Abcam Anti-SARS-CoV-2 Spike RBD antibody [HL1003] - BSA and Azide free, 100µL

The Abcam Anti-SARS-CoV-2 Spike RBD antibody [HL1003] (ab281303) is a rabbit recombinant monoclonal IgG antibody specifically targeting the receptor-binding domain (RBD) of the SARS-CoV-2 Spike protein. This carrier-free (BSA- and azide-free) antibody is optimized for functional, immunocytochemical, and immunoassay applications, making it highly suitable for neutralization studies, assay development, and advanced COVID-19 research.

Produced using recombinant technology, this antibody delivers exceptional batch-to-batch consistency, high specificity, and reproducible performance. It has been functionally validated to inhibit infection of mammalian cells by live SARS-CoV-2, demonstrating its suitability for neutralization and blocking studies.

Key Features

• Recombinant rabbit monoclonal antibody for superior consistency
• Specific for SARS-CoV-2 Spike protein RBD
• BSA- and azide-free (carrier-free) – ideal for functional and conjugation applications
• Validated for neutralization and blocking of live SARS-CoV-2 infection
• High purity via Protein A affinity purification
• Suitable for research, assay development, and functional studies

Applications

Validated for use in:

• Functional Studies (Neutralization / Blocking assays)
• Immunocytochemistry (ICC)
• Sandwich ELISA (sELISA)
• Indirect ELISA (I-ELISA)

This antibody is cited in peer-reviewed literature and has been experimentally validated across multiple assay platforms.

Reactivity

• Species Reactivity: SARS-CoV-2
• Specificity: Spike protein – Receptor Binding Domain (RBD)

Recommended Application Dilutions

Antibody Characteristics

Storage & Handling

• Storage Buffer: PBS, pH 7.4
• Shipping Condition: Blue ice
• Short-term Storage: +4 °C
• Long-term Storage: +4 °C
• Avoid repeated freeze–thaw cycles

Applications & Research Use

• SARS-CoV-2 neutralization assays
• COVID-19 vaccine and therapeutic research
• Viral entry and Spike-ACE2 interaction studies
• Diagnostic assay development
• Immunological and virology research

Research Use Only (RUO). Not for diagnostic or therapeutic use.

The Abcam Anti-SARS-CoV-2 Spike RBD antibody [HL1003] (ab281303) is a highly specific, functionally validated recombinant monoclonal antibody ideal for neutralization, immunocytochemistry, and ELISA-based SARS-CoV-2 research. Its carrier-free formulation and proven blocking capability make it an excellent choice for advanced virology, immunology, and assay development workflows.