Monoclonal Antibodies
At Pronewbio, we recognize that a monoclonal antibody is not just a standard reagent; it is the structural foundation of your entire analytical assay. In advanced translational research spanning oncology, neurodegeneration, and complex immunology, cross-reactivity and lot-to-lot variability are unacceptable.
Our comprehensive portfolio of monoclonal antibodies is engineered to target single, highly defined epitopes with exceptional binding affinity (sub-nanomolar Kd values) and absolute specificity. Whether you are conducting multiplexed Flow Cytometry on primary human CD3+ T cells, investigating Beta-amyloid plaques in dense brain organoids, or standardizing pharmacokinetic ELISAs, Pronewbio provides the rigorously validated tools required to secure publication-ready, reproducible data.
Our Monoclonal Antibody Generation Platforms
To meet the diverse demands of preclinical diagnostics and therapeutics, we utilize two distinct, highly optimized production platforms:
- Advanced Hybridoma Technology: We employ optimized immunization protocols across diverse host species (Mouse, Rat, Rabbit) to generate classical hybridomas. These cell lines undergo rigorous single-cell cloning and high-throughput epitope binning to identify the absolute best-performing clones for native protein recognition.
- Sequence-Defined Recombinant Platform: For ultimate reproducibility, we offer a premium tier of recombinant monoclonal antibodies. By sequencing the variable heavy and light chains of benchmark clones and expressing them in high-yield mammalian systems (CHO / HEK293), we eliminate the genetic drift inherent in living hybridomas. This guarantees 100% lot-to-lot consistency for your longitudinal, multi-year preclinical trials.
Strategic Research Applications
Our monoclonal portfolio is stratified into highly specialized disease areas to streamline your reagent selection process:
- Neuroscience & Neurodegeneration: Featuring benchmark clones targeting Alpha-synuclein, Phospho-Tau, and Amyloid Beta. Validated for high-contrast imaging in thick tissue sections and 3D cerebral organoids containing over 1 M cells.
- Immune Checkpoints & Oncology: High-affinity targeting of PD-1, PD-L1, CTLA-4, and CD47. Designed for robust tumor microenvironment profiling and immune cell phenotyping.
- Cell Therapy & Flow Cytometry: Specifically conjugated primary monoclonals (FITC, PE, APC) optimized for the precise gating of rare leukocyte subpopulations and CAR-T cell characterization.
- Viral Pathogenesis: Highly specific neutralizing and detection antibodies for investigating viral envelope glycoproteins and host-cell entry mechanisms.
Technical Specifications and Quality Control
We provide complete transparency regarding our manufacturing and validation processes. Every monoclonal antibody undergoes stringent in-house quality control.
Specification Parameter of Pronewbio Monoclonal Standard
- Purity: >95% determined by reducing and non-reducing SDS-PAGE
- Purification Method: Protein A / Protein G affinity chromatography
- Standard Concentration: 1 mg/mL to 5 mg/mL (Bulk manufacturing available)
- Buffer Formulation: 1 x PBS, pH 7.4 (Carrier-free and preservative-free options standard)
- Endotoxin Level: < 0.1 EU per microgram of protein (Critical for in vivo and organoid use)
- Storage Conditions: Stable at -20°C to -80°C (Avoid repeated freeze-thaw cycles)
Rigorous In-House Validation Protocols
An antibody is only as reliable as the data supporting it. Pronewbio monoclonals are subjected to orthogonal validation strategies to confirm target specificity:
- Knockout / Knockdown Validation: We utilize CRISPR/Cas9 generated target-null cell lines to confirm the absolute absence of non-specific binding.
- Endogenous Target Detection: Antibodies are tested against complex, whole-cell lysates rather than solely relying on overexpressed recombinant proteins.
- Application-Specific Optimization: We provide highly accurate starting dilution ratios for Western Blotting (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), and Flow Cytometry.
Case Study
High-resolution multiplexed immunofluorescence imaging of complex 3D organoid structures demonstrates the exceptional deep tissue penetration and precise target localization achieved using Pronewbio recombinant antibodies. The pristine delineation of distinct epithelial layers and luminal architecture highlights our reagents' capacity to deliver high-contrast, publication-ready spatial biology data with zero background interference.
Custom Conjugation and Formatting Services
To support highly multiplexed spatial biology and flow cytometry panels, Pronewbio offers rapid, custom conjugation services for our entire monoclonal portfolio. We can directly couple your selected clone to our high-stability fluorophores, biotin, or enzymatic reporters (HRP/AP), minimizing steric hindrance and maximizing the signal-to-noise ratio in your downstream assays.