Certainly! Here's a structured outline for supplementing and improving the product information for the biological product: Interleukin-18 (Human rDNA derived) (WHO Reference Reagent).

---

Product Information for Interleukin-18 (Human rDNA derived) (WHO Reference Reagent)

1. Storage:
- Temperature: Store at -20°C or lower to maintain stability.
- Conditions: Keep the reagent in a dry, dark environment to avoid degradation by moisture and light.
- Shelf Life: Typically stable for 12 months when stored under recommended conditions.
- Handling: Minimize freeze-thaw cycles to preserve integrity. Aliquot into smaller volumes if frequent use is expected.

2. Product Description:
- Source: Recombinant human Interleukin-18 produced using rDNA technology.
- Formulation: Provided in a lyophilized powder for ease of storage and reconstitution.
- Purity: Highly purified to ensure consistent results in experimental applications.
- Concentration: Supplied as a standardized reference concentration as per WHO guidelines.

3. Key Features:
- Biological Activity: Retains full biological activity as validated by WHO standards.
- Quality Assurance: Each batch is rigorously tested for purity, potency, and consistency.
- Standardization: Acts as a WHO Reference Reagent for calibration and comparison in research.
- Versatility: Suitable for a wide range of assays and applications in immunology and cell biology.

4. What's Included:
- Lyophilized Interleukin-18: A vial containing the specified quantity of IL-18 for reconstitution.
- Certificate of Analysis: Documentation of quality control tests and batch-specific information.
- Reconstitution Instructions: Detailed guidelines for preparing the reagent for use.
- Safety Data Sheet (SDS): Information on handling and potential hazards.

5. Applications:
- Research & Development: Utilized in studies of immune response, inflammation, and cancer research.
- Assay Standardization: Provides a reliable standard for ELISA and other immunoassays.
- Cell Culture: Can be used to study cytokine signaling pathways in various cell models.
- Clinical Studies: Facilitates the development of therapeutic strategies targeting IL-18 pathways.

---

This structure provides comprehensive and organized information tailored to various aspects of the product, aiding researchers and users in understanding and utilizing Interleukin-18 effectively.