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Primary Antibodies

Primary Antibodies

Our Primary Antibodies are research-use antibodies designed to support protein detection and target analysis across a wide range of applications and species. Our collection includes recombinant antibodies, monoclonal antibodies, and polyclonal antibodies for use in Western blotting (WB), immunohistochemistry (IHC), immunocytochemistry (ICC), immunofluorescence (IF), flow cytometry (FC), ELISA, and other common applications.

These primary antibodies are available for targets involved in cancer research, immunology, neuroscience, cell biology, metabolism, apoptosis, signaling pathways, and disease-related research. Bioss offers primary antibodies guaranteed for use in human, mouse, rat, and other species to help researchers choose the right antibody format for their experimental model and detection method.



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Formalin-fixed and paraffin embedded rat submandibular gland labeled with Mouse Anti-PSA(Pa3) Monoclonal Antibody (bsm-1625M) at 1:200 followed by conjugation to the secondary antibody and DAB staining\\n
Paraformaldehyde-fixed, paraffin embedded Human Prostate Cancer; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with PSA(Pa3) Monoclonal Antibody, Unconjugated (bsm-1625M) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-40296G-HRP and DAB (C-0010) staining.
Paraformaldehyde-fixed, paraffin embedded Human Prostate; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with PSA(Pa3) Monoclonal Antibody, Unconjugated (bsm-1625M) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-40296G-HRP and DAB (C-0010) staining.

Catalog #1: bsm-1625m-100ul

Applications: WB, ELISA, IHC-P, IF(IHC-P)

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bsm-1626m-100ul

Applications: WB, ELISA, IHC-P, IHC-F, IF

Reactivity: Human

Conjugate: Unconjugated

Antigen: bs-2000P, 0.2ug\/100ul Primary: Antiserum, 1:500, 1:1000, 1:2000, 1:4000, 1:8000, 1:16000, 1:32000; Secondary: HRP conjugated Goat Anti-Mouse IgG (bs-0296G-HRP) at 1: 5000; TMB staining; Read the data in MicroplateReader by 450nm.
Lane 1: Recombinant HBcAg protein, Tag free probed with HBcAg Monoclonal Antibody, Unconjugated (bsm-2000M) at 1:1000 dilution and 4\u00b0C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.

Catalog #1: bsm-2000m-100ul

Applications: ELISA, IHC-P, IF(IHC-P)

Reactivity: Virus, Others

Conjugate: Unconjugated

Catalog #1: bsm-2000M-Biotin

Applications: ELISA, IHC-P

Reactivity: Virus, Others

Conjugate: Biotin

Catalog #1: bsm-2000M-HRP

Applications: ELISA, IHC-P

Reactivity: Virus, Others

Conjugate: HRP

Catalog #1: bsm-2011M-Biotin

Applications: WB, IHC-P

Reactivity: Rat

Conjugate: Biotin

Catalog #1: bsm-2011M-HRP

Applications: WB, IHC-P

Reactivity: Rat

Conjugate: HRP

Catalog #1: bsm-2011M

Applications: WB, IHC-P, IF(IHC-P)

Reactivity: Rat

Conjugate: Unconjugated

Lane 1: NIH\/3T3 cell lysates probed with PCNA(1C11) Monoclonal Antibody, Unconjugated (bsm-2006M) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.
Lane 1: Hela cell lysates probed with PCNA(1C11) Monoclonal Antibody, Unconjugated (bsm-2006M) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.
Lane 1: A431 cell lysates probed with PCNA(1C11) Monoclonal Antibody, Unconjugated (bsm-2006M) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.
Paraformaldehyde-fixed, paraffin embedded Human gastric carcinoma; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Antibody incubation with PCNA(1C11) Monoclonal Antibody, Unconjugated (bsm-2006M) at 1:400 overnight at 4\u00b0C, DAB staining.

