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IIT Madras Unveils Low-Cost Chip That Delivers Antibiotic Susceptibility Results in Three Hours

The lab-on-chip uses electrochemical impedance on screen-printed carbon electrodes to enable rapid, low-cost phenotypic testing.

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Overview

  • The research describing the device has been peer reviewed and published in Nature Scientific Reports.
  • Laboratory evaluations differentiated resistant and susceptible strains of E. coli and B. subtilis using ampicillin and tetracycline.
  • The method also worked on urine samples spiked with E. coli, indicating potential for clinical use.
  • Clinical validation is currently underway at the IIT Madras Institute Hospital.
  • The team plans to commercialise the technology through Kaappon Analytics for deployment in smaller clinics and rural healthcare centres.