Porous composite carriers for sustainable slow-release fertilizers
This solution involves the development of nutrient-loaded alginate- and chitosan-based hydrogel matrices designed for controlled nutrient release. These bio-based materials aim to provide more sustainable and controlled nutrient delivery compared to traditional fertilizers, using simple ionic crosslinking methods.
Overview
The proposed solution focuses on the creation of porous composite carriers using alginate and chitosan hydrogel matrices, which are engineered for sustainable slow-release fertilizer applications. These bio-based materials are designed to offer controlled nutrient release, potentially improving agricultural efficiency by reducing nutrient runoff and minimizing environmental impact. By utilizing renewable materials and mild processing techniques, this technology aligns with sustainable agricultural practices while maintaining compatibility with widely used nutrient sources.
Technical specifications
Key features:
- Utilizes alginate and chitosan hydrogel matrices for nutrient encapsulation
- Prepared through simple ionic crosslinking methods
- Characterized by scanning electron microscopy (SEM) to ensure structural integrity
- Capable of loading common fertilizer nutrients such as urea
- Demonstrates controlled swelling and nutrient release behavior over time
Technology readiness level
The technology is currently at TRL 4, indicating that it has been validated at the bench scale. Further development and validation are required to advance to higher readiness levels and prepare for commercial deployment.
About Hofstra University
Hofstra University is a private, comprehensive university on Long Island that pairs broad academics with applied research and close ties to regional industry. Its integration with Northwell Health through co-located academic programs and clinical sites enables translational studies, access to patient populations, and clinician-scientist collaboration. The Fred DeMatteis School of Engineering and Applied Science runs a structured co-op program placing students with companies across Long Island and New York City, building pipelines for talent and joint problem-solving. Research is supported by competitive federal funding from agencies such as the National Institutes of Health and the National Science Foundation, with a dedicated technology transfer office facilitating IP, licensing, and industry-sponsored agreements.
delivered to your inbox.