Other

Ildiko Schriffertne Denyicska

Janos Borbely

Magdolna Bodnar

Reka Melinda Molnar

Tunde Rente

Methods are disclosed for preparing novel biodegradable nanoparticles based on complexation of poly-gamma-glutamic acid (&#x3b3;-PGA) or its cross-linked derivatives with bivalent lead ions. The final products are stable in aqueous media at low pH, neutral and mild alkaline conditions. The size of the complexes depends on the pH, concentrations and the ratios of &#x3b3;-PGA and lead ions The &#x3b3;-PGA nanoparticles made from biodegradable biopolymers with high flocculating and heavy metal binding activity of the present invention may be used for various water treatment applications in aqueous media.

[object Object]

Methods are disclosed for preparing novel biodegradable cross-linked nanoparticles based on covalently cross-linking modifications of hyaluronic acid. The final products of the present invention are stable in aqueous media, and may be used as detergents and as additives for pharmaceutical compositions for drug delivery, DNA carrier system and other applications. The nanoparticles made from the biopolymers of the present invention may also be used in controlled release applications, super-absorbent materials as well as biomaterials like enzyme immobilization.

Growing community of inventors

Debrecen, Hungary

Ildiko Schriffertne Denyicska