fast Red chromogen, ACD [322360]). Adjacent tissue section was processed for immunohistochemistry using rabbit polyclonal anti-SARS Nucleocapsid Antibody [NB100-56683] at 15ug/mL with 1 hr incubation at 25 degrees Celsius followed by incubation with anti-rabbit IgG VisUCyte HRP Polymer Antibody [VC003] and DAB chromogen (yellow-brown). Tissue was counterstained with hematoxylin (blue). Specific staining was localized to SARS-CoV-2 infected cells.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Dual-RNAscope-ISH-IHC-NB100-56683-img0005.jpg)
![Simple Western: SARS Nucleocapsid Protein Antibody [NB100-56683] - Simple Western lane view shows lysates of SARS-CoV-2 (1:50), MERS (1:100), OC43 (1:100), and 229E (1:100). A specific band was detected for SARS-CoV-2 Nucleocapsid Protein at approximately 60 kDa (as indicated) only in the SARS-CoV-2 lysate using 25 ug/mL of Rabbit Anti-SARS-CoV Nucleocapsid Protein Polyclonal Antibody (Catalog # NB100-56683) followed by incubation with HRP-conjugated Anti-Goat IgG Secondary Antibody. This experiment was conducted under reducing conditions and using the 12-230 kDa separation system. Note: some reactivity observed with FL Std 230. SARS-CoV-2 lysate courtesy of University of Maryland.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Simple-Western-NB100-56683-img0003.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody [NB100-56683] - Analysis of SARS Nucleocapsid in (A) untransfected mouse melanoma cell lysate and (B) transfected cell lysate using this antibody at a 1:2000 dilution.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Western-Blot-NB100-56683-img0002.jpg)
![Western Blot: Sars Spike Protein Antibody [NB100-56047] - Analysis of SARS Spike in (A) transfected mouse melanoma cell lysate and (B) untransfected cell lysate using this antibody. 5 ug/ml.](http://images.novusbio.com/fullsize/Sars-Spike-Protein-Antibody-Western-Blot-NB100-56047-img0003.jpg "Western Blot: Sars Spike Protein Antibody [NB100-56047] - Analysis of SARS Spike in (A) transfected mouse melanoma cell lysate and (B) untransfected cell lysate using this antibody. 5 ug/ml.")
![Western Blot: Sars Membrane Protein Antibody [NB100-56569] - Western blot analysis of Sars Membrane Protein in (A) recombinant fusion protein containing amino acids 195-210 and (B) fusion partner without these amino acids, using NB100-56569 at 0.5 ug/ml.](http://images.novusbio.com/fullsize/Sars-Membrane-Protein-Antibody-Western-Blot-NB100-56569-img0003.jpg "Western Blot: Sars Membrane Protein Antibody [NB100-56569] - Western blot analysis of Sars Membrane Protein in (A) recombinant fusion protein containing amino acids 195-210 and (B) fusion partner without these amino acids, using NB100-56569 at 0.5 ug/ml.")
![Immunocytochemistry/Immunofluorescence: Sars Membrane Protein Antibody [NB100-56569] - Vero cells infected with SARS-CoV-2. Blue: DAPI; Green: SARS-CoV-2 membrane protein (NB100-56569); Magenta: SARS-CoV-2 nuclecapsid protein. Image from verified customer review.](http://images.novusbio.com/fullsize/Sars-Membrane-Protein-Antibody-Immunocytochemistry-Immunofluorescence-NB100-56569-img0004.jpg)
![Immunohistochemistry: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Formalin-fixed paraffin-embedded tissue sections of SARS-CoV-2 infected human lung tissue was processed for immunohistochemistry using rabbit polyclonal anti-SARS Nucleocapsid Antibody [NB100-56576] at 15ug/mL with 1 hr incubation at 25 degrees Celsius followed by incubation with anti-rabbit IgG VisUCyte HRP Polymer Antibody [VC003] and DAB chromogen (yellow-brown). Tissue was counterstained with hematoxylin (blue). Specific staining was localized to SARS-CoV-2 infected cells.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Pack-Immunohistochemistry-NBP3-05695-img0003.jpg "Immunohistochemistry: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Formalin-fixed paraffin-embedded tissue sections of SARS-CoV-2 infected human lung tissue was processed for immunohistochemistry using rabbit polyclonal anti-SARS Nucleocapsid Antibody [NB100-56576] at 15ug/mL with 1 hr incubation at 25 degrees Celsius followed by incubation with anti-rabbit IgG VisUCyte HRP Polymer Antibody [VC003] and DAB chromogen (yellow-brown). Tissue was counterstained with hematoxylin (blue). Specific staining was localized to SARS-CoV-2 infected cells.")
