Pva-derivatized hydrogel microcapsules for controlled agricultural release
Innovative PVA-derivatized hydrogel microcapsules enable controlled release of pesticides and fungicides in agriculture, using biodegradable, non-toxic materials for sustainable plant protection.
Overview
PVA-derivatized hydrogel microcapsules offer a novel solution for controlled pesticide release in agriculture. These microcapsules encapsulate essential oils or hydrogen peroxide, providing a steady release of active ingredients to protect plants. The biodegradable and non-toxic nature of the materials ensures environmental safety while maintaining effectiveness against pests and fungi.
Technical specifications
Composition:
- Polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), and alginate (A) form the hydrogel matrix.
- Crosslinking with copper ions (Cu+2) for structural stability.
Preparation:
- Conducted at room temperature or slightly above.
- Includes creation of an oil-in-water emulsion with essential oils or hydrogen peroxide.
Control Factors:
- Release rate can be adjusted through crosslinker concentration, capsule diameter, and polymer molecular weight.
Technology readiness level
Currently at TRL 4, this technology has been validated in laboratory settings. Future plans include anti-microbial trials and greenhouse experiments in collaboration with partners in Israel or Germany.
About Bar-Ilan University
Bar-Ilan University is a comprehensive public research university in Israel’s Greater Tel Aviv area, known for coupling fundamental discovery with industry-ready development. Companies engage via shared core laboratories for prototyping, advanced imaging, and materials characterization, and through industry-sponsored research located near the nation’s largest innovation hub. A dedicated technology transfer company manages IP, licensing, and startup formation with streamlined agreements tailored for corporate partners. Research is supported by the Israel Science Foundation, the Israel Innovation Authority, and competitive European programs. Clinical collaboration is enabled through the university’s medical faculty and affiliated hospital partners.
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