Catalog #1: bsm-2006M

Applications: WB, IHC-P, IF(IHC-P)

Reactivity: Human, Mouse, Rat, Rabbit

Conjugate: Unconjugated

Catalog #1: bsm-2025M-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: Biotin

Catalog #1: bsm-2025M-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: HRP

Catalog #1: bsm-2025m-100ul

Applications: ELISA, IHC-P, IHC-F, IF

Reactivity: Human

Conjugate: Unconjugated

Paraformaldehyde-fixed, paraffin embedded Human Placenta; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; Antibody incubation with CGA Monoclonal Antibody, Unconjugated(bsm-2026M) at 1:200 overnight at 4\u00b0C, followed by conjugation to the SP Kit (Mouse, sp-0024) and DAB (C-0010) staining DAB staining.
Paraformaldehyde-fixed, paraffin embedded Human pituitary gland; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; Antibody incubation with CGA Monoclonal Antibody, Unconjugated(bsm-2026M) at 1:200 overnight at 4\u00b0C, followed by conjugation to the SP Kit(Mouse, sp-0024) and DAB (C-0010) staining DAB staining.

Catalog #1: bsm-2026m-100ul

Applications: ELISA, IHC-P, IHC-F, IF

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bsm-2026m-biotin-100ul

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: Biotin

Catalog #1: bsm-2026m-hrp-100ul

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: HRP

Catalog #1: bsm-2028m

Applications: ELISA, IHC-P, IF(IHC-P)

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bsm-2052M-Biotin

Applications: WB, IHC-P

Reactivity: Human

Conjugate: Biotin

Catalog #1: bsm-2052M-HRP

Applications: WB, IHC-P

Reactivity: Human

Conjugate: HRP

Paraformaldehyde-fixed, paraffin embedded human liver cancer; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Antibody incubation with Transferrin(1F10) Monoclonal Antibody, Unconjugated (bsm-2052M) at 1:400 overnight at 4\u00b0C, followed by a conjugated secondary antibody for 20 minutes and DAB staining.
Paraformaldehyde-fixed, paraffin embedded Human kidney; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Antibody incubation with Transferrin(1F10) Monoclonal Antibody, Unconjugated (bsm-2052M) at 1:400 overnight at 4\u00b0C, followed by a conjugated secondary antibody for 20 minutes and DAB staining.
Lane 1: Human Serum lysates probed with Transferrin(1F10) Monoclonal Antibody, Unconjugated (bsm-2052M) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.

Catalog #1: bsm-2052M

Applications: WB, IHC-P, IF(IHC-P)

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bsm-2059M-Biotin

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: Biotin

Catalog #1: bsm-2059M-HRP

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: HRP

Catalog #1: bsm-2059M

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bsm-2079M-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Other Species

Conjugate: Biotin

Catalog #1: bsm-2079M-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Other Species

Conjugate: HRP

Catalog #1: bsm-2079M

Applications: ELISA, IHC-P, IHC-F, IF

Reactivity: Other Species

Conjugate: Unconjugated

The A375 (H) cells were fixed with 4% PFA (10 min at r.t.) and then permeabilized with 90% ice-cold methanol for 20 min at -20\u2103,the cells then were incubated in 5%BSA to block non-specific protein-protein interactions (30 min at r.t.).Primary Antibody (green):Rabbit Anti-S100B antibody (bsm-52506R): 1:50-100\/10^6 cells; Secondary Antibody (white blue): Goat anti-Rabbit IgG-BF488 (bs-60295G-BF488): 1 \u03bcg\/test. Isotype Control (orange): Rabbit IgG (bs-0295P). Blank control (black): PBS. Acquisition of 20,000 events was performed.
4% Paraformaldehyde-fixed A375 (H) cell; Triton X-100 at r.t. for 20 min; Antibody incubation with (S100B) monoclonal Antibody, unconjugated (bsm-52506R) 1:100, 90 min at 37\u00b0C; followed by conjugated Goat Anti-Rabbit IgG antibody (green, bs-60295G-BF488) at 37\u00b0C for 90 min, DAPI (blue, C02-04002) was used to stain the cell nuclei. PBS instead of the primary antibody was used as the blank control.
Paraformaldehyde-fixed, paraffin embedded Mouse Cerebrum; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with S100B Monoclonal Antibody, Unconjugated (bsm-52506R) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-0295G-HRP and DAB (C-0010) staining.
Paraformaldehyde-fixed, paraffin embedded Rat Cerebrum; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with S100B Monoclonal Antibody, Unconjugated (bsm-52506R) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-0295G-HRP and DAB (C-0010) staining.

