Intellectual Property India Publishes Patent Application for Biologically Calibrated Ultraviolet Sterilization Verification System For Real-Time Microbial Log Reduction Assessment

MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202641094101 A) filed by Meenakshi Academy Of Higher Education Research on August 04, 2026, for Biologically Calibrated Ultraviolet Sterilization Verification System For Real-Time Microbial Log Reduction Assessment.

Inventors include Dr. Indu Purushothaman; Dr. N. Arunagirinathan; Dr. C. Valli Nachiyar; Dr. K. S Sridevi Sangeetha; K. Abinandha; and Niveditha Suresh Babu.

The application for the patent was published on August 07, 2026, under issue no. 32/2026.

Abstract: TITLE: BIOLOGICALLY CALIBRATED ULTRAVIOLET STERILIZATION VERIFICATION SYSTEM FOR REAL-TIME MICROBIAL LOG REDUCTION ASSESSMENT APPLICANT: MEENAKSHI ACADEMY OF HIGHER EDUCATION AND RESEARCH ABSTRACT The present invention discloses a biologically calibrated ultraviolet (UV) sterilization verification system configured to assess microbial log reduction by correlating measured ultraviolet exposure with biological response for verification of sterilization efficacy. The system comprises a UV dose sensing unit configured to measure ultraviolet irradiance and exposure duration, a biological calibration unit containing standardized biological carriers, a microbial response indicator assembly configured to produce optical, colorimetric, or electronic responses corresponding to microbial reduction thresholds, a data acquisition circuitry configured to collect ultraviolet, biological, and environmental data, a processing unit comprising a microcontroller and memory configured to correlate biological response signals with validated calibration curves for estimating microbial log reduction, and a display and reporting interface configured to present delivered UV dose, predicted microbial log reduction, sterilization status, and pass/fail criteria. The coordinated operation of the system enables biologically relevant, hardware-based, real-time verification of ultraviolet sterilization efficacy through reliable assessment of microbial inactivation.

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