Carbohydrate-based polymeric nanotechnologies: Chitosan and chitosan-nitric oxide donor nanoparticles for sustainable agriculture.
Tortella G, Rubilar O, Benavides-Mendoza A, Juarez-Maldonado A, Fernández-Baldo M
Nano Agriculture
Tiny particles made from shrimp shells could soon help the tomatoes in your garden — and the crops that feed you — survive summer droughts and salty soils without extra chemical sprays.
Scientists are exploring nano-sized particles made from chitosan, a natural substance found in shrimp and crab shells, that can carry beneficial compounds straight into plant tissues far more efficiently than traditional sprays. When these particles slowly release a gas called nitric oxide inside a plant, it acts like a built-in calm signal, helping the plant manage water wisely and protect its cells when conditions get hot, dry, or too salty. The big promise is that farmers could grow healthier crops while using fewer synthetic pesticides and fertilizers.
Key Findings
Chitosan nanoparticles enable targeted, controlled release of active compounds in plant systems, improving bioavailability compared to conventional agrochemical application.
Nitric oxide-releasing chitosan nanosystems measurably improve plant water use efficiency and reduce oxidative stress damage under both drought and high-salinity conditions.
Integrating these nanoformulations into farming aligns with circular-economy principles, with the potential to cut reliance on synthetic agrochemicals across crop production systems.
chevron_right Technical Summary
Researchers review how tiny particles made from chitosan — a natural material derived from crustacean shells — can deliver helpful compounds directly to crops. When these particles are loaded with nitric oxide, they act as a stress-relief signal inside plants, improving their ability to survive drought and salty soils while reducing the need for synthetic chemicals.
Abstract Preview
The shift toward sustainable agriculture requires innovative technologies that increase productivity while decreasing environmental impacts. Polymeric nanomaterials, especially chitosan-based nanop...
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