Catalog #1: bsm-52506r

Applications: WB, IHC-P, IHC-F, IF, Flow-Cyt, ICC/IF

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Flow cytometric analysis of HeLa cells with Sonic Hedgehog Protein\/SHH(C-Product) (4C10) Monoclonal Antibody (bsm-52529R) at 1:50 dilution (red) compared with an unlabeled control (cells without incubation with primary antibody; black).
Lane 1: Hela Cells; Lane 2: HepG2 Cells; Probed with Sonic Hedgehog Protein (C-Product) (4C10) Monoclonal Antibody (bsm-52529R) at 1:1000 overnight at 4\u00b0C followed by a conjugated secondary antibody for 60 minutes at 37\u00b0C.
IF(ICC) staining with Sonic Hedgehog Protein\/SHH(C-Product) (4C10) Monoclonal Antibody (bsm-52529R) at 1:100 in HeLa cells (green). The nuclear counterstain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilized with 0.25% Triton X100\/PBS.
IF(ICC) staining with Sonic Hedgehog Protein\/SHH(C-Product) (4C10) Monoclonal Antibody (bsm-52529R) at 1:100 in A549 cells (green). The nuclear counterstain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilized with 0.25% Triton X100\/PBS.

Catalog #1: bsm-52529R

Applications: WB, FCM, IHC-P, IF(ICC), IHC

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bsm-2156M-Biotin

Applications: WB, IHC-P, IHC-F

Reactivity: Human

Conjugate: Biotin

Catalog #1: bsm-2156M-HRP

Applications: WB, IHC-P, IHC-F

Reactivity: Human

Conjugate: HRP

Formalin-fixed and paraffin embedded human ovarian cancer labeled with Anti-HER2 receptor(1A4) Monoclonal Antibody, Unconjugated(bsm-2156M) followed by conjugation to the secondary antibody and DAB staining
Lane 1: A549 Cells; Probed with HER2 receptor(1A4) Monoclonal Antibody (bsm-2156M) at 1:500 overnight at 4\u00b0C followed by a conjugated secondary antibody for 60 minutes at 37\u00b0C.
Tissue\/cell:MCF7 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum, C-0005) at 37\u00b0C for 20 min; Antibody incubation with (HER2 receptor) monoclonal Antibody, Unconjugated (bsm-2156M) 1:100, 90 minutes at 37\u00b0C; followed by a CY3 conjugated Goat Anti-Mouse IgG antibody at 37\u00b0C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.
Tissue\/cell:A549 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum,C-0005) at 37\u00b0C for 20 min; Antibody incubation with (HER2 receptor) monoclonal Antibody, Unconjugated (bsm-2156M) 1:100, 90 minutes at 37\u00b0C; followed by a CY3 conjugated Goat Anti-Mouse IgG antibody at 37\u00b0C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.

Catalog #1: bsm-2156M

Applications: WB, IHC-P, IHC-F, IF, ICC/IF

Reactivity: Human

Conjugate: Unconjugated

The Hela (H) cells were fixed with 4% PFA (10 min at r.t.) and then permeabilized with 90% ice-cold methanol for 20 min at -20\u2103,the cells then were incubated in 5%BSA to block non-specific protein-protein interactions (30 min at r.t.), followed by secondary antibody incubation for 40 min at room temperature. Primary Antibody (green):Rabbit Anti-IKK gamma antibody (bsm-54012R,1:100); Isotype Control (orange): Rabbit IgG (bs-0295P). Blank control (black): PBS. Acquisition of 20,000 events was performed.
Paraformaldehyde-fixed, paraffin embedded Mouse Lung; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with IKK gamma Monoclonal Antibody, Unconjugated (bsm-54012R) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-0295G-HRP and DAB (C-0010) staining.
Paraformaldehyde-fixed, paraffin embedded Rat Lung; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with IKK gamma Monoclonal Antibody, Unconjugated (bsm-54012R) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-0295G-HRP and DAB (C-0010) staining.
Paraformaldehyde-fixed, paraffin embedded Mouse Colon; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min; The section was incubated with IKK gamma Monoclonal Antibody, Unconjugated (bsm-54012R) at 1:200 overnight at 4\u00b0C, followed by conjugation to the bs-0295G-HRP and DAB (C-0010) staining.

