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    • Home
    • About Us
    • Our Team
    • Our Services
      • Services Summary
      • Scientific R&D Consulting
      • Contract Research
      • Standard Tests
      • Additional Services
    • Communications
    • Contact Us
  • Home
  • About Us
  • Our Team
  • Our Services
    • Services Summary
    • Scientific R&D Consulting
    • Contract Research
    • Standard Tests
    • Additional Services
  • Communications
  • Contact Us
Centaur Science

Your complete R&D department for hire

Your complete R&D department for hireYour complete R&D department for hireYour complete R&D department for hireYour complete R&D department for hire

Standard Tests

Antimicrobial, Antiviral & Efficacy Testing

Antimicrobial, Antiviral & Efficacy Testing

Antimicrobial, Antiviral & Efficacy Testing

We provide recognized, standards-based testing to validate antimicrobial performance, support product claims, and strengthen technical documentation.

Antimicrobial Susceptibility Testing (AST)

Antimicrobial, Antiviral & Efficacy Testing

Antimicrobial, Antiviral & Efficacy Testing


Broth microdilution assays measuring Minimum Inhibitory Concentrations (MIC) of antimicrobial agents against:

  • Vegetative bacteria
  • Bacterial spores
  • Yeast
  • Molds

Results classify organisms as Sensitive, Intermediate, or Resistant (S/I/R).

Anti-Biofilm Testing

Antimicrobial, Antiviral & Efficacy Testing

Hard Surface Efficacy Testing

Minimum Biofilm Eradication Concentration (MBEC)
Evaluation of antimicrobial performance against biofilms grown on polystyrene pegs. Reporting may be semi-quantitative (turbidity) or quantitative (log CFU reduction).


Biofilm Surface Test Protocol (BSTP)
Assessment of biofilm growth, microbial-induced corrosion, and antibiofilm efficacy of coatings or liquid sanitizers following ASTM E3435.

Hard Surface Efficacy Testing

Textile & Porous Material Testing

Hard Surface Efficacy Testing

Quantitative Carrier Testing (QCT) following ASTM E2111 and ASTM E2197 to determine log CFU reductions achieved by disinfectants, sanitizers, and antimicrobial products.

Textile & Porous Material Testing

Textile & Porous Material Testing

Textile & Porous Material Testing

Evaluation of microbial growth on porous materials treated with biocidal agents compared to untreated controls in accordance with:

  • AATCC TM30
  • AATCC TM100
  • ASTM E3227

Sterilization Efficacy Testing

Textile & Porous Material Testing

Textile & Porous Material Testing

Validation of sterilization methods against appropriate biological indicators, including:

  • Geobacillus stearothermophilus (steam sterilization)
  • Bacillus atrophaeus (ethylene oxide)

Conducted in alignment with ASTM E1766.

Antiviral Testing

Antiviral Testing

Antiviral Testing

Suspension Testing (ASTM E1052)
Quantitative evaluation of virus inactivation in suspension using log reductions in  Tissue Culture Infectious Dose (TCID50).


Hard Surface Testing (ASTM E1053)
Measurement of viral inactivation on hard surfaces using TCID50 log reduction analysis.

Ideal For

Antiviral Testing

Antiviral Testing

  • Disinfectant and sanitizer developers
  • Coating and textile innovators
  • Biomanufacturers
  • QA and product development teams

Request a Testing Quote

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