MUMBAI, India, Aug. 22 -- Intellectual Property India has published a patent application (202421009999 A) filed by Gujarat Biotechnology University, Gandhinagar, Gujarat, on Feb. 14, 2024, for 'stable and sensitive calorimetric assay for nitrite quantification in uti.'
Inventor(s) include Kumar Sharma, Tarun; Sharma, Vipasha; and Bloch, Naheed.
The application for the patent was published on Aug. 22, under issue no. 34/2025.
According to the abstract released by the Intellectual Property India: "The present invention discloses a rapid assay designed for the detection of nitrite, which is useful in analysing urinary tract infections (UTIs) and assessing antimicrobial susceptibility. This assay utilizes a poly (acrylamide acrylic acid) matrix incorporating 0.1-0.3% naphthyl ethylenediamine dihydrochloride, 1-3% sulphanilamide, and 4-6% phosphoric acid, enabling the detection of nitrite at specific concentrations. In addition to detecting the infection, the assay also differentiates between antimicrobial resistance and susceptibility to various antibiotics, including ampicillin, ceftriaxone, nitrofurantoin, co-trimoxazole, gentamicin, ciprofloxacin, amikacin, meropenem, polymyxin B, and colistin."
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