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Primary Antibodies


Primary antibodies are immunoglobulins that bind specifically to an antigen of interest. These molecules are produced by immunizing animals (e.g., mice, rabbits) or using recombinant DNA technology to ensure precision in targeting specific proteins, peptides, or biomolecules. Their activity is derived from the unique binding to epitopes on antigens, facilitating molecular detection in diverse applications. ProteoGenix is a leader in providing high-quality primary antibodies, ensuring superior specificity and sensitivity for advanced research.

Primary antibodies recognize and bind antigens through their variable regions, which are tailored to the molecular structure of the target. This specific interaction forms the foundation for various detection methods, including enzymatic, fluorescent, or radioactive labeling via secondary antibodies. The robustness of their binding activity ensures accurate and reproducible results in assays, making them indispensable in life science research and therapeutic development.

In therapeutic development, primary antibodies play a critical role in identifying and validating potential drug targets. They enable:

  • Biomarker Identification: Detecting disease-associated proteins for diagnosis or therapy monitoring.
  • Target Validation: Confirming the biological relevance of targets for therapeutic interventions.
  • Efficacy Monitoring: Tracking the performance of therapeutic agents in preclinical and clinical studies.

Primary antibodies are central to a wide array of life science applications, including:

  • Western Blotting: Detecting specific proteins in complex mixtures.
  • Immunohistochemistry (IHC): Localizing antigens in tissue samples.
  • Flow Cytometry: Analyzing cellular populations by labeling surface or intracellular proteins.
  • ELISA: Quantifying antigen concentrations in biological samples.

ProteoGenix supports researchers with a diverse catalog of validated primary antibodies tailored for these applications.

Ensuring specificity is paramount. The primary antibody must bind exclusively to the target antigen without cross-reacting with other molecules. ProteoGenix offers rigorously validated antibodies to minimize non-specific binding.

High sensitivity is critical for detecting low-abundance targets. Antibodies with strong affinity ensure robust signal generation, even in minimal sample concentrations.

Select antibodies validated for your experimental application. For instance, antibodies for IHC may require formalin-fixed, paraffin-embedded (FFPE) tissue validation, while flow cytometry antibodies should be conjugated for fluorescence detection.

Match the antibody’s reactivity to the species of your sample. ProteoGenix provides detailed datasheets specifying species compatibility for each product.

Choose a host species and isotype compatible with your detection system. For example, if using a goat anti-mouse secondary antibody, a mouse-derived primary antibody is required.

Opt for antibodies from reputable suppliers like ProteoGenix, known for batch-to-batch consistency and stringent quality control measures.

ProteoGenix has over 20 years of experience in antibody development, offering a broad range of products and services tailored to the needs of life science researchers and therapeutic developers. Our primary antibodies are:

  • High-Quality: Produced under ISO-certified conditions to ensure reliability.
  • Customizable: Developed for unique targets upon request.
  • Comprehensive: Validated for various applications, including IHC, ELISA, and Western blotting.

Partnering with ProteoGenix guarantees access to cutting-edge tools that accelerate your research and therapeutic development projects.

10,138 products
  • SDS-PAGE for Anti-CD28 & EGFR Bispecific Antibody

    Anti-CD28 and EGFR Bispecific Antibody

    • PTX27202
    Clonality:
    Monoclonal Antibody
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Anti-B7-H4 & CD3 Bispecific Antibody

    Anti-B7-H4 and CD3 Bispecific Antibody

    • PTX27200
    Clonality:
    Monoclonal Antibody
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • Anti-PD-L1 & VEGF Bispecific Antibody in WB Assay

    Anti-PD-L1 and VEGF Bispecific Antibody

    • PTX27198
    • Validated ELISA WB
    Clonality:
    Monoclonal Antibody
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Anti-Human CD134/TNFRSF4/OX40

    Anti-Human CD134/TNFRSF4/OX40

    • PTX27194
    Clonality:
    Monoclonal Antibody
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Anti-CD3 & TPBG Bispecific Antibody

    Anti-CD3 and TPBG Bispecific Antibody

    • PTX27193
    Clonality:
    Monoclonal Antibody
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Anti-IL-18 & IL-1β Bispecific Antibody

    Anti-IL-18 and IL-1β Bispecific Antibody

    • PTX27190
    Clonality:
    Monoclonal Antibody
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Lotivibart Biosimilar - Research Grade

    Lotivibart Biosimilar - Research Grade

    • PX-TA2415
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Pamlectabart Biosimilar - Research Grade

    Pamlectabart Biosimilar - Research Grade

    • PX-TA2413
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Balekafusp alfa Biosimilar - Research Grade

    Balekafusp alfa Biosimilar - Research Grade

    • PX-TA2412
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Ixotatug Biosimilar - Research Grade

    Ixotatug Biosimilar - Research Grade

    • PX-TA2406
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Imeroprubart Biosimilar - Research Grade

    Imeroprubart Biosimilar - Research Grade

    • PX-TA2405
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, lambda2
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Enzelkitug Biosimilar - Research Grade

    Enzelkitug Biosimilar - Research Grade

    • PX-TA2404
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Imzokitug Biosimilar - Research Grade

    Imzokitug Biosimilar - Research Grade

    • PX-TA2403
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Eltivutabart Biosimilar - Research Grade

    Eltivutabart Biosimilar - Research Grade

    • PX-TA2402
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG4, Kappa
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
  • SDS-PAGE for Adezkibart Biosimilar - Research Grade

    Adezkibart Biosimilar - Research Grade

    • PX-TA2401
    Clonality:
    Monoclonal antibody
    Host species:
    Mammalian cells
    Isotype:
    IgG1, lambda2
    Brand:
    ProteoGenix
    Size:
    100ug, 1MG, 50ug
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