Sandwich ELISA detection of recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag protein (GTX135592-pro) using SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) as capture antibody at concentration of 5 μg/mL and HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL249] (GTX635678) as detection antibody at concentration of 1 μg/mL.
Please notice that GTX635678 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635685. Please contact us for custom HRP-conjugated antibody.

Sandwich ELISA detection of recombinant nucleocapsid protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; BA.2 / BA.5 Omicron variant) using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (5 μg/mL)
Detection: HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455] (GTX635688) (1 μg/mL)
Please notice that GTX635688 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635685. Please contact us for custom HRP-conjugated antibody.

Indirect ELISA analysis performed by coating plate with recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag (GTX135592-pro) (1000-15.63 ng/mL). Coated protein was probed with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Non-transfected (–) and transfected (+) 293T whole cell extracts (30 μg) were separated by 10% SDS-PAGE, and the membrane was blotted with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) diluted at 1:5000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.

Sandwich ELISA detection of recombinant nucleocapsid protein(s) derived from different strains of SARS-CoV-2 virus (ie., Wild type; B.1.1.529 Omicron variant) using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (5 μg/mL)
Detection: HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455] (GTX635688) (1 μg/mL)
Please notice that GTX635688 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635685. Please contact us for custom HRP-conjugated antibody.

Sandwich ELISA detection of recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag (GTX135592-pro) using SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) as capture antibody at concentration of 5 μg/mL and HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455] (GTX635688) as detection antibody at concentration of 1 μg/mL.
Please notice that GTX635688 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635685. Please contact us for custom HRP-conjugated antibody.

SARS-CoV-2 (COVID-19) nucleocapsid protein, B.1.1.529 / Omicron variant, His tag (0.5 μg), expressed by HEK293 cells (GTX136779-pro) or E. coli (GTX03400-pro), were separated by 10% SDS-PAGE, and the membrane was blotted with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) diluted at 1:20000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.

Sandwich ELISA detection of recombinant full-length Nucleocapsid proteins derived from different strains of SARS-CoV-2 virus (Wild type or B.1.617.2 delta variant) using antibodies as below.
Capture: SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (5 μg/mL)
Detection: HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455] (GTX635688) (1 μg/mL).

Please notice that GTX635688 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635685. Please contact us for custom HRP-conjugated antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 Nucleocapsid protein (D63G, R203M, D377Y, R385K), His Tag (delta variant) and SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag (wild type) (GTX135592-pro) (21.91-0.34 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) nucleocapsid protein, B.1.1.529 / Omicron variant, His tag (GTX136779-pro) (21.91-0.34 nM). Coated protein was probed with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL448] (GTX635686), SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5511] (GTX635689), SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685), SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455] (GTX635688), and SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL344] (GTX635679) (1 μg/mL). Goat anti-rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) was used to detect bound primary antibody.

Indirect ELISA analysis performed by coating plate with recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag protein (GTX135592-pro) (1000-15.63 ng/mL). Coated protein probed with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) detected bound primary antibody.

Sandwich ELISA detection of recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag protein (GTX135592-pro) using SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) as capture antibody at concentration of 5 μg/mL and HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL448] (GTX635686-01) as detection antibody at concentration of 1 μg/mL.

Sandwich ELISA detection of recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag protein (GTX135592-pro) using SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) as capture antibody at concentration of 5 μg/mL and SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455-MS] (GTX635712) as detection antibody at concentration of 1 μg/mL. Mouse IgG antibody (HRP) (GTX213111-01) was diluted at 1:10000 and used to detect the primary antibody.
Sensitivity : 2.68 pg/mL

SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] detects SARS-CoV-2 (COVID-19) nucleocapsid 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) nucleocapsid stained by SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) diluted at 1:1000.
Blue: Fluoroshield with DAPI (GTX30920).

Indirect ELISA analysis performed by coating plate with recombinant SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag protein (GTX135592-pro or GTX135357-pro) (15.63-1000 ng/mL). Coated protein probed with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (1 μg/mL). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) detected bound primary antibody.

Sandwich ELISA detection of non-transfected (GTX535673) and SARS-CoV-2 (GTX535665), MERS-CoV and SARS-CoV Nucleocapsid transfected 293T whole cell extracts, SARS-CoV OC43 lysate, SARS-CoV NL63 lysate, or SARS-CoV 229E lysate using SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) as capture antibody at concentration of 5 μg/mL and SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455-MS] (GTX635712) as detection antibody at concentration of 1 μg/mL. Mouse IgG antibody (HRP) (GTX213111-01) was diluted at 1:10000 and used to detect the primary antibody.

SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] detects SARS-CoV-2 (COVID-19) nucleocapsid protein by immunohistochemical analysis.
Sample: Mock (GTX435670) and SARS-CoV-2 (COVID-19) Nucleocapsid transfected 293T cell FFPE Cell Pellet Block (GTX435641).
Green: SARS-CoV-2 (COVID-19) nucleocapsid stained by SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) diluted at 1:1000.
Blue: Fluoroshield with DAPI (GTX30920).
Antigen Retrieval: Citrate buffer, pH 6.0, 15 min

Indirect ELISA analysis performed by coating plate with recombinant full-length SARS-CoV-2 (COVID-19) nucleocapsid protein, His tag protein (GTX135592-pro) (50 ng). Coated protein probed with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (20-4.8*10^-6 nM). Rabbit IgG antibody (HRP) (GTX213110-01) (1:10000) detected bound primary antibody.
EC50 : 0.009 nM

Sandwich ELISA detection of recombinant SARS-CoV-2 (COVID-19) Nucleocapsid protein, Omicron / BA.4 variant, His tag using antibodies as below.

Capture: SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) (5 μg/mL)
Detection: HRP-conjugated SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL455] (GTX635688) (1 μg/mL)
Please notice that GTX635688 needs to be conjugated to HRP to function as the detection antibody when paired with GTX635685. Please contact us for custom HRP-conjugated antibody.

Non-transfected (–) and transfected (+) 293T whole cell extracts (30 μg) were separated by 10% SDS-PAGE, and the membrane was blotted with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) diluted at 1:5000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.

Non-transfected (–) and transfected (+) 293T whole cell extracts (30 μg) were separated by 10% SDS-PAGE, and the membrane was blotted with SARS-CoV-2 (COVID-19) nucleocapsid antibody [HL5410] (GTX635685) diluted at 1:5000. The HRP-conjugated anti-rabbit IgG antibody (GTX213110-01) was used to detect the primary antibody.