![Immunocytochemistry/Immunofluorescence: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Immunofluorescence assay using Rabbit Anti-SARS-CoV Nucleocapsid (N) Antibody[NBP2-44205], showing viral protein synthesis. VeroE6 cells were infected with rSARS-CoV-2. Mock: non-infected cells. At 48 h.p.i, cells were fixed and prepared for immunofluorescence staining with primary antibodies directed against double-stranded RNA (dsRNA) [green] and SARS-CoV Nucleocapsid (N) [red]. Nuclear Counterstain DAPI [blue].](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Pack-Immunocytochemistry-Immunofluorescence-NBP3-05695-img0001.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Analysis of SARS Nucleocapsid in (A) untransfected mouse melanoma cell lysate and (B) transfected cell lysate using this antibody [NB100-56683] at a 1:2000 dilution.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Pack-Western-Blot-NBP3-05695-img0004.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Western blot using Protein A Purified anti-SARS CoV Nucleocapsid (N) protein antibody shows detection of a 46 kDa band corresponding to the protein. Approx. 100 ng of protein was loaded for SDS-PAGE and transferred onto nitrocellulose. The blot was incubated with a 1:5,000 dilution of the antibody[NBP2-44205] at room temperature for 1 h followed by detection using IRDy(TM) 800 labeled Goat-a-Rabbit IgG [H&L] diluted 1:10,000. The fluorescence image was captured using the Odyssey(R) Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Pack-Western-Blot-NBP3-05695-img0006.jpg)
![Immunohistochemistry: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Formalin-fixed paraffin-embedded tissue sections of SARS-CoV-2 infected human lung tissue was processed for immunohistochemistry using rabbit polyclonal anti-SARS Nucleocapsid Antibody [NB100-56683] at 15ug/mL with 1 hr incubation at 25 degrees Celsius followed by incubation with anti-rabbit IgG VisUCyte HRP Polymer Antibody [VC003] and DAB chromogen (yellow-brown). Tissue was counterstained with hematoxylin (blue). Specific staining was localized to SARS-CoV-2 infected cells.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Pack-Immunohistochemistry-NBP3-05695-img0005.jpg)
![Immunohistochemistry: SARS Nucleocapsid Protein Antibody Pack [NBP3-05695] - Pathological changes in rhesus macaques infected with SARS-CoV-2. (g) SARSCoV-2 antigen is detected by immunohistochemistry in type I pneumocytes. Magnification 400x. (j) SARS-CoV-2 antigen is detected by immunohistochemistry in type I pneumocytes (asterisk) and type II pneumocytes (arrow) as well as alveolar macrophages (arrowheads). Magnification 400x. (k) SARS-CoV-2 antigen is detected by immunohistochemistry in mediastinal lymph node. Magnification 400x. (l) SARSCoV-2 antigen is detected by immunohistochemistry in macrophages and lymphocytes in the lamina propria of the cecum. Magnification 400x. bioRxiv March 21, 2020 //doi.org/10.1101/2020.03.21.001628 SARS Nucleocapsid Protein Antibody [NB100-56576]](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Pack-Immunohistochemistry-NBP3-05695-img0002.jpg)
![Western Blot: Sars Spike Protein Antibody [NB100-56048] - Used at 1 ug/ml to analyze SARS Spike in (A) transfected mouse melanoma cell lysate and (B) untransfected cell lysate.](http://images.novusbio.com/fullsize/Sars-Spike-Protein-Antibody-Western-Blot-NB100-56048-img0002.jpg "Western Blot: Sars Spike Protein Antibody [NB100-56048] - Used at 1 ug/ml to analyze SARS Spike in (A) transfected mouse melanoma cell lysate and (B) untransfected cell lysate.")
