Comprehensive Materials Testing and Analytical Services at Materials Metric

Materials Metric logo featuring scientific instruments and analytical testing elements, emphasizing quality, compliance & innovation in product analysis.
Menu
Generic selectors
Exact matches only
Search for your required testing or Service
Search for your required testing or Service
Post Type Selectors
page
post

Sterilization & Material Integrity Studies

Sterilization & Material Integrity Studies evaluate how sterilization processes, such as ethylene oxide (EtO), gamma irradiation, e-beam, autoclave/steam, and plasma sterilization affect the structure, chemistry, mechanical performance, biocompatibility, and functionality of materials and medical devices.

These studies are essential for ensuring that materials maintain safety, stability, and performance throughout sterilization, storage, and clinical use. For regulated products, international standards (ISO 10993, ISO 11135, ISO 11137, FDA guidance) often require material integrity verification before submission.

Materials Metric provides comprehensive testing to determine whether sterilization induces:

  • Chemical changes or degradation

  • Loss of mechanical strength

  • Altered surface chemistry or morphology

  • Leachable formation

  • Reduced biocompatibility

  • Functional failure or compromised coating integrity

Our evaluations help de-risk development and ensure readiness for regulatory reviews.

Our customized analyses assess:

  • Chemical Stability

    • Degradation pathways

    • Oxidation, chain scission, crosslinking

    • Residual sterilants (EtO, byproducts)

  • Mechanical Integrity

    • Tensile, compression, modulus changes

    • Fatigue and wear alterations

    • Dimensional stability

  • Surface Chemistry & Morphology

    • SEM/TEM imaging

    • AFM surface topology

    • XPS/XRD for chemical and crystallinity changes

  • Thermal & Structural Behavior

    • DSC and TGA for transition shifts

    • DMA for viscoelastic changes

  • Biocompatibility Impact

    • Cytotoxicity evaluations

    • Irritation/sensitization risk changes

    • Hemocompatibility shifts

  • Functional Performance

    • Coating adhesion and durability

    • Barrier properties, wettability, porosity

    • Drug-release or antimicrobial function (if applicable)

Sterilization & Material Integrity Studies
Sterilization & Material Integrity Studies

Sterilization Modalities We Evaluate

  • We characterize material response to:

    • Gamma irradiation

    • Electron beam (e-beam)

    • Ethylene oxide (EtO)

    • Steam/autoclave sterilization

    • Hydrogen peroxide plasma

    • Dry heat

    • Peracetic acid and other chemical sterilants

    Each method interacts differently with polymers, ceramics, metals, hydrogels, composites, nanomaterials, coatings, and biological scaffolds, making analytical evaluation essential.

Sample Analysis Process

1. Sterilization & Test Planning

  • Select sterilization method
  • Define test endpoints

2. Characterization Post-Sterilization

  • Chemical analysis (FTIR, HPLC, GC-MS)
  • Mechanical testing (tensile, compression, adhesion)
  • Thermal stability (DSC, TGA)
  • Microscopy (SEM/AFM)
  • Biocompatibility or cytotoxicity (optional)

3. Comparative Analysis

  • Pre- vs post-sterilization integrity data

4. Reporting

  • Degradation mapping
  • Suitability assessment
Corroded metal gears used in sterilization and material integrity studies to evaluate the effects of sterilization processes on corrosion, surface degradation, and mechanical reliability

Why Choose Materials Metric

Materials Metric provides the deepest material-integrity insights in the CRO space, combining chemistry, materials science, and biological evaluation.

We offer:
• ISO 9001:2015 governed testing
• Full chemical + mechanical + biological evaluation packages
• Expertise with polymers, elastomers, ceramics, metals, and biomaterials
• Clear data packages for FDA/ISO submissions
• Fast turnaround for time-sensitive launches

We ensure your material remains safe, functional, and compliant, after any sterilization method.

Related services 

To learn more about our Sterilization & Material Integrity Services or other testing needs, please contact us.


Frequently Asked Questions

What are sterilization and material integrity studies?

Sterilization and material integrity studies evaluate how a material or product is affected by a sterilization process, confirming that required properties survive the treatment. They address the fact that sterilization can alter materials chemically, physically, or mechanically. Materials Metric characterizes material integrity before and after defined sterilization exposures.

What do sterilization and material integrity studies measure?

They measure changes in mechanical, physical, chemical, and functional properties after single or repeated sterilization cycles, compared against unsterilized controls. Endpoints are selected from the attributes critical to the product, such as strength, appearance, and composition. The data confirms whether the material remains fit for use after sterilization.

What sample is required for sterilization and material integrity studies?

Provide representative material or finished products in sufficient quantity for pre- and post-sterilization testing, including controls and any repeated-cycle groups. State the intended sterilization method and number of cycles. Final-form, representative articles give the most meaningful integrity data.

Which standards apply to sterilization and material integrity studies?

Sterilization exposures are commonly based on ISO 11135 for ethylene oxide or ISO 11137 for radiation sterilization, with material-property testing using validated or fit-for-purpose methods aligned with ISO and ASTM where applicable. The method set is matched to your product and sterilization route. The basis is documented in the report.
Scroll to Top