Potential of Nanoparticles Chitosan for Delivery pcDNA3.1-SB3-HBcAg Lalu Unsunnidhal, Raudatul Jannah, Abdul Haris, Agus Supinganto and Asmarani Kusumawati BIO Web Conf., 41 (2021) 07003 Published online: 22 December 2021 DOI: 10.1051/bioconf/20214107003