MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202641107287 A) filed by Chettinad Academy Of Research And Education on September 07, 2026, for Method Of Preparation Of Plant Extracts Modified Green Synthesis Of Cuo Nanoparticles And Uses Thereof.
Inventors include Ankush Chauhan; Garima Rana; Priya Chaudhary; Vivek Kumar Dhiman; and Rajasekaran Subbarayan.
The application for the patent was published on September 11, 2026, under issue no. 37/2026.
Abstract: The present invention relates to plant-mediated green synthesis of copper oxide (CuO) nanoparticles using a methanolic extract of Juglans regia L. roots. Cupric nitrate trihydrate is used as a copper precursor and Tween 80 as a surfactant component. The root extract is introduced into the heated precursor mixture, followed by controlled stirring, solvent evaporation, calcination, and grinding to obtain monoclinic CuO nanoparticles. The resulting nanoparticles exhibit a representative mean crystallite size of approximately 16.22 nm and surface-associated plant-derived capping characteristics. The CuO nanoparticles demonstrate visible-light photocatalytic degradation of methylene blue, antibacterial activity against representative Gram-positive and Gram-negative bacterial strains, and a differential in vitro cytotoxic response between SH-SY5Y and 3T3-L1 cells. The disclosed synthesis thereby provides multifunctional plant-mediated CuO nanoparticles for environmental- remediation, antibacterial, and further biomedical investigations.
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