MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202611010234 A) filed by Ashoka Institute Of Technology And Management; Mr. Abhishek Kumar Yadav; Ms. Isha Pandey; Ms. Kajal Mishra; Mr. Mohommad Faiz Ansari; Ms. Shweta Thakur; Dr. Arjun Kumar; Dr. Farhan Ahmad; and Dr. Sarika Shrivastava, Varanasi, Uttar Pradesh, on Jan. 31, for 'an eco-friendly process for biosynthesis of silver-iron bimetallic nanoparticles using vachellia nilotica.'
Inventor(s) include Mr. Abhishek Kumar Yadav; Ms. Isha Pandey; Ms. Kajal Mishra; Mr. Mohommad Faiz Ansari; Ms. Shweta Thakur; Dr. Arjun Kumar; Dr. Farhan Ahmad; and Dr. Sarika Shrivastava.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a green, plant-mediated method for biosynthesis of silver-iron (Ag-Fe) bimetallic nanoparticles using an aqueous leaf extract of Vachellia nilotica. The method comprises preparation of a leaf extract by controlled aqueous heating, preparation of silver and iron salt precursor solutions, and a single-step reduction reaction wherein the plant extract simultaneously reduces and stabilizes silver and iron ions under defined temperature and stirring conditions. The reaction is carried out without the use of external chemical reducing agents, surfactants, or pH modifiers. The synthesized nanoparticles are recovered by centrifugation, washed, and dried. The nanoparticles are characterized using UV-Visible spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy to confirm formation, crystallinity, surface functionalization, and morphology. The biosynthesized Ag-Fe nanoparticles are further evaluated for antimicrobial activity and for application in wastewater treatment, including contaminant interaction and magnetic recoverability."
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