![Western Blot: SARS Nucleocapsid Protein Antibody [NB100-56049] - Analysis of SARS Nucleocapsid in (A) transfected mouse melanoma cell lysate and (B) untransfected cell lysate using this antibody.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Western-Blot-NB100-56049-img0002.jpg "Western Blot: SARS Nucleocapsid Protein Antibody [NB100-56049] - Analysis of SARS Nucleocapsid in (A) transfected mouse melanoma cell lysate and (B) untransfected cell lysate using this antibody.")
![ELISA: SARS-CoV-2 Spike Antibody (CR3022) [NBP2-90980] - Binding curve of SARS-CoV-2 Spike Antibody (CR3022) to SARS-CoV-2 Spike Glycoprotein domains S1 and S2 of various origin. ELISA plate coated with SARS-CoV-2 Spike Glycoprotein (S1), His-Tag (Insect Cells; grey line), SARS-CoV-2 Spike Glycoprotein (S2), His-Tag (Insect Cells; yellow line) and SARS Coronavirus Spike Glycoprotein (S1), His-Tag (HEK293 cells; blue line) (Native Antigen) at concentrations of 5 ug/ml. A 3-fold serial dilution from 41.6 ng/ml was performed using SARS-CoV-2 Spike Antibody (CR3022). For detection, a 1:4000 dilution of HRP-labelled anti-human IgG antibody was used.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-CR3022-ELISA-NBP2-90980-img0001.jpg "ELISA: SARS-CoV-2 Spike Antibody (CR3022) [NBP2-90980] - Binding curve of SARS-CoV-2 Spike Antibody (CR3022) to SARS-CoV-2 Spike Glycoprotein domains S1 and S2 of various origin. ELISA plate coated with SARS-CoV-2 Spike Glycoprotein (S1), His-Tag (Insect Cells; grey line), SARS-CoV-2 Spike Glycoprotein (S2), His-Tag (Insect Cells; yellow line) and SARS Coronavirus Spike Glycoprotein (S1), His-Tag (HEK293 cells; blue line) (Native Antigen) at concentrations of 5 ug/ml. A 3-fold serial dilution from 41.6 ng/ml was performed using SARS-CoV-2 Spike Antibody (CR3022). For detection, a 1:4000 dilution of HRP-labelled anti-human IgG antibody was used.")
