MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202311077426 A) filed by KM Srishti; Oseen Negi; Anamika Gusain; Naresh Kumar; and Prasanta Kumar Hota, Srinagar, Uttarakhand, on Nov. 14, 2023, for 'a indole-based colorimetric sensor and method for detecting copper ion in the water.'
Inventor(s) include KM Srishti; Oseen Negi; Anamika Gusain; Naresh Kumar; and Prasanta Kumar Hota.
The application for the patent was published on June 13, under issue no. 24/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a colorimetric cupric ion sensor based on 2-(thiophen)-1H-indole, which selectively binds to Cu(II) ion over other metal ions. The current sensor can be successfully used to detect copper ions in 2% water-acetonitrile and water samples. The lower limit of detection of sensor for Cu(II) ion is 2M, which is below the range of detection of Cu(II) ion as per world health organization prescribed for Cu(II) ion in drinking water 31M. The sensor also exhibits antioxidant properties against DPPH radical with IC50 value is 27M."
Disclaimer: Curated by HT Syndication.
