MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641073021 A) filed by Saveetha Institute Of Medical And Technical Sciences on June 12, 2026, for Bio-Derived Carbon-Dot Functionalized Areca Catechu Fibers For Fluorescent Biomedical Materials And Infection-Resistant Medical Devices.
Inventors include Dr. Raja Thandavamoorthy; Dr. Dhanraj Ganapathy; and Deepak Nallaswamy Veeraiyan.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The present invention relates to biomaterials and nanotechnology, and discloses carbon-dot functionalized lignocellulosic fibers derived from Areca catechu for fluorescent biomedical applications and infection-resistant medical devices. The fibers, having a density of about 1.24 g/cm3 , average diameter of 150 f..lm, tensile strength of about 36 MPa, and cdlulose content of around 65%, are utilized as a sustainable substrate. Carbon nanodots with particle sizes ranging from 2-10 nm are uniformly functionalized onto the fiber surface, imparting photoluminescent emission in the range of 420-450 nm. The functionalized fibers exhibit enhanced surface activity, improved biocompatibility, and significant antimicrobial performance, achieving up to 79% inhibition against pathogenic microorganisms including Escherichia coli and Streptococcus mutans. The material is suitable for wound dressings, medical textiles, biosensing platforms, tissue engineering scaffolds, and implantable devices, providing a scalable and eco-friendly approach for advanced biomedical material development.
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