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For Research Use Only (RUO)
Product Description
Polyclonal sheep IgG antibody raised against E.coli host cell proteins (HCPs) from BL21 produced by physical disruption. Supplied as an affinity-purified, unconjugated liquid antibody in PBS without preservatives. Intended for research applications including HCP coverage evaluations, Western blot and ELISA. Supplied as 1 mg of antibody. Maintain at 2-8°C for short-term use; store below -65°C for long-term storage. Validity period 12 months.
Technical Specifications
| Parameter | Details |
|---|---|
| Size | 1 mg |
| Species Reactivity | Escherichia coli (E. coli) |
| Host/Isotype | Sheep / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Conjugate | Unconjugate |
| Immunogen | E.coli HCPs (BL21) produced by physical disruption |
| Form | Liquid |
| Purification | Affinity Purified |
| Storage buffer | PBS |
| Contains | No preservatives |
| Applications | HCP Coverage evaluations, Western Blot, ELISA |
| Storage | Maintain at 2-8°C for short-term use; for long-term storage, store below -65°C |
| Validity period | 12 months |
Features
- Broad HCP recognition: Polyclonal antibody generated against whole-cell E.coli BL21 HCP mixture to provide broad host cell protein coverage.
- Affinity purified: Affinity purification improves specificity and reduces background in immunoassays.
- Applications ready: Validated for HCP coverage evaluation workflows and compatible with Western blot and ELISA formats.
- Preservative-free formulation: Supplied in PBS without preservatives for compatibility with downstream assays and conjugation.
Applications
- HCP coverage evaluations
- Western Blot (WB)
- Enzyme-linked immunosorbent assay (ELISA)
- Research use in process development and assay characterization involving E. coli-expressed proteins
Kit Contents
Attention
• For research use only (not intended for diagnostic purposes).
• Maintain at 2-8°C for short-term use; for long-term storage, store below -65°C.
• Avoid repeated freeze–thaw cycles; aliquot as required.
• Verify performance and optimal dilution in your assay system prior to critical experiments.
• Do not use beyond the stated validity period (12 months).
Quality Management & Certifications
Quality System
Download QMSQMS (ISO, GMP)
Download CertificateQuality Advantages
View ReportQuality Control Process
Download ProcessTechnical Resources & Downloads
Frequently Asked Questions (FAQ)
Research Use Only
Research Use Only (RUO) — Not for diagnostic or therapeutic use. – This product is intended for laboratory research purposes only and not for clinical or regulatory diagnostic use.
Not intended for use in USDA or FDA regulated diagnostic testing or official compliance testing.
When can I expect my order to ship?
Most orders are filled and shipped within 2-3 business days from the time they are received.
Our standard shipping usually take 2-5 days.
We also provide express shippping for time-sensitive deliveries.
Email contact@biofargo.com if you have any requirements.