Catalog #1: bsm-54012r

Applications: WB, FCM, IHC-P, IF(ICC), IHC

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bsm-2182M-Biotin

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: Biotin

Catalog #1: bsm-2182M-HRP

Applications: ELISA, IHC-P

Reactivity: Others

Conjugate: HRP

Catalog #1: bsm-2182M

Applications: ELISA, IHC-P, IF(IHC-P)

Reactivity: Others

Conjugate: Unconjugated

Catalog #1: bsm-2279M

Applications: ELISA, IHC-P, IHC-F, IF, ICC/IF

Reactivity: Human, Rat, Rabbit

Conjugate: Unconjugated

Catalog #1: bsm-2279M-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human, Rat, Rabbit

Conjugate: Biotin

Catalog #1: bsm-2279M-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human, Rat, Rabbit

Conjugate: HRP

Image kindly submitted by Edita Aksamitiene as part of the Free Sample Program. MCF-7 cells probed with Rabbit Anti-Collagen I\uffa0Polyclonal antibody (bs-10423R)at 1:1000.
This image was kindly submitted by Kandy Velazquez of USC School of Medicine.\r\nMouse adipose tissue lysates probed with Collagen I Polyclonal Antibody, unconjugated (bs-10423R) at 1:1000 overnight at 4\u00b0C followed by a conjugated secondary antibody at 1:2000 for 60 minutes at room temperature.
Paraformaldehyde-fixed, paraffin embedded Mouse skin; Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Blocking buffer (normal goat serum) at 37\u00b0C for 30min; Incubation: Collagen I Antibody, Alexa Fluor 647 Conjugated (bs-10423R-AF647) at 1:400, for 1.5 hours at 37\u00b0C.
Lane 1: Mouse Ovary; Lane 2: NIH\/3T3; Lane 3: Rat Liver; Lane 4: 293T; Lane 5: A431; Lane 6: RAW264.7; Probed with Collagen I Polyclonal Antibody (bs-10423R) at 1:300 dilution overnight at 4\u00b0C followed by a conjugated secondary antibody for 60 minutes at 37\u00b0C.\r\n

Catalog #1: bs-10423r

Applications: WB, IHC-P, IHC-F, IF, Flow-Cyt, ICC/IF

Reactivity: Human, Mouse, Rat

Conjugate: Unconjugated

Catalog #1: bs-10433R-Biotin

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse

Conjugate: Biotin

Catalog #1: bs-10433R-HRP

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse

Conjugate: HRP

Catalog #1: bs-10433R

Applications: WB, ELISA, IHC-P, IHC-F, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Human, Mouse

Conjugate: Unconjugated

Catalog #1: bs-10722R

Applications: ELISA, IHC-P, IHC-F, IF(IHC-P), IF(IHC-F), IF(ICC)

Reactivity: Bacteria

Conjugate: Unconjugated

Catalog #1: bs-10722R-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Bacteria

Conjugate: Biotin

Catalog #1: bs-10722R-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Bacteria

Conjugate: HRP

Catalog #1: bs-10412R-Biotin

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: Biotin

Catalog #1: bs-10412R-HRP

Applications: ELISA, IHC-P, IHC-F

Reactivity: Human

Conjugate: HRP

HeLa cells probed with Rabbit Anti-VEGFR2 Polyclonal Antibody (bs-10412R) at 1:100 for 60 minutes at room temperature followed by Goat Anti-Rabbit IgG (H+L) Alexa Fluor 488 Conjugated Secondary.
Formalin-fixed and paraffin embedded mouse placenta tissue labeled with Anti-VEGFR2 Polyclonal Antibody, Unconjugated (bs-10412R) at 1:200 followed by conjugation to the secondary antibody and DAB staining.
MCF7 cells were fixed with 4% PFA (10min at room temperature)and then permeabilized with 90% ice-cold methanol for 20 min at-20\u2103.The cells were then incubated in 5%BSA to block non-specific protein-protein interactions for 30 min at at room temperature .Cells stained with VEGFR2 Primary Antibody \uff08bs-10412R\uff09 for 30 min at room temperature. The secondary antibody used for 40 min at room temperature. Acquisition of 20,000 events was performed.

Catalog #1: bs-10412r

Applications: ELISA, FCM, IHC-P, IHC-F, IF(IHC-P)

Reactivity: Human

Conjugate: Unconjugated

Catalog #1: bs-10726R-Biotin

Applications: WB, ELISA, IHC-P, IHC-F

Reactivity: Human, Mouse

Conjugate: Biotin