![ELISA: SARS-CoV-2 Spike Antibody (CR3022) [NBP2-90980] - Binding curve of SARS-CoV-2 Spike Antibody (CR3022) to SARS-CoV-2 Spike Glycoprotein (S1), Sheep Fc-Tag and SARS-CoV-2 Spike Glycoprotein (S2), Sheep Fc-Tag from HEK293 cells. ELISA plate coated with SARS-CoV-2 Spike Glycoprotein (S1), Sheep Fc-Tag (blue line) or SARS-CoV-2 Spike Glycoprotein (S2), Sheep Fc-Tag (orange line) from HEK293 cells (Native Antigen) at concentrations of 5 ug/ml. A 3-fold serial dilution from 125 ng/ml was performed using SARS-CoV-2 Spike Antibody (CR3022). For detection, a 1:4000 dilution of HRP-labelled anti-human IgG antibody was used.](http://images.novusbio.com/fullsize/SARS-CoV-2-Spike-Antibody-CR3022-ELISA-NBP2-90980-img0002.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody [NBP2-44205] - Western blot using Protein A Purified anti-SARS CoV Nucleocapsid (N) protein antibody shows detection of a 46 kDa band corresponding to the protein. Approx. 100 ng of protein was loaded for SDS-PAGE and transferred onto nitrocellulose. The blot was incubated with a 1:5,000 dilution of the antibody at room temperature for 1 h followed by detection using IRDy(TM) 800 labeled Goat-a-Rabbit IgG [H&L] (611-132-122) diluted 1:10,000. The fluorescence image was captured using the Odyssey(R) Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Western-Blot-NBP2-44205-img0004.jpg "Western Blot: SARS Nucleocapsid Protein Antibody [NBP2-44205] - Western blot using Protein A Purified anti-SARS CoV Nucleocapsid (N) protein antibody shows detection of a 46 kDa band corresponding to the protein. Approx. 100 ng of protein was loaded for SDS-PAGE and transferred onto nitrocellulose. The blot was incubated with a 1:5,000 dilution of the antibody at room temperature for 1 h followed by detection using IRDy(TM) 800 labeled Goat-a-Rabbit IgG [H&L] (611-132-122) diluted 1:10,000. The fluorescence image was captured using the Odyssey(R) Infrared Imaging System developed by LI-COR. IRDye is a trademark of LI-COR, Inc. Other detection systems will yield similar results.")
![Immunocytochemistry/Immunofluorescence: SARS Nucleocapsid Protein Antibody [NBP2-44205] - Immunofluorescence assay using Rabbit Anti-SARS-CoV Nucleocapsid (N) Antibody, showing viral protein synthesis. VeroE6 cells were infected with rSARS-CoV-2. Mock: non-infected cells. At 48 h.p.i, cells were fixed and prepared for immunofluorescence staining with primary antibodies directed against double-stranded RNA (dsRNA) [green] and SARS-CoV Nucleocapsid (N) [red]. Nuclear Counterstain DAPI [blue].](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Immunocytochemistry-Immunofluorescence-NBP2-44205-img0003.jpg)
![Immunohistochemistry: SARS Nucleocapsid Protein Antibody [NBP2-44205] - Immunohistochemistry results showing positive staining in placenta tissue using Anti-SARS-CoV Nucleocapsid (N) Antibody.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Immunohistochemistry-NBP2-44205-img0005.jpg)
![Western Blot: SARS Nucleocapsid Protein Antibody [NBP2-44205] - Western Blot of Rabbit Anti-SARS CoV Nucleocapsid (N) Protein Antibody. Lane 1: Opal Prestained Molecular Weight Marker. Lane 2: SARS CoV Nucleocapsid (N) Protein [20 ng]. Primary Antibody: Anti-SARS CoV Nucleocapsid (N) Protein Antibody at 1.0 ug/mL overnight at 2-8 degrees C. Secondary Antibody: Goat Anti-Rabbit IgG HRP at 1:40000 for 30 mins at RT. Predicted MW: ~46 kDa. Observed MW: ~48 kDa.](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-Western-Blot-NBP2-44205-img0001.jpg)
![ELISA: SARS Nucleocapsid Protein Antibody [NBP2-44205] - ELISA results of Rabbit Anti-SARS-CoV Nucleocapsid (N) Protein. Each well was coated in duplicate with 0.5ug/mL of SARS CoV-1 [Red Line], SARS CoV-2 Nc [Green Line], MERS CoV N [Blue Line]. The starting dilution of antibody was 2 ug/mL and the X-axis represents the Log10 of a 3-fold dilution. This titration is a 4-parameter curve fit where the IC50 is defined as the titer of the antibody. SARS CoV-1N IC50: 11ng/mL, SARS CoV-2N IC50: 15 ng/mL. Assay performed using Goat Anti-Rabbit IgG HRP conjugated (p/n 611-1302) and TMB substrate (p/n TMBE-1000).](http://images.novusbio.com/fullsize/SARS-Nucleocapsid-Protein-Antibody-ELISA-NBP2-44205-img0006.jpg)