<![CDATA[This study aims to determine the characteristics of nanochitosansynthesized from chitosan from tiger prawn shells (Panaeus monodon) using sonochemical and ionic gelation methods based on variations in chitosan concentration. The characterization of nanochitosan includedthe degree of distillation using FTIR, particle size using PSA, and morphology testing using SEM. The results showed that the chitosan obtained had a degree of deacylation of 81.23%. The average size of the smallest nanochitosan synthesized using the sonochemical method is 54.44 nm with 0.2% chitosan concentration, while that produced using the ionic gelation method is 39.65 nm with 0.05% chitosan concentration, and there is a pore appearance on the surface. nanochitosan surface. Based on these data, it can be concluded that the ionic gelation method produces a smaller average nanochitosan particle size than the sonochemical method.]]>
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