Preparation and characterization of baicalin-sanguinarine ion-pair chitosan nanoparticles Preparation and characterization of baicalin-sanguinarine ion-pair chitosan nanoparticles Preparation and characterization of epigallocatechin-3-gallate chitosan nanoparticles Research Progress on Gel Properties of Surimi Products The Contractile Proteins and Calcium Mediated Gelation and Contraction of Pollen Tube Extracts