Subbiah, Ramesh Ramalingam, Prakash Ramasundaram, Subramaniyan Kim, Do Yang Park, Kwideok Ramasamy, Mohan K. Choi, Kyoung Jin 2024-01-20T14:04:30Z 2024-01-20T14:04:30Z 2021-09-04 2012-08-01 0144-8617 https://pubs.kist.re.kr/handle/201004/128988 Hepatitis B virus surface antigen (HBsAg) loaded N,N,N-trimethyl chitosan nanoparticles (N-TMC NPs) were formulated and studied for controlled intranasal delivery. The size and surface properties of the NPs can be tuned by modifying the concentration of N-TMC and found to be 66 +/- 13, 76 +/- 9 nm for 0.25 and 0.5 wt.% respectively. Loading of 380 and 760 ill of HBsAg yielded 143 +/- 33, 259 +/- 47 nm sized spherical N-TMC NPs with highest loading efficiency and capacity of 90-93%, and 96-97% respectively. In vitro drug release analysis ensured 93% cumulative release of HBsAg antigen over prolonged period (43 days). In vivo immunological study was performed using 6-8 weeks old female BALB mice and reveals adjuvants efficiency of NPs for antigen is highly stable and better than standard. Obtained results show that N-TMC NPs can be extensively used in controlled intra nasal delivery to treat various diseases including hepatitis B and allergic rhinitis. (C) 2012 Elsevier Ltd. All rights reserved. English ELSEVIER SCI LTD TRIMETHYL CHITOSAN TMC NANOPARTICLES VACCINE DELIVERY DRUG-DELIVERY CHLORIDE SYSTEM IMMUNIZATION ADJUVANT MCC N,N,N-Trimethyl chitosan nanoparticles for controlled intranasal delivery of HBV surface antigen Article 10.1016/j.carbpol.2012.04.056 1 CARBOHYDRATE POLYMERS, v.89, no.4, pp.1289 - 1297 CARBOHYDRATE POLYMERS 89 4 1289 1297 scie scopus 000305593900040 2-s2.0-84861602931 Chemistry, Applied Chemistry, Organic Polymer Science Chemistry Polymer Science Article TRIMETHYL CHITOSAN TMC NANOPARTICLES VACCINE DELIVERY DRUG-DELIVERY CHLORIDE SYSTEM IMMUNIZATION ADJUVANT MCC Trimethyl chitosan Nanoparticles Controlled intranasal delivery Atomic force microscopy In vivo immunological study