TY - JOUR T1 - Synthesis of Chitosan from the Crab Shell with Encapsulation Method AU - Rahmi, Choiri Nur Aulia AU - Husnina, Amalina Nur AU - Trismiarni, Maiza Endang AU - Putri, Mustika Dwi Cahya AU - Sudistya, Diana AU - Julianto, Tatang Shabur AU - , Salmahaminati JO - Journal of Engineering and Applied Sciences VL - 12 IS - 18 SP - 4725 EP - 4729 PY - 2017 DA - 2001/08/19 SN - 1816-949x DO - jeasci.2017.4725.4729 UR - https://makhillpublications.co/view-article.php?doi=jeasci.2017.4725.4729 KW - Chitosan KW -crab shell KW -demineralization KW -deproteination KW -deacetylation KW -nanoparticles AB - Nanotechnology has become one of the most important and interesting fields of physics, chemistry, biology and engineering in recent years. One of the developing nanotechnology developments is nanoparticles. The polymers used to form nanoparticles can be synthetic and natural polymers. One water-soluble polymer that can be used in the manufacture of nanoparticles for the purpose of treatment is chitosan. The availability of crab waste has a huge potential to serve as a raw material for making chitosan. Chitosan is a modification of many chitin compounds present in the outer skin of crustaceae class animals such as shrimp and crabs. This study, aims to synthesize chitosan from crab shells in the form of nanoparticles. The chitin isolation step includes demineralization process with HCl 1 N and deproteination with 3.5% NaOH. Chitin transformation into chitosan through the deacetylation stage with 50% NaOH. The making of nanoparticles is done by addition of TPP solution. The result showed that chitin transformation became chitosan 66.64% with deacetylation degree 76.69% and chitosan particle size 386.3 nm. ER -