Eco-friendly microencapsulation techniques for controlled pesticide delivery
Introducing three innovative, biodegradable microencapsulation techniques for pesticide delivery: saponin surfactants, plant-based waxes, and natural colloidal armor, designed for environmental safety and precise release control.
Overview
This solution offers a sustainable approach to pesticide delivery through three innovative microencapsulation techniques. These methods utilize natural, biodegradable materials to ensure environmentally friendly and controlled release of pesticides. The approaches include saponin-based condensed-shell encapsulation, temperature-sensitive wax shell formation, and colloidal armor with natural inorganic colloids. These techniques aim to optimize pesticide efficacy while minimizing environmental impact, eliminating microplastics.
Technical specifications
Saponin-based encapsulation:
- Utilizes saponin surfactants for stable pesticide release.
- High surface elasticity for controlled release kinetics.
- Reduces gas permeability, suitable for larger pesticide molecules.
Wax shell formation:
- Employs plant-based waxes or oils for solid shell creation.
- Tailored shell thickness and porosity using temperature gradients.
- Controlled polymorphic phase transitions for effective encapsulation.
Colloidal armor technique:
- Uses natural inorganic colloids modified by surfactants.
- Provides enhanced stability and controlled release mechanisms.
- Cost-effective with use of ultracheap carbonate particles.
Technology readiness level
The current development stage of these techniques is Technology Readiness Level 3 (TRL 3). Initial validation of these eco-friendly microencapsulation methods is underway, with further optimization and testing planned to enhance stability, release profiles, and environmental safety.
About Sofia University
Sofia University "St. Kliment Ohridski" gives corporate R&D teams a foothold into Southeast Europe's most established research base, with formal mechanisms already built for outside partners. Its INSAIT institute, structured as an international AI and computer science center, actively recruits global faculty and runs frontier research that industry can plug into directly. The university's dedicated High-tech Business Center and technology transfer function, developed in partnership with WIPO, EPO, and EUIPO, exist specifically to move research into commercial hands through licensing and IP agreements. Sponsors also gain access through credit-bearing internships, corporate research collaborations, and joint EU consortia, giving multiple structured routes from early contact to a working engagement.
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